./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH --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 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:29:09,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:29:09,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:29:09,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:29:09,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:29:09,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:29:09,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:29:09,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:29:09,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:29:09,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:29:09,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:29:09,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:29:09,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:29:09,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:29:09,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:29:09,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:29:09,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:29:09,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:29:09,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:29:09,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:29:09,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:29:09,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:29:09,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:29:09,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:29:09,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:29:09,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:29:09,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:29:09,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:29:09,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:29:09,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:29:09,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:29:09,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:29:09,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:29:09,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:29:09,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:29:09,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:29:09,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:29:09,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:29:09,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:29:09,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:29:09,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:29:09,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 05:29:09,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:29:09,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:29:09,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:29:09,614 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:29:09,614 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:29:09,614 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:29:09,614 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:29:09,615 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:29:09,615 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:29:09,615 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:29:09,615 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:29:09,616 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:29:09,616 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:29:09,616 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:29:09,616 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:29:09,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:29:09,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:29:09,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:29:09,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:29:09,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:29:09,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:29:09,618 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:29:09,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:29:09,619 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:29:09,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:29:09,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:29:09,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:29:09,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:29:09,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:29:09,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:29:09,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:29:09,621 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:29:09,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:29:09,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:29:09,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:29:09,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:29:09,622 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_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 [2021-11-03 05:29:09,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:29:09,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:29:09,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:29:09,963 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:29:09,963 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:29:09,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-03 05:29:10,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/data/701c2d379/edff967e3a364e3ab7dd532e26beb8d1/FLAG9d0471add [2021-11-03 05:29:11,029 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:29:11,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-03 05:29:11,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/data/701c2d379/edff967e3a364e3ab7dd532e26beb8d1/FLAG9d0471add [2021-11-03 05:29:11,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/data/701c2d379/edff967e3a364e3ab7dd532e26beb8d1 [2021-11-03 05:29:11,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:29:11,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:29:11,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:29:11,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:29:11,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:29:11,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:29:11" (1/1) ... [2021-11-03 05:29:11,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c78c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:11, skipping insertion in model container [2021-11-03 05:29:11,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:29:11" (1/1) ... [2021-11-03 05:29:11,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:29:11,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:29:12,905 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,305 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,314 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,327 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,328 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,665 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,687 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,695 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,738 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,739 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,745 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,746 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,751 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,752 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,843 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:13,869 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,020 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,066 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,079 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,086 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,107 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,112 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,188 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,196 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,204 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,213 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,219 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,226 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,252 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,253 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,255 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,262 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:29:14,318 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_70b8cdcb-a93f-43b9-bf66-b0263495fee9/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-11-03 05:29:14,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:29:14,488 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) [2021-11-03 05:29:14,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@459429f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:14, skipping insertion in model container [2021-11-03 05:29:14,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:29:14,490 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:29:14,494 INFO L168 Benchmark]: Toolchain (without parser) took 2968.36 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 77.8 MB in the beginning and 65.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 53.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:29:14,495 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 109.1 MB. Free memory is still 87.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:29:14,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2961.52 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 77.8 MB in the beginning and 65.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 53.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:29:14,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 109.1 MB. Free memory is still 87.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2961.52 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 77.8 MB in the beginning and 65.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 53.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4314]: 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_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH --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 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:29:16,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:29:16,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:29:16,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:29:16,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:29:16,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:29:16,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:29:16,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:29:16,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:29:16,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:29:16,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:29:16,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:29:16,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:29:16,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:29:16,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:29:16,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:29:16,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:29:16,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:29:16,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:29:16,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:29:16,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:29:16,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:29:16,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:29:16,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:29:16,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:29:16,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:29:16,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:29:16,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:29:16,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:29:16,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:29:16,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:29:16,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:29:16,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:29:16,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:29:16,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:29:16,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:29:16,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:29:16,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:29:16,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:29:16,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:29:16,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:29:16,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 05:29:16,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:29:16,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:29:16,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:29:16,889 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:29:16,889 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:29:16,889 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:29:16,889 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:29:16,890 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:29:16,890 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:29:16,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:29:16,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:29:16,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:29:16,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:29:16,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:29:16,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:29:16,893 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:29:16,894 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:29:16,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:29:16,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:29:16,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:29:16,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:29:16,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:29:16,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:29:16,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:29:16,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:29:16,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:29:16,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:29:16,896 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:29:16,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:29:16,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:29:16,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:29:16,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:29:16,897 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_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 [2021-11-03 05:29:17,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:29:17,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:29:17,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:29:17,297 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:29:17,298 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:29:17,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-03 05:29:17,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/data/f59330def/0d713f34be724fb98846fbf48132304b/FLAG92e2f317b [2021-11-03 05:29:18,363 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:29:18,364 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-03 05:29:18,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/data/f59330def/0d713f34be724fb98846fbf48132304b/FLAG92e2f317b [2021-11-03 05:29:18,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70b8cdcb-a93f-43b9-bf66-b0263495fee9/bin/utaipan-aC7eJsxGYH/data/f59330def/0d713f34be724fb98846fbf48132304b [2021-11-03 05:29:18,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:29:18,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:29:18,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:29:18,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:29:18,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:29:18,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:29:18" (1/1) ... [2021-11-03 05:29:18,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530f88d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:18, skipping insertion in model container [2021-11-03 05:29:18,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:29:18" (1/1) ... [2021-11-03 05:29:18,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:29:19,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:29:21,537 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_70b8cdcb-a93f-43b9-bf66-b0263495fee9/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-11-03 05:29:21,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:29:21,728 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:29:21,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:29:22,413 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_70b8cdcb-a93f-43b9-bf66-b0263495fee9/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-11-03 05:29:22,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:29:22,459 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:29:22,990 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_70b8cdcb-a93f-43b9-bf66-b0263495fee9/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-11-03 05:29:23,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:29:23,175 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:29:23,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:23 WrapperNode [2021-11-03 05:29:23,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:29:23,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:29:23,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:29:23,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:29:23,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:23" (1/1) ... [2021-11-03 05:29:23,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:23" (1/1) ...