./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e08c7abd7036b355ca3bf6867bde70f508f01ffc ................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e08c7abd7036b355ca3bf6867bde70f508f01ffc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 20:22:38,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 20:22:38,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 20:22:38,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 20:22:38,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 20:22:38,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 20:22:38,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 20:22:38,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 20:22:38,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 20:22:38,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 20:22:38,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 20:22:38,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 20:22:38,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 20:22:38,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 20:22:38,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 20:22:38,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 20:22:38,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 20:22:38,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 20:22:38,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 20:22:38,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 20:22:38,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 20:22:38,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 20:22:38,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 20:22:38,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 20:22:38,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 20:22:38,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 20:22:38,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 20:22:38,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 20:22:38,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 20:22:38,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 20:22:38,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 20:22:38,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 20:22:38,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 20:22:38,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 20:22:38,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 20:22:38,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 20:22:38,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 20:22:38,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 20:22:38,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 20:22:38,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 20:22:38,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 20:22:38,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-12-09 20:22:38,457 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 20:22:38,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 20:22:38,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 20:22:38,458 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 20:22:38,458 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 20:22:38,458 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 20:22:38,458 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 20:22:38,459 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 20:22:38,459 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 20:22:38,459 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 20:22:38,459 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 20:22:38,459 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 20:22:38,459 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 20:22:38,459 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 20:22:38,460 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 20:22:38,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 20:22:38,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 20:22:38,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 20:22:38,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 20:22:38,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 20:22:38,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 20:22:38,461 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 20:22:38,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 20:22:38,461 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 20:22:38,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 20:22:38,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 20:22:38,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 20:22:38,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:22:38,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 20:22:38,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 20:22:38,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 20:22:38,462 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 20:22:38,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 20:22:38,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 20:22:38,463 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 20:22:38,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 20:22:38,463 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e08c7abd7036b355ca3bf6867bde70f508f01ffc [2020-12-09 20:22:38,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 20:22:38,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 20:22:38,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 20:22:38,668 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 20:22:38,669 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 20:22:38,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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 [2020-12-09 20:22:38,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/data/ab2ee74fc/187dca8f6693443eb0be590ae05e37d5/FLAGe09be74b9 [2020-12-09 20:22:39,246 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 20:22:39,247 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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 [2020-12-09 20:22:39,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/data/ab2ee74fc/187dca8f6693443eb0be590ae05e37d5/FLAGe09be74b9 [2020-12-09 20:22:39,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/data/ab2ee74fc/187dca8f6693443eb0be590ae05e37d5 [2020-12-09 20:22:39,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 20:22:39,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 20:22:39,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 20:22:39,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 20:22:39,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 20:22:39,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:22:39" (1/1) ... [2020-12-09 20:22:39,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e50aa4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:39, skipping insertion in model container [2020-12-09 20:22:39,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:22:39" (1/1) ... [2020-12-09 20:22:39,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 20:22:39,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:22:40,177 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2020-12-09 20:22:40,177 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2020-12-09 20:22:40,319 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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[111905,111918] [2020-12-09 20:22:40,514 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,544 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,552 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,570 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,579 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,599 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,621 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,622 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,629 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,645 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,647 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,647 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,648 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,648 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,665 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,665 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,682 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,682 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,683 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,687 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 20:22:40,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:22:40,724 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) [2020-12-09 20:22:40,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5860a811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:40, skipping insertion in model container [2020-12-09 20:22:40,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 20:22:40,724 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 20:22:40,726 INFO L168 Benchmark]: Toolchain (without parser) took 975.31 ms. Allocated memory is still 109.1 MB. Free memory was 64.2 MB in the beginning and 59.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-12-09 20:22:40,726 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 109.1 MB. Free memory is still 88.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:22:40,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 973.13 ms. Allocated memory is still 109.1 MB. Free memory was 64.0 MB in the beginning and 59.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-12-09 20:22:40,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 109.1 MB. Free memory is still 88.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 973.13 ms. Allocated memory is still 109.1 MB. Free memory was 64.0 MB in the beginning and 59.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4067]: 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 0.2.0-7b2dab5 [2020-12-09 20:22:42,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 20:22:42,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 20:22:42,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 20:22:42,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 20:22:42,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 20:22:42,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 20:22:42,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 20:22:42,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 20:22:42,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 20:22:42,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 20:22:42,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 20:22:42,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 20:22:42,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 20:22:42,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 20:22:42,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 20:22:42,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 20:22:42,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 20:22:42,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 20:22:42,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 20:22:42,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 20:22:42,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 20:22:42,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 20:22:42,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 20:22:42,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 20:22:42,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 20:22:42,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 20:22:42,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 20:22:42,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 20:22:42,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 20:22:42,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 20:22:42,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 20:22:42,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 20:22:42,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 20:22:42,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 20:22:42,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 20:22:42,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 20:22:42,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 20:22:42,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 20:22:42,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 20:22:42,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 20:22:42,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-12-09 20:22:42,179 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 20:22:42,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 20:22:42,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 20:22:42,180 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 20:22:42,180 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 20:22:42,180 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 20:22:42,180 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 20:22:42,180 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 20:22:42,181 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 20:22:42,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 20:22:42,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 20:22:42,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 20:22:42,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 20:22:42,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 20:22:42,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 20:22:42,182 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 20:22:42,182 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 20:22:42,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 20:22:42,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 20:22:42,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 20:22:42,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 20:22:42,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 20:22:42,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 20:22:42,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:22:42,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 20:22:42,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 20:22:42,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 20:22:42,183 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 20:22:42,184 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 20:22:42,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 20:22:42,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 20:22:42,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 20:22:42,184 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e08c7abd7036b355ca3bf6867bde70f508f01ffc [2020-12-09 20:22:42,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 20:22:42,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 20:22:42,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 20:22:42,451 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 20:22:42,452 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 20:22:42,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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 [2020-12-09 20:22:42,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/data/5026c3844/095406540eff4bfc8e5012457be0796f/FLAG8c513a28c [2020-12-09 20:22:43,030 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 20:22:43,030 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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 [2020-12-09 20:22:43,053 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/data/5026c3844/095406540eff4bfc8e5012457be0796f/FLAG8c513a28c [2020-12-09 20:22:43,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/data/5026c3844/095406540eff4bfc8e5012457be0796f [2020-12-09 20:22:43,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 20:22:43,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 20:22:43,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 20:22:43,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 20:22:43,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 20:22:43,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:22:43" (1/1) ... [2020-12-09 20:22:43,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53977899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:43, skipping insertion in model container [2020-12-09 20:22:43,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:22:43" (1/1) ... [2020-12-09 20:22:43,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 20:22:43,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:22:43,861 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2020-12-09 20:22:43,862 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2020-12-09 20:22:44,040 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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[111905,111918] [2020-12-09 20:22:44,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:22:44,471 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 20:22:44,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:22:44,556 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2020-12-09 20:22:44,556 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2020-12-09 20:22:44,564 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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[111905,111918] [2020-12-09 20:22:44,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:22:44,674 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 20:22:44,755 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2020-12-09 20:22:44,755 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2020-12-09 20:22:44,763 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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[111905,111918] [2020-12-09 20:22:44,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:22:45,023 INFO L208 MainTranslator]: Completed translation [2020-12-09 20:22:45,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45 WrapperNode [2020-12-09 20:22:45,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 20:22:45,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 20:22:45,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 20:22:45,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 20:22:45,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45" (1/1) ... [2020-12-09 20:22:45,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45" (1/1) ... [2020-12-09 20:22:45,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 20:22:45,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 20:22:45,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 20:22:45,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 20:22:45,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45" (1/1) ... [2020-12-09 20:22:45,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45" (1/1) ... [2020-12-09 20:22:45,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45" (1/1) ... [2020-12-09 20:22:45,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45" (1/1) ... [2020-12-09 20:22:45,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45" (1/1) ... [2020-12-09 20:22:45,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45" (1/1) ... [2020-12-09 20:22:45,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45" (1/1) ... [2020-12-09 20:22:45,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 20:22:45,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 20:22:45,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 20:22:45,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 20:22:45,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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 [2020-12-09 20:22:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-12-09 20:22:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-12-09 20:22:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 20:22:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-12-09 20:22:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2020-12-09 20:22:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 20:22:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-09 20:22:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 20:22:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-09 20:22:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-12-09 20:22:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-12-09 20:22:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 20:22:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 20:22:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 20:22:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 20:22:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-09 20:22:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 20:22:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 20:22:56,634 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 20:22:56,634 INFO L299 CfgBuilder]: Removed 589 assume(true) statements. [2020-12-09 20:22:56,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:22:56 BoogieIcfgContainer [2020-12-09 20:22:56,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 20:22:56,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 20:22:56,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 20:22:56,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 20:22:56,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:22:43" (1/3) ... [2020-12-09 20:22:56,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a9d003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:22:56, skipping insertion in model container [2020-12-09 20:22:56,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:22:45" (2/3) ... [2020-12-09 20:22:56,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a9d003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:22:56, skipping insertion in model container [2020-12-09 20:22:56,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:22:56" (3/3) ... [2020-12-09 20:22:56,642 INFO L111 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 [2020-12-09 20:22:56,654 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 20:22:56,658 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-09 20:22:56,665 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-09 20:22:56,684 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 20:22:56,684 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 20:22:56,684 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 20:22:56,685 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 20:22:56,685 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 20:22:56,685 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 20:22:56,685 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 20:22:56,685 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 20:22:56,702 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states. [2020-12-09 20:22:56,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-09 20:22:56,712 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:22:56,712 INFO L422 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] [2020-12-09 20:22:56,713 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:22:56,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:22:56,717 INFO L82 PathProgramCache]: Analyzing trace with hash -345089639, now seen corresponding path program 1 times [2020-12-09 20:22:56,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:22:56,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991608037] [2020-12-09 20:22:56,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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 [2020-12-09 20:22:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:22:57,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:22:57,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:22:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:22:57,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:22:57,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991608037] [2020-12-09 20:22:57,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:22:57,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:22:57,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604914866] [2020-12-09 20:22:57,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:22:57,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:22:57,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:22:57,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:22:57,536 INFO L87 Difference]: Start difference. First operand 606 states. Second operand 3 states. [2020-12-09 20:22:57,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:22:57,686 INFO L93 Difference]: Finished difference Result 1648 states and 2342 transitions. [2020-12-09 20:22:57,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:22:57,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-12-09 20:22:57,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:22:57,703 INFO L225 Difference]: With dead ends: 1648 [2020-12-09 20:22:57,703 INFO L226 Difference]: Without dead ends: 1018 [2020-12-09 20:22:57,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:22:57,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2020-12-09 20:22:57,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 1014. [2020-12-09 20:22:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1014 states. [2020-12-09 20:22:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1414 transitions. [2020-12-09 20:22:57,775 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1414 transitions. Word has length 30 [2020-12-09 20:22:57,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:22:57,775 INFO L481 AbstractCegarLoop]: Abstraction has 1014 states and 1414 transitions. [2020-12-09 20:22:57,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:22:57,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1414 transitions. [2020-12-09 20:22:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-09 20:22:57,779 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:22:57,779 INFO L422 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] [2020-12-09 20:22:57,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 20:22:57,982 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:22:57,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:22:57,984 INFO L82 PathProgramCache]: Analyzing trace with hash -501809799, now seen corresponding path program 1 times [2020-12-09 20:22:57,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:22:57,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560178401] [2020-12-09 20:22:57,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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 [2020-12-09 20:22:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:22:58,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:22:58,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:22:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:22:58,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:22:58,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560178401] [2020-12-09 20:22:58,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:22:58,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:22:58,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612382331] [2020-12-09 20:22:58,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:22:58,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:22:58,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:22:58,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:22:58,789 INFO L87 Difference]: Start difference. First operand 1014 states and 1414 transitions. Second operand 3 states. [2020-12-09 20:22:59,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:22:59,015 INFO L93 Difference]: Finished difference Result 2320 states and 3238 transitions. [2020-12-09 20:22:59,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:22:59,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-12-09 20:22:59,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:22:59,021 INFO L225 Difference]: With dead ends: 2320 [2020-12-09 20:22:59,021 INFO L226 Difference]: Without dead ends: 1336 [2020-12-09 20:22:59,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:22:59,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2020-12-09 20:22:59,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1322. [2020-12-09 20:22:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1322 states. [2020-12-09 20:22:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1842 transitions. [2020-12-09 20:22:59,057 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1842 transitions. Word has length 40 [2020-12-09 20:22:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:22:59,057 INFO L481 AbstractCegarLoop]: Abstraction has 1322 states and 1842 transitions. [2020-12-09 20:22:59,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:22:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1842 transitions. [2020-12-09 20:22:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-09 20:22:59,060 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:22:59,060 INFO L422 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] [2020-12-09 20:22:59,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 20:22:59,262 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:22:59,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:22:59,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1114337862, now seen corresponding path program 1 times [2020-12-09 20:22:59,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:22:59,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505783197] [2020-12-09 20:22:59,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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 [2020-12-09 20:22:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:23:00,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 20:23:00,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:23:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 20:23:00,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:23:00,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505783197] [2020-12-09 20:23:00,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:23:00,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 20:23:00,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736916964] [2020-12-09 20:23:00,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 20:23:00,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:23:00,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 20:23:00,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 20:23:00,092 INFO L87 Difference]: Start difference. First operand 1322 states and 1842 transitions. Second operand 5 states. [2020-12-09 20:23:00,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:23:00,442 INFO L93 Difference]: Finished difference Result 7280 states and 10252 transitions. [2020-12-09 20:23:00,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 20:23:00,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-12-09 20:23:00,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:23:00,467 INFO L225 Difference]: With dead ends: 7280 [2020-12-09 20:23:00,468 INFO L226 Difference]: Without dead ends: 5988 [2020-12-09 20:23:00,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 20:23:00,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5988 states. [2020-12-09 20:23:00,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5988 to 1330. [2020-12-09 20:23:00,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-12-09 20:23:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1850 transitions. [2020-12-09 20:23:00,546 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1850 transitions. Word has length 48 [2020-12-09 20:23:00,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:23:00,547 INFO L481 AbstractCegarLoop]: Abstraction has 1330 states and 1850 transitions. [2020-12-09 20:23:00,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 20:23:00,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1850 transitions. [2020-12-09 20:23:00,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-09 20:23:00,549 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:23:00,549 INFO L422 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] [2020-12-09 20:23:00,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 20:23:00,750 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:23:00,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:23:00,750 INFO L82 PathProgramCache]: Analyzing trace with hash -155622078, now seen corresponding path program 1 times [2020-12-09 20:23:00,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:23:00,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410819635] [2020-12-09 20:23:00,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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 [2020-12-09 20:23:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:23:01,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:23:01,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:23:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 20:23:01,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:23:01,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1410819635] [2020-12-09 20:23:01,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:23:01,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:23:01,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682284699] [2020-12-09 20:23:01,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:23:01,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:23:01,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:23:01,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:23:01,484 INFO L87 Difference]: Start difference. First operand 1330 states and 1850 transitions. Second operand 3 states. [2020-12-09 20:23:01,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:23:01,595 INFO L93 Difference]: Finished difference Result 1330 states and 1850 transitions. [2020-12-09 20:23:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:23:01,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-09 20:23:01,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:23:01,601 INFO L225 Difference]: With dead ends: 1330 [2020-12-09 20:23:01,601 INFO L226 Difference]: Without dead ends: 1326 [2020-12-09 20:23:01,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:23:01,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2020-12-09 20:23:01,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1326. [2020-12-09 20:23:01,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2020-12-09 20:23:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1844 transitions. [2020-12-09 20:23:01,640 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1844 transitions. Word has length 54 [2020-12-09 20:23:01,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:23:01,641 INFO L481 AbstractCegarLoop]: Abstraction has 1326 states and 1844 transitions. [2020-12-09 20:23:01,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:23:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1844 transitions. [2020-12-09 20:23:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-09 20:23:01,642 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:23:01,643 INFO L422 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] [2020-12-09 20:23:01,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 20:23:01,843 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:23:01,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:23:01,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1653029978, now seen corresponding path program 1 times [2020-12-09 20:23:01,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:23:01,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54786184] [2020-12-09 20:23:01,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/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 [2020-12-09 20:23:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:23:02,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 20:23:02,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:23:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 20:23:02,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:23:02,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54786184] [2020-12-09 20:23:02,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:23:02,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:23:02,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663264699] [2020-12-09 20:23:02,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:23:02,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:23:02,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:23:02,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:23:02,523 INFO L87 Difference]: Start difference. First operand 1326 states and 1844 transitions. Second operand 3 states. [2020-12-09 20:23:02,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:23:02,667 INFO L93 Difference]: Finished difference Result 3814 states and 5332 transitions. [2020-12-09 20:23:02,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:23:02,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-09 20:23:02,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:23:02,678 INFO L225 Difference]: With dead ends: 3814 [2020-12-09 20:23:02,678 INFO L226 Difference]: Without dead ends: 2518 [2020-12-09 20:23:02,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:23:02,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2020-12-09 20:23:02,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 1330. [2020-12-09 20:23:02,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-12-09 20:23:02,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1844 transitions. [2020-12-09 20:23:02,733 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1844 transitions. Word has length 58 [2020-12-09 20:23:02,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:23:02,734 INFO L481 AbstractCegarLoop]: Abstraction has 1330 states and 1844 transitions. [2020-12-09 20:23:02,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:23:02,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1844 transitions. [2020-12-09 20:23:02,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-09 20:23:02,735 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:23:02,736 INFO L422 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] [2020-12-09 20:23:02,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 20:23:02,937 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:23:02,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:23:02,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1260002968, now seen corresponding path program 1 times [2020-12-09 20:23:02,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:23:02,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832649972] [2020-12-09 20:23:02,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b389e34-490c-47bc-815a-81202fb14834/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-09 20:23:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 20:23:45,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 20:24:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 20:24:22,039 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 20:24:22,669 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 20:24:22,669 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 20:24:22,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 20:24:23,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:24:23 BoogieIcfgContainer [2020-12-09 20:24:23,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 20:24:23,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 20:24:23,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 20:24:23,146 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 20:24:23,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:22:56" (3/4) ... [2020-12-09 20:24:23,149 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 20:24:23,150 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 20:24:23,151 INFO L168 Benchmark]: Toolchain (without parser) took 99665.64 ms. Allocated memory was 52.4 MB in the beginning and 356.5 MB in the end (delta: 304.1 MB). Free memory was 32.0 MB in the beginning and 237.8 MB in the end (delta: -205.8 MB). Peak memory consumption was 97.4 MB. Max. memory is 16.1 GB. [2020-12-09 20:24:23,151 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 52.4 MB. Free memory is still 34.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:24:23,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1538.36 ms. Allocated memory was 52.4 MB in the beginning and 155.2 MB in the end (delta: 102.8 MB). Free memory was 31.8 MB in the beginning and 99.9 MB in the end (delta: -68.0 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. [2020-12-09 20:24:23,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.44 ms. Allocated memory is still 155.2 MB. Free memory was 99.9 MB in the beginning and 83.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 20:24:23,153 INFO L168 Benchmark]: Boogie Preprocessor took 117.22 ms. Allocated memory is still 155.2 MB. Free memory was 83.1 MB in the beginning and 95.0 MB in the end (delta: -12.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2020-12-09 20:24:23,154 INFO L168 Benchmark]: RCFGBuilder took 11349.22 ms. Allocated memory was 155.2 MB in the beginning and 356.5 MB in the end (delta: 201.3 MB). Free memory was 95.0 MB in the beginning and 277.3 MB in the end (delta: -182.2 MB). Peak memory consumption was 177.0 MB. Max. memory is 16.1 GB. [2020-12-09 20:24:23,154 INFO L168 Benchmark]: TraceAbstraction took 86508.27 ms. Allocated memory is still 356.5 MB. Free memory was 277.3 MB in the beginning and 237.8 MB in the end (delta: 39.5 MB). Peak memory consumption was 206.6 MB. Max. memory is 16.1 GB. [2020-12-09 20:24:23,154 INFO L168 Benchmark]: Witness Printer took 3.59 ms. Allocated memory is still 356.5 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:24:23,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 52.4 MB. Free memory is still 34.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1538.36 ms. Allocated memory was 52.4 MB in the beginning and 155.2 MB in the end (delta: 102.8 MB). Free memory was 31.8 MB in the beginning and 99.9 MB in the end (delta: -68.0 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 144.44 ms. Allocated memory is still 155.2 MB. Free memory was 99.9 MB in the beginning and 83.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.22 ms. Allocated memory is still 155.2 MB. Free memory was 83.1 MB in the beginning and 95.0 MB in the end (delta: -12.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11349.22 ms. Allocated memory was 155.2 MB in the beginning and 356.5 MB in the end (delta: 201.3 MB). Free memory was 95.0 MB in the beginning and 277.3 MB in the end (delta: -182.2 MB). Peak memory consumption was 177.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 86508.27 ms. Allocated memory is still 356.5 MB. Free memory was 277.3 MB in the beginning and 237.8 MB in the end (delta: 39.5 MB). Peak memory consumption was 206.6 MB. Max. memory is 16.1 GB. * Witness Printer took 3.59 ms. Allocated memory is still 356.5 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5883. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] 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}; [L6027-L6029] 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}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6032] int tmp ; [L6691] return __VERIFIER_nondet_int(); [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6159] void *tmp ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6269] ldv_state_variable_3 = 1 [L6122] void *tmp ; [L6123] void *tmp___0 ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6408] COND TRUE ldv_state_variable_3 == 1 [L5535] struct spi_device *spi ; [L5536] struct spi_device *tmp ; [L5537] struct max3421_hcd *max3421_hcd ; [L5538] struct max3421_hcd *tmp___0 ; [L5539] struct max3421_ep *max3421_ep ; [L5540] unsigned long flags ; [L5541] int retval ; [L5542] void *tmp___1 ; [L5544] EXPR hcd->self.controller [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L4065] COND FALSE !((unsigned long )dev != (unsigned long )((struct device *)0)) [L4069] tmp = (struct spi_device *)0 VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L4071] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L5544] tmp = to_spi_device(hcd->self.controller) [L5545] spi = tmp [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L5550] case 0U: VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L5557] default: VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L5562] EXPR urb->ep [L5562] EXPR (urb->ep)->hcpriv [L5562] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5563] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] [L3987] reach_error() VAL [__this_module={0:0}, hrsl_to_error={-1610658812:0}, 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={-1811873778:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-2145382389:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1811873777:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 606 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 86.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6254 SDtfs, 4996 SDslu, 8285 SDs, 0 SdLazy, 155 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1330occurred 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, 5 MinimizatonAttempts, 5864 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 44.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 17725 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3804 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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...