./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68bea22404de40a8a23cbd3a96885493f9a3150c ........................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68bea22404de40a8a23cbd3a96885493f9a3150c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:10:13,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:10:13,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:10:13,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:10:13,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:10:13,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:10:13,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:10:13,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:10:13,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:10:13,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:10:13,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:10:13,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:10:13,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:10:13,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:10:13,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:10:13,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:10:13,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:10:13,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:10:13,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:10:13,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:10:13,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:10:13,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:10:13,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:10:13,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:10:13,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:10:13,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:10:13,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:10:13,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:10:13,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:10:13,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:10:13,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:10:13,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:10:13,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:10:13,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:10:13,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:10:13,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:10:13,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:10:13,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:10:13,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:10:13,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:10:13,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:10:13,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-12-07 16:10:13,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:10:13,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:10:13,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:10:13,291 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:10:13,291 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:10:13,291 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:10:13,292 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:10:13,292 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:10:13,292 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:10:13,292 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:10:13,292 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:10:13,292 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:10:13,293 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:10:13,293 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:10:13,293 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:10:13,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:10:13,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:10:13,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:10:13,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:10:13,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:10:13,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:10:13,295 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:10:13,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:10:13,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:10:13,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:10:13,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:10:13,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:10:13,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:10:13,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:10:13,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:10:13,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:10:13,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:10:13,297 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:10:13,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:10:13,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:10:13,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:10:13,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:10:13,298 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-12-07 16:10:13,298 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan 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(__VERIFIER_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 -> 68bea22404de40a8a23cbd3a96885493f9a3150c [2019-12-07 16:10:13,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:10:13,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:10:13,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:10:13,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:10:13,419 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:10:13,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-12-07 16:10:13,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/data/96f2d8369/ef911e8c157f41e3993ca7a629fc4419/FLAG24e2f04d2 [2019-12-07 16:10:13,929 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:10:13,930 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-12-07 16:10:13,949 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/data/96f2d8369/ef911e8c157f41e3993ca7a629fc4419/FLAG24e2f04d2 [2019-12-07 16:10:13,959 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/data/96f2d8369/ef911e8c157f41e3993ca7a629fc4419 [2019-12-07 16:10:13,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:10:13,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:10:13,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:10:13,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:10:13,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:10:13,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:10:13" (1/1) ... [2019-12-07 16:10:13,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32466ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:13, skipping insertion in model container [2019-12-07 16:10:13,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:10:13" (1/1) ... [2019-12-07 16:10:13,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:10:14,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:10:14,327 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-12-07 16:10:14,327 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-12-07 16:10:14,738 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,768 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,779 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,803 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,814 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,837 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,862 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,862 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,870 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,885 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,887 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,888 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,888 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,888 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,906 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,907 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,925 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,925 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,926 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,929 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 16:10:14,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:10:14,973 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 16:10:14,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@168309b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:14, skipping insertion in model container [2019-12-07 16:10:14,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:10:14,974 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:10:14,976 INFO L168 Benchmark]: Toolchain (without parser) took 1013.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 936.8 MB in the beginning and 1.0 GB in the end (delta: -92.5 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:10:14,976 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:10:14,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1011.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 936.8 MB in the beginning and 1.0 GB in the end (delta: -92.5 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:10:14,978 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1011.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 936.8 MB in the beginning and 1.0 GB in the end (delta: -92.5 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4050]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:10:16,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:10:16,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:10:16,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:10:16,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:10:16,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:10:16,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:10:16,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:10:16,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:10:16,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:10:16,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:10:16,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:10:16,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:10:16,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:10:16,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:10:16,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:10:16,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:10:16,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:10:16,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:10:16,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:10:16,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:10:16,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:10:16,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:10:16,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:10:16,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:10:16,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:10:16,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:10:16,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:10:16,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:10:16,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:10:16,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:10:16,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:10:16,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:10:16,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:10:16,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:10:16,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:10:16,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:10:16,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:10:16,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:10:16,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:10:16,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:10:16,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-12-07 16:10:16,238 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:10:16,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:10:16,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:10:16,240 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:10:16,240 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:10:16,240 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:10:16,240 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:10:16,240 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:10:16,241 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:10:16,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:10:16,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:10:16,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:10:16,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:10:16,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:10:16,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:10:16,243 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:10:16,243 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:10:16,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:10:16,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:10:16,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:10:16,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:10:16,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:10:16,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:10:16,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:10:16,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:10:16,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:10:16,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:10:16,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:10:16,245 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:10:16,245 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:10:16,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:10:16,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:10:16,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:10:16,246 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan 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(__VERIFIER_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 -> 68bea22404de40a8a23cbd3a96885493f9a3150c [2019-12-07 16:10:16,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:10:16,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:10:16,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:10:16,416 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:10:16,417 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:10:16,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-12-07 16:10:16,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/data/e972387b6/965630b1d8344e7ea847abcb51f70332/FLAG0e3e332bb [2019-12-07 16:10:17,018 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:10:17,019 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-12-07 16:10:17,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/data/e972387b6/965630b1d8344e7ea847abcb51f70332/FLAG0e3e332bb [2019-12-07 16:10:17,487 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/data/e972387b6/965630b1d8344e7ea847abcb51f70332 [2019-12-07 16:10:17,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:10:17,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:10:17,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:10:17,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:10:17,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:10:17,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:10:17" (1/1) ... [2019-12-07 16:10:17,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ed55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:17, skipping insertion in model container [2019-12-07 16:10:17,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:10:17" (1/1) ... [2019-12-07 16:10:17,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:10:17,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:10:17,833 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-12-07 16:10:17,834 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-12-07 16:10:18,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:10:18,422 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:10:18,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:10:18,497 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-12-07 16:10:18,497 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-12-07 16:10:18,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:10:18,595 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:10:18,647 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-12-07 16:10:18,647 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-12-07 16:10:18,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:10:18,859 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:10:18,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18 WrapperNode [2019-12-07 16:10:18,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:10:18,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:10:18,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:10:18,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:10:18,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18" (1/1) ... [2019-12-07 16:10:18,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18" (1/1) ... [2019-12-07 16:10:18,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:10:18,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:10:18,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:10:18,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:10:18,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18" (1/1) ... [2019-12-07 16:10:18,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18" (1/1) ... [2019-12-07 16:10:19,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18" (1/1) ... [2019-12-07 16:10:19,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18" (1/1) ... [2019-12-07 16:10:19,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18" (1/1) ... [2019-12-07 16:10:19,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18" (1/1) ... [2019-12-07 16:10:19,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18" (1/1) ... [2019-12-07 16:10:19,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:10:19,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:10:19,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:10:19,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:10:19,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:10:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 16:10:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 16:10:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 16:10:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 16:10:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-12-07 16:10:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 16:10:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 16:10:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:10:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 16:10:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 16:10:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 16:10:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:10:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 16:10:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 16:10:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:10:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 16:10:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:10:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:10:29,856 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:10:29,856 INFO L287 CfgBuilder]: Removed 517 assume(true) statements. [2019-12-07 16:10:29,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:10:29 BoogieIcfgContainer [2019-12-07 16:10:29,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:10:29,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:10:29,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:10:29,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:10:29,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:10:17" (1/3) ... [2019-12-07 16:10:29,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5782f49e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:10:29, skipping insertion in model container [2019-12-07 16:10:29,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:10:18" (2/3) ... [2019-12-07 16:10:29,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5782f49e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:10:29, skipping insertion in model container [2019-12-07 16:10:29,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:10:29" (3/3) ... [2019-12-07 16:10:29,863 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-12-07 16:10:29,869 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:10:29,874 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-07 16:10:29,881 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-07 16:10:29,900 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:10:29,900 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:10:29,900 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:10:29,900 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:10:29,900 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:10:29,900 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:10:29,900 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:10:29,901 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:10:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states. [2019-12-07 16:10:29,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 16:10:29,926 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:10:29,927 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 16:10:29,928 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:10:29,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:10:29,933 INFO L82 PathProgramCache]: Analyzing trace with hash -927279635, now seen corresponding path program 1 times [2019-12-07 16:10:29,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:10:29,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032538896] [2019-12-07 16:10:29,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 16:10:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:10:30,571 INFO L264 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:10:30,578 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:10:30,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:10:30,600 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:10:30,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:10:30,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032538896] [2019-12-07 16:10:30,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:10:30,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 16:10:30,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259270151] [2019-12-07 16:10:30,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:10:30,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:10:30,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:10:30,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:10:30,624 INFO L87 Difference]: Start difference. First operand 552 states. Second operand 3 states. [2019-12-07 16:10:30,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:10:30,975 INFO L93 Difference]: Finished difference Result 1533 states and 2190 transitions. [2019-12-07 16:10:30,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:10:30,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-12-07 16:10:30,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:10:30,996 INFO L225 Difference]: With dead ends: 1533 [2019-12-07 16:10:30,996 INFO L226 Difference]: Without dead ends: 964 [2019-12-07 16:10:31,001 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:10:31,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2019-12-07 16:10:31,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 960. [2019-12-07 16:10:31,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 960 states. [2019-12-07 16:10:31,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1360 transitions. [2019-12-07 16:10:31,084 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1360 transitions. Word has length 30 [2019-12-07 16:10:31,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:10:31,084 INFO L462 AbstractCegarLoop]: Abstraction has 960 states and 1360 transitions. [2019-12-07 16:10:31,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:10:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1360 transitions. [2019-12-07 16:10:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-07 16:10:31,088 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:10:31,088 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 16:10:31,289 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:10:31,290 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:10:31,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:10:31,290 INFO L82 PathProgramCache]: Analyzing trace with hash 766727501, now seen corresponding path program 1 times [2019-12-07 16:10:31,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:10:31,291 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809448841] [2019-12-07 16:10:31,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 16:10:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:10:31,840 INFO L264 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:10:31,843 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:10:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:10:31,852 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:10:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:10:31,858 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809448841] [2019-12-07 16:10:31,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:10:31,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 16:10:31,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636289662] [2019-12-07 16:10:31,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:10:31,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:10:31,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:10:31,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:10:31,861 INFO L87 Difference]: Start difference. First operand 960 states and 1360 transitions. Second operand 3 states. [2019-12-07 16:10:32,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:10:32,273 INFO L93 Difference]: Finished difference Result 2206 states and 3124 transitions. [2019-12-07 16:10:32,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:10:32,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-12-07 16:10:32,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:10:32,281 INFO L225 Difference]: With dead ends: 2206 [2019-12-07 16:10:32,282 INFO L226 Difference]: Without dead ends: 1258 [2019-12-07 16:10:32,284 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:10:32,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2019-12-07 16:10:32,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1250. [2019-12-07 16:10:32,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2019-12-07 16:10:32,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1770 transitions. [2019-12-07 16:10:32,356 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1770 transitions. Word has length 40 [2019-12-07 16:10:32,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:10:32,356 INFO L462 AbstractCegarLoop]: Abstraction has 1250 states and 1770 transitions. [2019-12-07 16:10:32,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:10:32,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1770 transitions. [2019-12-07 16:10:32,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-07 16:10:32,359 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:10:32,359 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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] [2019-12-07 16:10:32,559 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:10:32,560 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:10:32,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:10:32,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1247377504, now seen corresponding path program 1 times [2019-12-07 16:10:32,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:10:32,561 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641018148] [2019-12-07 16:10:32,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 16:10:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:10:33,145 INFO L264 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:10:33,148 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:10:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 16:10:33,177 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:10:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 16:10:33,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641018148] [2019-12-07 16:10:33,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:10:33,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 16:10:33,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053606716] [2019-12-07 16:10:33,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:10:33,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:10:33,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:10:33,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:10:33,231 INFO L87 Difference]: Start difference. First operand 1250 states and 1770 transitions. Second operand 8 states. [2019-12-07 16:10:33,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:10:33,650 INFO L93 Difference]: Finished difference Result 9328 states and 13248 transitions. [2019-12-07 16:10:33,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:10:33,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2019-12-07 16:10:33,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:10:33,682 INFO L225 Difference]: With dead ends: 9328 [2019-12-07 16:10:33,682 INFO L226 Difference]: Without dead ends: 8090 [2019-12-07 16:10:33,686 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-12-07 16:10:33,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8090 states. [2019-12-07 16:10:33,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8090 to 1258. [2019-12-07 16:10:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1258 states. [2019-12-07 16:10:33,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1778 transitions. [2019-12-07 16:10:33,763 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1778 transitions. Word has length 48 [2019-12-07 16:10:33,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:10:33,763 INFO L462 AbstractCegarLoop]: Abstraction has 1258 states and 1778 transitions. [2019-12-07 16:10:33,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:10:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1778 transitions. [2019-12-07 16:10:33,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-07 16:10:33,765 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:10:33,765 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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] [2019-12-07 16:10:33,966 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:10:33,966 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:10:33,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:10:33,966 INFO L82 PathProgramCache]: Analyzing trace with hash -567319134, now seen corresponding path program 1 times [2019-12-07 16:10:33,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:10:33,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974004837] [2019-12-07 16:10:33,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 16:10:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:10:34,535 INFO L264 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:10:34,537 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:10:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 16:10:34,546 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:10:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 16:10:34,551 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974004837] [2019-12-07 16:10:34,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:10:34,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:10:34,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769822116] [2019-12-07 16:10:34,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:10:34,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:10:34,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:10:34,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:10:34,553 INFO L87 Difference]: Start difference. First operand 1258 states and 1778 transitions. Second operand 3 states. [2019-12-07 16:10:34,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:10:34,631 INFO L93 Difference]: Finished difference Result 1258 states and 1778 transitions. [2019-12-07 16:10:34,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:10:34,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-12-07 16:10:34,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:10:34,637 INFO L225 Difference]: With dead ends: 1258 [2019-12-07 16:10:34,637 INFO L226 Difference]: Without dead ends: 1254 [2019-12-07 16:10:34,637 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:10:34,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2019-12-07 16:10:34,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1254. [2019-12-07 16:10:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2019-12-07 16:10:34,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1772 transitions. [2019-12-07 16:10:34,699 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1772 transitions. Word has length 48 [2019-12-07 16:10:34,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:10:34,699 INFO L462 AbstractCegarLoop]: Abstraction has 1254 states and 1772 transitions. [2019-12-07 16:10:34,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:10:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1772 transitions. [2019-12-07 16:10:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 16:10:34,701 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:10:34,701 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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] [2019-12-07 16:10:34,901 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:10:34,902 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:10:34,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:10:34,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1818149696, now seen corresponding path program 1 times [2019-12-07 16:10:34,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:10:34,903 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382212604] [2019-12-07 16:10:34,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6b3f93c-a77a-470e-9333-2dc0cee9104b/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 16:11:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:11:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:11:51,072 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 16:11:51,072 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:11:51,273 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:11:51,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:11:51 BoogieIcfgContainer [2019-12-07 16:11:51,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:11:51,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:11:51,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:11:51,500 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:11:51,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:10:29" (3/4) ... [2019-12-07 16:11:51,503 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:11:51,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:11:51,505 INFO L168 Benchmark]: Toolchain (without parser) took 94014.63 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 485.5 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 290.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:11:51,505 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:11:51,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1369.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 943.0 MB in the beginning and 911.4 MB in the end (delta: 31.6 MB). Peak memory consumption was 197.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:11:51,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.10 ms. Allocated memory is still 1.2 GB. Free memory was 911.4 MB in the beginning and 891.3 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:11:51,506 INFO L168 Benchmark]: Boogie Preprocessor took 109.65 ms. Allocated memory is still 1.2 GB. Free memory was 891.3 MB in the beginning and 878.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:11:51,506 INFO L168 Benchmark]: RCFGBuilder took 10757.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 878.0 MB in the beginning and 1.1 GB in the end (delta: -244.4 MB). Peak memory consumption was 180.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:11:51,507 INFO L168 Benchmark]: TraceAbstraction took 81641.83 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 143.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -25.2 MB). Peak memory consumption was 117.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:11:51,507 INFO L168 Benchmark]: Witness Printer took 3.12 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:11:51,508 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1369.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 943.0 MB in the beginning and 911.4 MB in the end (delta: 31.6 MB). Peak memory consumption was 197.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 130.10 ms. Allocated memory is still 1.2 GB. Free memory was 911.4 MB in the beginning and 891.3 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.65 ms. Allocated memory is still 1.2 GB. Free memory was 891.3 MB in the beginning and 878.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10757.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 878.0 MB in the beginning and 1.1 GB in the end (delta: -244.4 MB). Peak memory consumption was 180.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 81641.83 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 143.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -25.2 MB). Peak memory consumption was 117.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.12 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3970]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 5866. Possible FailurePath: [L3993] int ldv_irq_1_2 = 0; [L3994] int LDV_IN_INTERRUPT = 1; [L3995] int ldv_irq_1_3 = 0; [L3996] void *ldv_irq_data_1_1 ; [L3997] int ldv_irq_1_1 = 0; [L3998] int ldv_irq_1_0 = 0; [L3999] struct urb *max3421_hcd_desc_group0 ; [L4000] int ldv_irq_line_1_3 ; [L4001] void *ldv_irq_data_1_0 ; [L4002] int ldv_state_variable_0 ; [L4003] struct usb_hcd *max3421_hcd_desc_group1 ; [L4004] int ldv_state_variable_3 ; [L4005] int ldv_irq_line_1_0 ; [L4006] int ldv_state_variable_2 ; [L4007] void *ldv_irq_data_1_3 ; [L4008] struct spi_device *max3421_driver_group0 ; [L4009] int ref_cnt ; [L4010] int ldv_irq_line_1_1 ; [L4011] void *ldv_irq_data_1_2 ; [L4012] int ldv_state_variable_1 ; [L4013] int ldv_irq_line_1_2 ; [L4191] static struct max3421_hcd *max3421_hcd_list ; [L4192-L4196] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5865-L5871] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6010-L6012] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6028] int ldv_retval_0 ; [L6029] int ldv_retval_1 ; [L6032] int ldv_retval_2 ; [L6528] int ldv_spin = 0; VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6177] char *ldvarg7 ; [L6178] void *tmp ; [L6179] u16 ldvarg3 ; [L6180] u16 tmp___0 ; [L6181] u16 ldvarg0 ; [L6182] u16 tmp___1 ; [L6183] gfp_t ldvarg5 ; [L6184] gfp_t ldvarg6 ; [L6185] struct usb_host_endpoint *ldvarg8 ; [L6186] void *tmp___2 ; [L6187] u16 ldvarg1 ; [L6188] u16 tmp___3 ; [L6189] char *ldvarg4 ; [L6190] void *tmp___4 ; [L6191] int ldvarg9 ; [L6192] int tmp___5 ; [L6193] u16 ldvarg2 ; [L6194] u16 tmp___6 ; [L6195] int tmp___7 ; [L6196] int tmp___8 ; [L6197] int tmp___9 ; [L6198] int tmp___10 ; [L3935] void *p ; [L3936] void *tmp ; [L3937] int tmp___0 ; [L3939] tmp___0 = __VERIFIER_nondet_int() [L3940] COND TRUE tmp___0 != 0 [L3941] return ((void *)0); VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6200] tmp = ldv_zalloc(1UL) [L6201] ldvarg7 = (char *)tmp [L6202] tmp___0 = __VERIFIER_nondet_u16() [L6203] ldvarg3 = tmp___0 [L6204] tmp___1 = __VERIFIER_nondet_u16() [L6205] ldvarg0 = tmp___1 [L3935] void *p ; [L3936] void *tmp ; [L3937] int tmp___0 ; [L3939] tmp___0 = __VERIFIER_nondet_int() [L3940] COND TRUE tmp___0 != 0 [L3941] return ((void *)0); VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6206] tmp___2 = ldv_zalloc(72UL) [L6207] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6208] tmp___3 = __VERIFIER_nondet_u16() [L6209] ldvarg1 = tmp___3 [L3935] void *p ; [L3936] void *tmp ; [L3937] int tmp___0 ; [L3939] tmp___0 = __VERIFIER_nondet_int() [L3940] COND TRUE tmp___0 != 0 [L3941] return ((void *)0); VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6210] tmp___4 = ldv_zalloc(1UL) [L6211] ldvarg4 = (char *)tmp___4 [L6212] tmp___5 = __VERIFIER_nondet_int() [L6213] ldvarg9 = tmp___5 [L6214] tmp___6 = __VERIFIER_nondet_u16() [L6215] ldvarg2 = tmp___6 VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6217] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6218] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6219] ldv_state_variable_1 = 1 [L6220] ref_cnt = 0 [L6221] ldv_state_variable_0 = 1 [L6222] ldv_state_variable_3 = 0 [L6223] ldv_state_variable_2 = 0 VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6225] tmp___7 = __VERIFIER_nondet_int() [L6227] case 0: [L6233] case 1: VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6234] COND TRUE ldv_state_variable_0 != 0 [L6235] tmp___8 = __VERIFIER_nondet_int() [L6237] case 0: [L6245] case 1: VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6246] COND TRUE ldv_state_variable_0 == 1 [L6015] int tmp ; [L6674] return __VERIFIER_nondet_int(); [L6017] tmp = spi_register_driver(& max3421_driver) [L6018] return (tmp); VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6247] ldv_retval_0 = max3421_driver_init() [L6248] COND TRUE ldv_retval_0 == 0 [L6249] ldv_state_variable_0 = 3 [L6250] ldv_state_variable_2 = 1 [L6142] void *tmp ; [L3935] void *p ; [L3936] void *tmp ; [L3937] int tmp___0 ; [L3939] tmp___0 = __VERIFIER_nondet_int() [L3940] COND TRUE tmp___0 != 0 [L3941] return ((void *)0); VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6144] tmp = ldv_zalloc(1496UL) [L6145] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6252] ldv_state_variable_3 = 1 [L6105] void *tmp ; [L6106] void *tmp___0 ; [L3935] void *p ; [L3936] void *tmp ; [L3937] int tmp___0 ; [L3939] tmp___0 = __VERIFIER_nondet_int() [L3940] COND TRUE tmp___0 != 0 [L3941] return ((void *)0); VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6108] tmp = ldv_zalloc(192UL) [L6109] max3421_hcd_desc_group0 = (struct urb *)tmp [L3935] void *p ; [L3936] void *tmp ; [L3937] int tmp___0 ; [L3939] tmp___0 = __VERIFIER_nondet_int() [L3940] COND TRUE tmp___0 != 0 [L3941] return ((void *)0); VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6110] tmp___0 = ldv_zalloc(968UL) [L6111] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6256] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6225] tmp___7 = __VERIFIER_nondet_int() [L6227] case 0: [L6233] case 1: [L6271] case 2: VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6272] COND TRUE ldv_state_variable_3 != 0 [L6273] tmp___9 = __VERIFIER_nondet_int() [L6275] case 0: [L6286] case 1: [L6298] case 2: [L6310] case 3: [L6322] case 4: [L6334] case 5: [L6346] case 6: [L6358] case 7: [L6370] case 8: [L6378] case 9: [L6390] case 10: VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6391] COND TRUE ldv_state_variable_3 == 1 [L5518] struct spi_device *spi ; [L5519] struct spi_device *tmp ; [L5520] struct max3421_hcd *max3421_hcd ; [L5521] struct max3421_hcd *tmp___0 ; [L5522] struct max3421_ep *max3421_ep ; [L5523] unsigned long flags ; [L5524] int retval ; [L5525] void *tmp___1 ; [L5527] EXPR hcd->self.controller [L4045] struct device const *__mptr ; [L4046] struct spi_device *tmp ; VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L4048] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4049] __mptr = (struct device const *)dev [L4050] tmp = (struct spi_device *)__mptr VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L4054] return (tmp); VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L5527] tmp = to_spi_device(hcd->self.controller) [L5528] spi = tmp [L4206] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L5529] tmp___0 = hcd_to_max3421(hcd) [L5530] max3421_hcd = tmp___0 [L5531] urb->pipe [L5532] case 1U: VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L5533] case 0U: VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L5540] default: VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L6565] ldv_spin = 1 VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L5545] EXPR urb->ep [L5545] EXPR (urb->ep)->hcpriv [L5545] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5546] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L6532] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] [L3970] __VERIFIER_error() VAL [__this_module={0:536870912}, hrsl_to_error={-773930815:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1879061499:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1945010733:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={1276214737:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 552 locations, 4 error locations. Result: UNSAFE, OverallTime: 81.3s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4480 SDtfs, 6723 SDslu, 9928 SDs, 0 SdLazy, 148 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1258occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 6844 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 50.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 324 ConstructedInterpolants, 0 QuantifiedInterpolants, 25235 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2977 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...