./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/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_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8 --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 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:13:02,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:13:02,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:13:02,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:13:02,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:13:02,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:13:02,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:13:02,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:13:02,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:13:02,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:13:02,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:13:02,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:13:02,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:13:02,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:13:02,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:13:02,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:13:02,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:13:02,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:13:02,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:13:02,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:13:02,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:13:02,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:13:02,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:13:02,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:13:02,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:13:02,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:13:02,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:13:02,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:13:02,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:13:02,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:13:02,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:13:02,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:13:02,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:13:02,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:13:02,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:13:02,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:13:02,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:13:02,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:13:02,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:13:02,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:13:02,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:13:02,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:13:02,455 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:13:02,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:13:02,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:13:02,459 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:13:02,459 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:13:02,459 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:13:02,460 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:13:02,460 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:13:02,468 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:13:02,469 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:13:02,470 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:13:02,471 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:13:02,471 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:13:02,471 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:13:02,472 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:13:02,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:13:02,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:13:02,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:13:02,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:13:02,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:13:02,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:13:02,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:13:02,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:13:02,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:13:02,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:13:02,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:13:02,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:13:02,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:13:02,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:13:02,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:13:02,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:13:02,479 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:13:02,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:13:02,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:13:02,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:13:02,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:13:02,481 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_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2021-11-07 02:13:02,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:13:02,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:13:02,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:13:02,822 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:13:02,823 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:13:02,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/../../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 [2021-11-07 02:13:02,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/data/27b782dae/1746fbb7d0f841b684db6991c0bfb9c6/FLAG11a4f1f29 [2021-11-07 02:13:04,013 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:13:04,014 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/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 [2021-11-07 02:13:04,073 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/data/27b782dae/1746fbb7d0f841b684db6991c0bfb9c6/FLAG11a4f1f29 [2021-11-07 02:13:04,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/data/27b782dae/1746fbb7d0f841b684db6991c0bfb9c6 [2021-11-07 02:13:04,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:13:04,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:13:04,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:13:04,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:13:04,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:13:04,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:13:04" (1/1) ... [2021-11-07 02:13:04,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ace695d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:04, skipping insertion in model container [2021-11-07 02:13:04,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:13:04" (1/1) ... [2021-11-07 02:13:04,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:13:04,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:13:05,173 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-07 02:13:05,184 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-07 02:13:05,544 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/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] [2021-11-07 02:13:06,089 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,162 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,189 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,221 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,238 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,275 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,332 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,333 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,350 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,389 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,393 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,394 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,398 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,398 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,449 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,450 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,481 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,482 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,483 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,490 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:06,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:13:06,619 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) [2021-11-07 02:13:06,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7458929a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:06, skipping insertion in model container [2021-11-07 02:13:06,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:13:06,623 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:13:06,626 INFO L168 Benchmark]: Toolchain (without parser) took 2170.08 ms. Allocated memory was 86.0 MB in the beginning and 121.6 MB in the end (delta: 35.7 MB). Free memory was 43.1 MB in the beginning and 85.4 MB in the end (delta: -42.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:13:06,628 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:13:06,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2166.27 ms. Allocated memory was 86.0 MB in the beginning and 121.6 MB in the end (delta: 35.7 MB). Free memory was 42.8 MB in the beginning and 85.4 MB in the end (delta: -42.5 MB). Peak memory consumption was 55.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:13:06,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2166.27 ms. Allocated memory was 86.0 MB in the beginning and 121.6 MB in the end (delta: 35.7 MB). Free memory was 42.8 MB in the beginning and 85.4 MB in the end (delta: -42.5 MB). Peak memory consumption was 55.2 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/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_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8 --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 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:13:09,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:13:09,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:13:09,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:13:09,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:13:09,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:13:09,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:13:09,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:13:09,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:13:09,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:13:09,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:13:09,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:13:09,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:13:09,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:13:09,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:13:09,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:13:09,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:13:09,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:13:09,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:13:09,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:13:09,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:13:09,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:13:09,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:13:09,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:13:09,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:13:09,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:13:09,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:13:09,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:13:09,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:13:09,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:13:09,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:13:09,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:13:09,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:13:09,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:13:09,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:13:09,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:13:09,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:13:09,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:13:09,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:13:09,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:13:09,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:13:09,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:13:09,777 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:13:09,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:13:09,779 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:13:09,779 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:13:09,780 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:13:09,780 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:13:09,780 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:13:09,781 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:13:09,781 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:13:09,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:13:09,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:13:09,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:13:09,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:13:09,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:13:09,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:13:09,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:13:09,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:13:09,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:13:09,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:13:09,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:13:09,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:13:09,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:13:09,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:13:09,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:13:09,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:13:09,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:13:09,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:13:09,789 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:13:09,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:13:09,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:13:09,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:13:09,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:13:09,790 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_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2021-11-07 02:13:10,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:13:10,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:13:10,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:13:10,358 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:13:10,359 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:13:10,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/../../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 [2021-11-07 02:13:10,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/data/66b601d71/7887f13443e944beb1a684d993313758/FLAG27872fa04 [2021-11-07 02:13:11,700 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:13:11,702 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/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 [2021-11-07 02:13:11,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/data/66b601d71/7887f13443e944beb1a684d993313758/FLAG27872fa04 [2021-11-07 02:13:11,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/data/66b601d71/7887f13443e944beb1a684d993313758 [2021-11-07 02:13:11,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:13:11,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:13:11,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:13:11,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:13:11,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:13:11,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:13:11" (1/1) ... [2021-11-07 02:13:11,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15472abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:11, skipping insertion in model container [2021-11-07 02:13:11,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:13:11" (1/1) ... [2021-11-07 02:13:11,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:13:12,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:13:12,878 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-07 02:13:12,879 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-07 02:13:13,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/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] [2021-11-07 02:13:14,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:13:14,355 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:13:14,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:13:14,553 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-07 02:13:14,554 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-07 02:13:14,566 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/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] [2021-11-07 02:13:14,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:13:14,756 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:13:14,873 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-07 02:13:14,873 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-07 02:13:14,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/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] [2021-11-07 02:13:15,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:13:15,215 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:13:15,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15 WrapperNode [2021-11-07 02:13:15,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:13:15,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:13:15,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:13:15,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:13:15,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15" (1/1) ... [2021-11-07 02:13:15,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15" (1/1) ... [2021-11-07 02:13:15,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:13:15,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:13:15,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:13:15,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:13:15,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15" (1/1) ... [2021-11-07 02:13:15,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15" (1/1) ... [2021-11-07 02:13:15,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15" (1/1) ... [2021-11-07 02:13:15,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15" (1/1) ... [2021-11-07 02:13:15,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15" (1/1) ... [2021-11-07 02:13:15,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15" (1/1) ... [2021-11-07 02:13:15,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15" (1/1) ... [2021-11-07 02:13:15,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:13:15,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:13:15,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:13:15,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:13:15,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15" (1/1) ... [2021-11-07 02:13:15,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:13:15,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:13:15,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:13:15,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:13:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:13:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:13:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:13:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 02:13:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-07 02:13:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:13:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:13:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:13:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:13:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:13:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 02:13:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:13:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:13:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:13:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:13:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:13:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:13:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:13:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:13:35,584 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:13:35,585 INFO L299 CfgBuilder]: Removed 589 assume(true) statements. [2021-11-07 02:13:35,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:13:35 BoogieIcfgContainer [2021-11-07 02:13:35,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:13:35,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:13:35,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:13:35,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:13:35,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:13:11" (1/3) ... [2021-11-07 02:13:35,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42588517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:13:35, skipping insertion in model container [2021-11-07 02:13:35,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:15" (2/3) ... [2021-11-07 02:13:35,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42588517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:13:35, skipping insertion in model container [2021-11-07 02:13:35,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:13:35" (3/3) ... [2021-11-07 02:13:35,599 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 [2021-11-07 02:13:35,606 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:13:35,606 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-07 02:13:35,674 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:13:35,681 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:13:35,682 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 02:13:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 606 states, 601 states have (on average 1.4276206322795342) internal successors, (858), 605 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 02:13:35,739 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:13:35,740 INFO L513 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] [2021-11-07 02:13:35,741 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:13:35,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:13:35,748 INFO L85 PathProgramCache]: Analyzing trace with hash -345089639, now seen corresponding path program 1 times [2021-11-07 02:13:35,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:13:35,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030533223] [2021-11-07 02:13:35,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:13:35,771 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:13:35,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:13:35,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:13:35,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:13:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:13:37,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:13:37,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:13:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:13:37,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:13:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:13:37,474 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:13:37,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030533223] [2021-11-07 02:13:37,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1030533223] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:13:37,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:13:37,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:13:37,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272983283] [2021-11-07 02:13:37,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:13:37,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:13:37,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:13:37,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:13:37,537 INFO L87 Difference]: Start difference. First operand has 606 states, 601 states have (on average 1.4276206322795342) internal successors, (858), 605 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:37,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:13:37,940 INFO L93 Difference]: Finished difference Result 1648 states and 2342 transitions. [2021-11-07 02:13:37,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:13:37,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-07 02:13:37,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:13:37,979 INFO L225 Difference]: With dead ends: 1648 [2021-11-07 02:13:37,979 INFO L226 Difference]: Without dead ends: 1018 [2021-11-07 02:13:37,990 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:13:38,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2021-11-07 02:13:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 1014. [2021-11-07 02:13:38,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1010 states have (on average 1.4) internal successors, (1414), 1013 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:38,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1414 transitions. [2021-11-07 02:13:38,139 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1414 transitions. Word has length 30 [2021-11-07 02:13:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:13:38,140 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1414 transitions. [2021-11-07 02:13:38,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1414 transitions. [2021-11-07 02:13:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-07 02:13:38,157 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:13:38,159 INFO L513 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] [2021-11-07 02:13:38,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:13:38,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:13:38,363 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:13:38,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:13:38,366 INFO L85 PathProgramCache]: Analyzing trace with hash -501809799, now seen corresponding path program 1 times [2021-11-07 02:13:38,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:13:38,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389066345] [2021-11-07 02:13:38,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:13:38,371 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:13:38,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:13:38,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:13:38,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:13:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:13:39,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:13:39,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:13:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:13:39,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:13:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:13:40,020 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:13:40,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1389066345] [2021-11-07 02:13:40,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1389066345] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:13:40,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:13:40,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:13:40,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251336338] [2021-11-07 02:13:40,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:13:40,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:13:40,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:13:40,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:13:40,025 INFO L87 Difference]: Start difference. First operand 1014 states and 1414 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:40,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:13:40,685 INFO L93 Difference]: Finished difference Result 2320 states and 3238 transitions. [2021-11-07 02:13:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:13:40,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-07 02:13:40,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:13:40,699 INFO L225 Difference]: With dead ends: 2320 [2021-11-07 02:13:40,700 INFO L226 Difference]: Without dead ends: 1336 [2021-11-07 02:13:40,702 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:13:40,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2021-11-07 02:13:40,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1322. [2021-11-07 02:13:40,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1322 states, 1318 states have (on average 1.3975720789074355) internal successors, (1842), 1321 states have internal predecessors, (1842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1842 transitions. [2021-11-07 02:13:40,793 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1842 transitions. Word has length 40 [2021-11-07 02:13:40,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:13:40,794 INFO L470 AbstractCegarLoop]: Abstraction has 1322 states and 1842 transitions. [2021-11-07 02:13:40,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:40,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1842 transitions. [2021-11-07 02:13:40,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 02:13:40,801 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:13:40,802 INFO L513 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] [2021-11-07 02:13:40,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:13:41,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:13:41,015 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:13:41,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:13:41,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1114337862, now seen corresponding path program 1 times [2021-11-07 02:13:41,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:13:41,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225141645] [2021-11-07 02:13:41,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:13:41,019 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:13:41,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:13:41,021 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:13:41,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:13:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:13:42,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:13:42,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:13:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:13:42,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:13:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:13:42,802 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:13:42,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225141645] [2021-11-07 02:13:42,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225141645] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:13:42,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:13:42,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:13:42,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139702636] [2021-11-07 02:13:42,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:13:42,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:13:42,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:13:42,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:13:42,818 INFO L87 Difference]: Start difference. First operand 1322 states and 1842 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:44,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:13:44,039 INFO L93 Difference]: Finished difference Result 9562 states and 13482 transitions. [2021-11-07 02:13:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:13:44,043 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-07 02:13:44,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:13:44,107 INFO L225 Difference]: With dead ends: 9562 [2021-11-07 02:13:44,107 INFO L226 Difference]: Without dead ends: 8270 [2021-11-07 02:13:44,115 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:13:44,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8270 states. [2021-11-07 02:13:44,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8270 to 1330. [2021-11-07 02:13:44,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 1326 states have (on average 1.3951734539969833) internal successors, (1850), 1329 states have internal predecessors, (1850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:44,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1850 transitions. [2021-11-07 02:13:44,323 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1850 transitions. Word has length 48 [2021-11-07 02:13:44,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:13:44,325 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 1850 transitions. [2021-11-07 02:13:44,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:44,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1850 transitions. [2021-11-07 02:13:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 02:13:44,329 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:13:44,330 INFO L513 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] [2021-11-07 02:13:44,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:13:44,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:13:44,555 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:13:44,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:13:44,555 INFO L85 PathProgramCache]: Analyzing trace with hash -155622078, now seen corresponding path program 1 times [2021-11-07 02:13:44,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:13:44,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842018441] [2021-11-07 02:13:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:13:44,557 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:13:44,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:13:44,559 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:13:44,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:13:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:13:45,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:13:45,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:13:46,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:13:46,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:13:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:13:46,620 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:13:46,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842018441] [2021-11-07 02:13:46,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842018441] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:13:46,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:13:46,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:13:46,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966854573] [2021-11-07 02:13:46,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:13:46,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:13:46,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:13:46,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:13:46,623 INFO L87 Difference]: Start difference. First operand 1330 states and 1850 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:46,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:13:46,795 INFO L93 Difference]: Finished difference Result 1330 states and 1850 transitions. [2021-11-07 02:13:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:13:46,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 02:13:46,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:13:46,806 INFO L225 Difference]: With dead ends: 1330 [2021-11-07 02:13:46,807 INFO L226 Difference]: Without dead ends: 1326 [2021-11-07 02:13:46,808 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:13:46,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2021-11-07 02:13:46,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1326. [2021-11-07 02:13:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1326 states, 1324 states have (on average 1.392749244712991) internal successors, (1844), 1325 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:46,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1844 transitions. [2021-11-07 02:13:46,917 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1844 transitions. Word has length 54 [2021-11-07 02:13:46,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:13:46,920 INFO L470 AbstractCegarLoop]: Abstraction has 1326 states and 1844 transitions. [2021-11-07 02:13:46,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:46,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1844 transitions. [2021-11-07 02:13:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 02:13:46,925 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:13:46,925 INFO L513 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] [2021-11-07 02:13:46,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:13:47,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:13:47,150 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:13:47,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:13:47,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1653029978, now seen corresponding path program 1 times [2021-11-07 02:13:47,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:13:47,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015327602] [2021-11-07 02:13:47,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:13:47,154 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:13:47,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:13:47,155 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:13:47,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:13:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:13:48,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:13:48,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:13:48,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:13:48,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:13:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 02:13:48,698 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:13:48,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015327602] [2021-11-07 02:13:48,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015327602] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:13:48,699 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:13:48,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:13:48,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734318027] [2021-11-07 02:13:48,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:13:48,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:13:48,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:13:48,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:13:48,702 INFO L87 Difference]: Start difference. First operand 1326 states and 1844 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:48,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:13:48,981 INFO L93 Difference]: Finished difference Result 3814 states and 5332 transitions. [2021-11-07 02:13:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:13:48,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-07 02:13:48,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:13:49,000 INFO L225 Difference]: With dead ends: 3814 [2021-11-07 02:13:49,000 INFO L226 Difference]: Without dead ends: 2518 [2021-11-07 02:13:49,003 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:13:49,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2021-11-07 02:13:49,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 1330. [2021-11-07 02:13:49,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 1328 states have (on average 1.3885542168674698) internal successors, (1844), 1329 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1844 transitions. [2021-11-07 02:13:49,170 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1844 transitions. Word has length 58 [2021-11-07 02:13:49,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:13:49,171 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 1844 transitions. [2021-11-07 02:13:49,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:13:49,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1844 transitions. [2021-11-07 02:13:49,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 02:13:49,175 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:13:49,175 INFO L513 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] [2021-11-07 02:13:49,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-07 02:13:49,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:13:49,404 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:13:49,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:13:49,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1260002968, now seen corresponding path program 1 times [2021-11-07 02:13:49,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:13:49,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317077647] [2021-11-07 02:13:49,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:13:49,407 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:13:49,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:13:49,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:13:49,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:15:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:15:30,121 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 02:16:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:16:53,647 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 02:16:53,648 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 02:16:53,649 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:16:53,651 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:16:53,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:16:53,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:16:53,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-07 02:16:53,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:16:53,863 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-07 02:16:53,867 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:16:54,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:16:54 BoogieIcfgContainer [2021-11-07 02:16:54,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:16:54,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:16:54,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:16:54,312 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:16:54,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:13:35" (3/4) ... [2021-11-07 02:16:54,317 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 02:16:54,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:16:54,319 INFO L168 Benchmark]: Toolchain (without parser) took 222350.41 ms. Allocated memory was 79.7 MB in the beginning and 402.7 MB in the end (delta: 323.0 MB). Free memory was 54.9 MB in the beginning and 110.6 MB in the end (delta: -55.7 MB). Peak memory consumption was 268.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:16:54,320 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 79.7 MB. Free memory was 59.6 MB in the beginning and 59.6 MB in the end (delta: 60.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:16:54,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3244.29 ms. Allocated memory was 79.7 MB in the beginning and 115.3 MB in the end (delta: 35.7 MB). Free memory was 54.7 MB in the beginning and 40.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 60.9 MB. Max. memory is 16.1 GB. [2021-11-07 02:16:54,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 345.71 ms. Allocated memory was 115.3 MB in the beginning and 159.4 MB in the end (delta: 44.0 MB). Free memory was 40.2 MB in the beginning and 90.8 MB in the end (delta: -50.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:16:54,321 INFO L168 Benchmark]: Boogie Preprocessor took 361.06 ms. Allocated memory is still 159.4 MB. Free memory was 90.8 MB in the beginning and 74.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:16:54,322 INFO L168 Benchmark]: RCFGBuilder took 19662.09 ms. Allocated memory was 159.4 MB in the beginning and 293.6 MB in the end (delta: 134.2 MB). Free memory was 74.1 MB in the beginning and 212.9 MB in the end (delta: -138.8 MB). Peak memory consumption was 129.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:16:54,323 INFO L168 Benchmark]: TraceAbstraction took 198719.54 ms. Allocated memory was 293.6 MB in the beginning and 402.7 MB in the end (delta: 109.1 MB). Free memory was 211.8 MB in the beginning and 110.6 MB in the end (delta: 101.2 MB). Peak memory consumption was 209.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:16:54,323 INFO L168 Benchmark]: Witness Printer took 5.51 ms. Allocated memory is still 402.7 MB. Free memory is still 110.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:16:54,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 79.7 MB. Free memory was 59.6 MB in the beginning and 59.6 MB in the end (delta: 60.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3244.29 ms. Allocated memory was 79.7 MB in the beginning and 115.3 MB in the end (delta: 35.7 MB). Free memory was 54.7 MB in the beginning and 40.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 60.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 345.71 ms. Allocated memory was 115.3 MB in the beginning and 159.4 MB in the end (delta: 44.0 MB). Free memory was 40.2 MB in the beginning and 90.8 MB in the end (delta: -50.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 361.06 ms. Allocated memory is still 159.4 MB. Free memory was 90.8 MB in the beginning and 74.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 19662.09 ms. Allocated memory was 159.4 MB in the beginning and 293.6 MB in the end (delta: 134.2 MB). Free memory was 74.1 MB in the beginning and 212.9 MB in the end (delta: -138.8 MB). Peak memory consumption was 129.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 198719.54 ms. Allocated memory was 293.6 MB in the beginning and 402.7 MB in the end (delta: 109.1 MB). Free memory was 211.8 MB in the beginning and 110.6 MB in the end (delta: 101.2 MB). Peak memory consumption was 209.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.51 ms. Allocated memory is still 402.7 MB. Free memory is still 110.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={0:0}, hrsl_to_error={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, ref_cnt=0] [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, ref_cnt=0] [L4071] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, ref_cnt=0] [L5550] case 0U: VAL [__this_module={0:0}, hrsl_to_error={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, ref_cnt=0] [L5557] default: VAL [__this_module={0:0}, hrsl_to_error={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [__this_module={0:0}, hrsl_to_error={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, 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={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, ref_cnt=0] [L3987] reach_error() VAL [__this_module={0:0}, hrsl_to_error={-5188151445802713134:0}, 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={6341068275337658091:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-6917529027641082685:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-6917529027641082141:0}, ref_cnt=0] - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 606 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 198.1s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6247 SDtfs, 7734 SDslu, 11092 SDs, 0 SdLazy, 166 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1330occurred in iteration=3, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 8146 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 104.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 450 ConstructedInterpolants, 0 QuantifiedInterpolants, 732 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3822 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 18/18 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 [2021-11-07 02:16:54,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99a4bad-6418-4425-9443-624b658120b4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample