./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta --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 64bit --witnessprinter.graph.data.programhash bbef461d577533a33a47975bed502a034d4de7bb4c9545318a29cb7eaac175ad --- 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-dbf71c6-m [2022-10-17 17:15:07,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:15:07,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:15:07,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:15:07,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:15:07,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:15:07,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:15:07,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:15:07,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:15:07,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:15:07,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:15:07,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:15:07,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:15:07,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:15:07,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:15:07,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:15:07,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:15:07,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:15:07,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:15:07,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:15:07,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:15:07,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:15:07,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:15:07,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:15:07,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:15:07,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:15:07,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:15:07,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:15:07,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:15:07,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:15:07,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:15:07,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:15:07,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:15:07,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:15:07,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:15:07,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:15:07,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:15:07,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:15:07,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:15:07,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:15:07,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:15:07,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:15:07,206 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:15:07,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:15:07,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:15:07,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:15:07,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:15:07,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:15:07,208 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:15:07,209 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:15:07,209 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:15:07,209 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:15:07,209 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:15:07,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:15:07,210 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:15:07,210 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:15:07,210 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:15:07,210 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:15:07,210 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:15:07,211 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:15:07,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:15:07,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:15:07,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:15:07,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:15:07,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:15:07,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:15:07,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:15:07,213 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:15:07,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:15:07,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:15:07,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:15:07,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:15:07,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:15:07,214 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:15:07,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:15:07,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:15:07,215 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:15:07,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:15:07,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:15:07,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:15:07,216 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_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbef461d577533a33a47975bed502a034d4de7bb4c9545318a29cb7eaac175ad [2022-10-17 17:15:07,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:15:07,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:15:07,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:15:07,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:15:07,531 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:15:07,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2022-10-17 17:15:07,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/data/605d1cb96/052f8412c0954eee9226de67ee02ef97/FLAGa32974bb7 [2022-10-17 17:15:08,508 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:15:08,509 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2022-10-17 17:15:08,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/data/605d1cb96/052f8412c0954eee9226de67ee02ef97/FLAGa32974bb7 [2022-10-17 17:15:08,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/data/605d1cb96/052f8412c0954eee9226de67ee02ef97 [2022-10-17 17:15:08,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:15:08,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:15:08,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:15:08,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:15:08,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:15:08,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:15:08" (1/1) ... [2022-10-17 17:15:08,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e24c685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:08, skipping insertion in model container [2022-10-17 17:15:08,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:15:08" (1/1) ... [2022-10-17 17:15:08,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:15:09,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:15:11,229 WARN L230 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_3ae560bd-2a71-4b3a-9530-562700c972ee/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[283009,283022] [2022-10-17 17:15:11,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:15:11,457 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:15:12,010 WARN L230 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_3ae560bd-2a71-4b3a-9530-562700c972ee/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[283009,283022] [2022-10-17 17:15:12,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:15:12,159 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:15:12,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12 WrapperNode [2022-10-17 17:15:12,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:15:12,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:15:12,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:15:12,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:15:12,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (1/1) ... [2022-10-17 17:15:12,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (1/1) ... [2022-10-17 17:15:12,674 INFO L138 Inliner]: procedures = 307, calls = 3021, calls flagged for inlining = 108, calls inlined = 104, statements flattened = 7673 [2022-10-17 17:15:12,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:15:12,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:15:12,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:15:12,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:15:12,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (1/1) ... [2022-10-17 17:15:12,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (1/1) ... [2022-10-17 17:15:12,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (1/1) ... [2022-10-17 17:15:12,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (1/1) ... [2022-10-17 17:15:12,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (1/1) ... [2022-10-17 17:15:13,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (1/1) ... [2022-10-17 17:15:13,080 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (1/1) ... [2022-10-17 17:15:13,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (1/1) ... [2022-10-17 17:15:13,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:15:13,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:15:13,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:15:13,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:15:13,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (1/1) ... [2022-10-17 17:15:13,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:15:13,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:15:13,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:15:13,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae560bd-2a71-4b3a-9530-562700c972ee/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:15:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-10-17 17:15:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-10-17 17:15:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2022-10-17 17:15:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2022-10-17 17:15:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2022-10-17 17:15:13,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2022-10-17 17:15:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 17:15:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 17:15:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-17 17:15:13,375 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-17 17:15:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:15:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:15:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:15:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:15:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure scan_periodic [2022-10-17 17:15:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_periodic [2022-10-17 17:15:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:15:13,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:15:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-10-17 17:15:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-10-17 17:15:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:15:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:15:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_create [2022-10-17 17:15:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_create [2022-10-17 17:15:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_readl [2022-10-17 17:15:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_readl [2022-10-17 17:15:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_run [2022-10-17 17:15:13,378 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_run [2022-10-17 17:15:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:15:13,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:15:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2022-10-17 17:15:13,379 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2022-10-17 17:15:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure qh_put [2022-10-17 17:15:13,379 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_put [2022-10-17 17:15:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_irq [2022-10-17 17:15:13,380 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_irq [2022-10-17 17:15:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:15:13,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:15:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure scan_async [2022-10-17 17:15:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_async [2022-10-17 17:15:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-10-17 17:15:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-10-17 17:15:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:15:13,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:15:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2022-10-17 17:15:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2022-10-17 17:15:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_endpoint_disable [2022-10-17 17:15:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_endpoint_disable [2022-10-17 17:15:13,383 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-10-17 17:15:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-10-17 17:15:13,384 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 17:15:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 17:15:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 17:15:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 17:15:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-17 17:15:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-17 17:15:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qtd_free [2022-10-17 17:15:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qtd_free [2022-10-17 17:15:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:15:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 17:15:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 17:15:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-10-17 17:15:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-10-17 17:15:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:15:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-10-17 17:15:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-10-17 17:15:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-17 17:15:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 17:15:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 17:15:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_writel [2022-10-17 17:15:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_writel [2022-10-17 17:15:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:15:13,389 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:15:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_shutdown [2022-10-17 17:15:13,390 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_shutdown [2022-10-17 17:15:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-17 17:15:13,390 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-17 17:15:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_alloc [2022-10-17 17:15:13,390 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_alloc [2022-10-17 17:15:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:15:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:15:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2022-10-17 17:15:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2022-10-17 17:15:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_enqueue [2022-10-17 17:15:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_enqueue [2022-10-17 17:15:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2022-10-17 17:15:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2022-10-17 17:15:13,393 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2022-10-17 17:15:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2022-10-17 17:15:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure intr_deschedule [2022-10-17 17:15:13,394 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_deschedule [2022-10-17 17:15:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_buf_alloc [2022-10-17 17:15:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_buf_alloc [2022-10-17 17:15:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 17:15:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 17:15:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 17:15:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 17:15:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_control [2022-10-17 17:15:13,396 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_control [2022-10-17 17:15:13,396 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-10-17 17:15:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2022-10-17 17:15:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2022-10-17 17:15:13,397 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 17:15:13,397 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 17:15:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-17 17:15:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-17 17:15:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-17 17:15:13,398 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-17 17:15:13,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:15:13,399 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_probe [2022-10-17 17:15:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_probe [2022-10-17 17:15:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 17:15:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 17:15:13,402 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action [2022-10-17 17:15:13,402 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action [2022-10-17 17:15:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 17:15:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 17:15:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:15:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_get_frame [2022-10-17 17:15:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_get_frame [2022-10-17 17:15:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_stop [2022-10-17 17:15:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_stop [2022-10-17 17:15:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-10-17 17:15:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-10-17 17:15:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:15:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 17:15:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 17:15:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:15:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:15:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2022-10-17 17:15:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2022-10-17 17:15:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2022-10-17 17:15:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2022-10-17 17:15:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure __oxu_urb_enqueue [2022-10-17 17:15:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __oxu_urb_enqueue [2022-10-17 17:15:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_remove [2022-10-17 17:15:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_remove [2022-10-17 17:15:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-10-17 17:15:13,414 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-10-17 17:15:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:15:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:15:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 17:15:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 17:15:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:15:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-17 17:15:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-17 17:15:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 17:15:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 17:15:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:15:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:15:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2022-10-17 17:15:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2022-10-17 17:15:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure qh_unlink_periodic [2022-10-17 17:15:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_unlink_periodic [2022-10-17 17:15:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 17:15:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 17:15:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-10-17 17:15:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-10-17 17:15:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:15:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-17 17:15:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-17 17:15:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_async [2022-10-17 17:15:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_async [2022-10-17 17:15:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2022-10-17 17:15:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2022-10-17 17:15:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_to_hcd [2022-10-17 17:15:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_to_hcd [2022-10-17 17:15:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 17:15:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 17:15:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-17 17:15:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-17 17:15:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:15:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qh_alloc [2022-10-17 17:15:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qh_alloc [2022-10-17 17:15:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_suspend [2022-10-17 17:15:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_suspend [2022-10-17 17:15:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2022-10-17 17:15:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2022-10-17 17:15:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-10-17 17:15:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-10-17 17:15:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 17:15:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 17:15:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2022-10-17 17:15:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2022-10-17 17:15:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:15:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_status_data [2022-10-17 17:15:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_status_data [2022-10-17 17:15:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_shutdown [2022-10-17 17:15:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_shutdown [2022-10-17 17:15:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2022-10-17 17:15:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2022-10-17 17:15:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:15:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:15:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure qh_get [2022-10-17 17:15:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_get [2022-10-17 17:15:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 17:15:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 17:15:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2022-10-17 17:15:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2022-10-17 17:15:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action_done [2022-10-17 17:15:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action_done [2022-10-17 17:15:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 17:15:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 17:15:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 17:15:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 17:15:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-10-17 17:15:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-10-17 17:15:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2022-10-17 17:15:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2022-10-17 17:15:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_free [2022-10-17 17:15:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_free [2022-10-17 17:15:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2022-10-17 17:15:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2022-10-17 17:15:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-10-17 17:15:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-10-17 17:15:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-10-17 17:15:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-10-17 17:15:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-17 17:15:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-17 17:15:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2022-10-17 17:15:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2022-10-17 17:15:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 17:15:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 17:15:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2022-10-17 17:15:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2022-10-17 17:15:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-17 17:15:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-17 17:15:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_resume [2022-10-17 17:15:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_resume [2022-10-17 17:15:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_dequeue [2022-10-17 17:15:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_dequeue [2022-10-17 17:15:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 17:15:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 17:15:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-17 17:15:13,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-17 17:15:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 17:15:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 17:15:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 17:15:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 17:15:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2022-10-17 17:15:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2022-10-17 17:15:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_remove [2022-10-17 17:15:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_remove [2022-10-17 17:15:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:15:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2022-10-17 17:15:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2022-10-17 17:15:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_oxu [2022-10-17 17:15:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_oxu [2022-10-17 17:15:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_reset [2022-10-17 17:15:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_reset [2022-10-17 17:15:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:15:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:15:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 17:15:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 17:15:14,595 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:15:14,602 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:15:15,190 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:15:26,835 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:15:32,574 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:15:32,575 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:15:32,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:15:32 BoogieIcfgContainer [2022-10-17 17:15:32,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:15:32,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:15:32,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:15:32,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:15:32,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:15:08" (1/3) ... [2022-10-17 17:15:32,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f79006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:15:32, skipping insertion in model container [2022-10-17 17:15:32,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:15:12" (2/3) ... [2022-10-17 17:15:32,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f79006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:15:32, skipping insertion in model container [2022-10-17 17:15:32,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:15:32" (3/3) ... [2022-10-17 17:15:32,592 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2022-10-17 17:15:32,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:15:32,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:15:32,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:15:32,730 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=FINITE_AUTOMATA, 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;@1a17b395, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:15:32,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:15:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 2222 states, 1386 states have (on average 1.3571428571428572) internal successors, (1881), 1459 states have internal predecessors, (1881), 717 states have call successors, (717), 118 states have call predecessors, (717), 117 states have return successors, (711), 695 states have call predecessors, (711), 711 states have call successors, (711) [2022-10-17 17:15:32,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-10-17 17:15:32,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:15:32,765 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:15:32,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:15:32,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:15:32,771 INFO L85 PathProgramCache]: Analyzing trace with hash 362299097, now seen corresponding path program 1 times [2022-10-17 17:15:32,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:15:32,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562524584] [2022-10-17 17:15:32,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:15:32,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:15:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:15:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-10-17 17:15:34,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:15:34,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562524584] [2022-10-17 17:15:34,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562524584] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:15:34,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:15:34,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:15:34,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146794162] [2022-10-17 17:15:34,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:15:34,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:15:34,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:15:34,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:15:34,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:15:34,076 INFO L87 Difference]: Start difference. First operand has 2222 states, 1386 states have (on average 1.3571428571428572) internal successors, (1881), 1459 states have internal predecessors, (1881), 717 states have call successors, (717), 118 states have call predecessors, (717), 117 states have return successors, (711), 695 states have call predecessors, (711), 711 states have call successors, (711) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-10-17 17:15:36,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []