./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl --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 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:06:28,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:06:28,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:06:28,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:06:28,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:06:28,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:06:28,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:06:28,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:06:28,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:06:28,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:06:28,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:06:28,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:06:28,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:06:28,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:06:28,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:06:28,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:06:28,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:06:28,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:06:28,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:06:28,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:06:28,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:06:28,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:06:28,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:06:28,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:06:28,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:06:28,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:06:28,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:06:28,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:06:28,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:06:28,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:06:28,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:06:28,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:06:28,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:06:28,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:06:28,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:06:28,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:06:28,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:06:28,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:06:28,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:06:28,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:06:28,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:06:28,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:06:28,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:06:28,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:06:28,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:06:28,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:06:28,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:06:28,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:06:28,380 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:06:28,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:06:28,381 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:06:28,381 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:06:28,381 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:06:28,381 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:06:28,382 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:06:28,382 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:06:28,382 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:06:28,382 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:06:28,383 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:06:28,383 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:06:28,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:06:28,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:06:28,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:06:28,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:06:28,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:06:28,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:06:28,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:06:28,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:06:28,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:06:28,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:06:28,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:06:28,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:28,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:06:28,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:06:28,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:06:28,387 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:06:28,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:06:28,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:06:28,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:06:28,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:06:28,389 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_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2021-11-23 17:06:28,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:06:28,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:06:28,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:06:28,733 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:06:28,734 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:06:28,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-23 17:06:28,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/data/d80fb5b52/26a63acb432547b0a1d1a2cc8ac69703/FLAGd91d8a788 [2021-11-23 17:06:29,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:06:29,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-23 17:06:29,623 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/data/d80fb5b52/26a63acb432547b0a1d1a2cc8ac69703/FLAGd91d8a788 [2021-11-23 17:06:29,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/data/d80fb5b52/26a63acb432547b0a1d1a2cc8ac69703 [2021-11-23 17:06:29,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:06:29,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:06:29,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:29,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:06:29,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:06:29,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:29" (1/1) ... [2021-11-23 17:06:29,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1005a819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:29, skipping insertion in model container [2021-11-23 17:06:29,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:29" (1/1) ... [2021-11-23 17:06:29,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:06:29,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:06:30,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-11-23 17:06:31,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:31,128 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:06:31,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-11-23 17:06:31,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:31,386 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:06:31,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31 WrapperNode [2021-11-23 17:06:31,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:31,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:31,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:06:31,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:06:31,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,566 INFO L137 Inliner]: procedures = 131, calls = 529, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1088 [2021-11-23 17:06:31,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:31,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:06:31,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:06:31,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:06:31,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:06:31,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:06:31,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:06:31,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:06:31,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:31,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:06:31,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:06:31,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:06:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-11-23 17:06:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-11-23 17:06:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-11-23 17:06:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-11-23 17:06:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-11-23 17:06:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-11-23 17:06:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-11-23 17:06:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-11-23 17:06:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:06:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-11-23 17:06:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-11-23 17:06:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:06:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:06:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2021-11-23 17:06:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2021-11-23 17:06:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2021-11-23 17:06:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2021-11-23 17:06:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:06:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:06:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:06:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:06:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:06:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2021-11-23 17:06:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2021-11-23 17:06:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:06:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:06:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:06:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:06:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 17:06:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 17:06:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:06:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 17:06:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 17:06:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:06:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:06:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:06:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2021-11-23 17:06:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2021-11-23 17:06:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:06:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:06:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2021-11-23 17:06:31,853 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2021-11-23 17:06:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2021-11-23 17:06:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2021-11-23 17:06:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 17:06:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:06:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2021-11-23 17:06:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2021-11-23 17:06:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2021-11-23 17:06:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2021-11-23 17:06:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-11-23 17:06:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-11-23 17:06:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:06:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:06:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-11-23 17:06:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-11-23 17:06:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-11-23 17:06:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-11-23 17:06:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 17:06:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 17:06:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2021-11-23 17:06:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2021-11-23 17:06:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-11-23 17:06:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-11-23 17:06:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2021-11-23 17:06:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2021-11-23 17:06:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:06:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 17:06:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 17:06:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:06:31,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:06:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-11-23 17:06:31,863 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-11-23 17:06:32,273 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:06:32,276 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:06:34,060 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:06:34,209 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:06:34,214 INFO L158 Benchmark]: Toolchain (without parser) took 4454.22ms. Allocated memory was 104.9MB in the beginning and 157.3MB in the end (delta: 52.4MB). Free memory was 81.3MB in the beginning and 62.1MB in the end (delta: 19.2MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2021-11-23 17:06:34,215 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:06:34,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1624.62ms. Allocated memory was 104.9MB in the beginning and 157.3MB in the end (delta: 52.4MB). Free memory was 81.1MB in the beginning and 98.6MB in the end (delta: -17.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-11-23 17:06:34,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 178.93ms. Allocated memory is still 157.3MB. Free memory was 98.6MB in the beginning and 91.2MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:06:34,219 INFO L158 Benchmark]: Boogie Preprocessor took 180.76ms. Allocated memory is still 157.3MB. Free memory was 91.2MB in the beginning and 83.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:06:34,220 INFO L158 Benchmark]: RCFGBuilder took 2463.39ms. Allocated memory is still 157.3MB. Free memory was 83.0MB in the beginning and 62.1MB in the end (delta: 20.9MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2021-11-23 17:06:34,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1624.62ms. Allocated memory was 104.9MB in the beginning and 157.3MB in the end (delta: 52.4MB). Free memory was 81.1MB in the beginning and 98.6MB in the end (delta: -17.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 178.93ms. Allocated memory is still 157.3MB. Free memory was 98.6MB in the beginning and 91.2MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.76ms. Allocated memory is still 157.3MB. Free memory was 91.2MB in the beginning and 83.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2463.39ms. Allocated memory is still 157.3MB. Free memory was 83.0MB in the beginning and 62.1MB in the end (delta: 20.9MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:06:34,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/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 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_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl --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 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:06:36,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:06:36,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:06:36,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:06:36,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:06:36,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:06:36,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:06:36,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:06:36,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:06:36,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:06:36,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:06:36,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:06:36,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:06:36,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:06:36,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:06:36,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:06:36,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:06:36,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:06:36,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:06:36,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:06:36,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:06:36,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:06:36,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:06:36,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:06:36,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:06:36,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:06:36,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:06:36,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:06:36,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:06:36,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:06:36,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:06:36,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:06:36,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:06:36,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:06:36,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:06:36,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:06:36,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:06:36,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:06:36,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:06:36,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:06:36,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:06:36,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:06:36,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:06:36,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:06:36,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:06:36,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:06:36,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:06:36,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:06:36,852 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:06:36,852 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:06:36,852 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:06:36,852 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:06:36,853 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:06:36,854 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:06:36,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:06:36,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:06:36,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:06:36,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:06:36,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:06:36,856 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:06:36,856 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:06:36,857 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:06:36,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:06:36,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:06:36,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:06:36,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:06:36,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:06:36,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:06:36,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:36,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:06:36,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:06:36,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:06:36,859 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:06:36,859 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:06:36,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:06:36,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:06:36,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:06:36,860 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_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2021-11-23 17:06:37,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:06:37,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:06:37,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:06:37,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:06:37,255 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:06:37,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-23 17:06:37,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/data/bc2716443/7113e6b0718348a593dddff8d6dcca67/FLAG8e9912a91 [2021-11-23 17:06:38,090 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:06:38,092 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-23 17:06:38,132 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/data/bc2716443/7113e6b0718348a593dddff8d6dcca67/FLAG8e9912a91 [2021-11-23 17:06:38,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/data/bc2716443/7113e6b0718348a593dddff8d6dcca67 [2021-11-23 17:06:38,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:06:38,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:06:38,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:38,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:06:38,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:06:38,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:38" (1/1) ... [2021-11-23 17:06:38,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b71eddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:38, skipping insertion in model container [2021-11-23 17:06:38,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:38" (1/1) ... [2021-11-23 17:06:38,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:06:38,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:06:39,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-11-23 17:06:39,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:39,448 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:06:39,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:06:39,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-11-23 17:06:39,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:39,685 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:06:39,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-11-23 17:06:39,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:40,013 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:06:40,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40 WrapperNode [2021-11-23 17:06:40,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:40,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:40,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:06:40,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:06:40,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40" (1/1) ... [2021-11-23 17:06:40,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40" (1/1) ... [2021-11-23 17:06:40,131 INFO L137 Inliner]: procedures = 139, calls = 529, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1045 [2021-11-23 17:06:40,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:40,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:06:40,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:06:40,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:06:40,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40" (1/1) ... [2021-11-23 17:06:40,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40" (1/1) ... [2021-11-23 17:06:40,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40" (1/1) ... [2021-11-23 17:06:40,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40" (1/1) ... [2021-11-23 17:06:40,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40" (1/1) ... [2021-11-23 17:06:40,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40" (1/1) ... [2021-11-23 17:06:40,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40" (1/1) ... [2021-11-23 17:06:40,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:06:40,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:06:40,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:06:40,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:06:40,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40" (1/1) ... [2021-11-23 17:06:40,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:40,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:06:40,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:06:40,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:06:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-11-23 17:06:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-11-23 17:06:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-11-23 17:06:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-11-23 17:06:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:06:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-11-23 17:06:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-11-23 17:06:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-11-23 17:06:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-11-23 17:06:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:06:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:06:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-11-23 17:06:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-11-23 17:06:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:06:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:06:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2021-11-23 17:06:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2021-11-23 17:06:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2021-11-23 17:06:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2021-11-23 17:06:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:06:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:06:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:06:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:06:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2021-11-23 17:06:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2021-11-23 17:06:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:06:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:06:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:06:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:06:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 17:06:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 17:06:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:06:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 17:06:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 17:06:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:06:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:06:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:06:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2021-11-23 17:06:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2021-11-23 17:06:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:06:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:06:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2021-11-23 17:06:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2021-11-23 17:06:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2021-11-23 17:06:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2021-11-23 17:06:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 17:06:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:06:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2021-11-23 17:06:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2021-11-23 17:06:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:06:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2021-11-23 17:06:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2021-11-23 17:06:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:06:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-11-23 17:06:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-11-23 17:06:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:06:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:06:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:06:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-11-23 17:06:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-11-23 17:06:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-11-23 17:06:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-11-23 17:06:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 17:06:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 17:06:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2021-11-23 17:06:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2021-11-23 17:06:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:06:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:06:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:06:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-11-23 17:06:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-11-23 17:06:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2021-11-23 17:06:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2021-11-23 17:06:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 17:06:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 17:06:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:06:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:06:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-11-23 17:06:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-11-23 17:06:40,759 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:06:40,763 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:06:51,019 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:06:51,031 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:06:51,032 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:06:51,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:06:51 BoogieIcfgContainer [2021-11-23 17:06:51,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:06:51,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:06:51,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:06:51,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:06:51,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:06:38" (1/3) ... [2021-11-23 17:06:51,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad3fd4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:06:51, skipping insertion in model container [2021-11-23 17:06:51,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:40" (2/3) ... [2021-11-23 17:06:51,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad3fd4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:06:51, skipping insertion in model container [2021-11-23 17:06:51,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:06:51" (3/3) ... [2021-11-23 17:06:51,043 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-23 17:06:51,048 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:06:51,049 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:06:51,101 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:06:51,108 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 [2021-11-23 17:06:51,109 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:06:51,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 454 states, 336 states have (on average 1.3571428571428572) internal successors, (456), 346 states have internal predecessors, (456), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-11-23 17:06:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 17:06:51,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:06:51,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:06:51,146 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:06:51,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:06:51,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1794190865, now seen corresponding path program 1 times [2021-11-23 17:06:51,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:06:51,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446098653] [2021-11-23 17:06:51,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:06:51,170 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:06:51,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:06:51,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:06:51,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:06:51,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:06:51,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:06:51,568 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:06:51,573 INFO L158 Benchmark]: Toolchain (without parser) took 13376.77ms. Allocated memory was 60.8MB in the beginning and 195.0MB in the end (delta: 134.2MB). Free memory was 32.8MB in the beginning and 132.4MB in the end (delta: -99.6MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2021-11-23 17:06:51,574 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 40.7MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:06:51,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1814.48ms. Allocated memory was 60.8MB in the beginning and 117.4MB in the end (delta: 56.6MB). Free memory was 32.6MB in the beginning and 67.5MB in the end (delta: -34.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2021-11-23 17:06:51,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.84ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 60.3MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:06:51,575 INFO L158 Benchmark]: Boogie Preprocessor took 152.03ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 72.4MB in the end (delta: -12.1MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-11-23 17:06:51,576 INFO L158 Benchmark]: RCFGBuilder took 10749.89ms. Allocated memory was 117.4MB in the beginning and 195.0MB in the end (delta: 77.6MB). Free memory was 71.9MB in the beginning and 102.5MB in the end (delta: -30.6MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2021-11-23 17:06:51,576 INFO L158 Benchmark]: TraceAbstraction took 534.97ms. Allocated memory is still 195.0MB. Free memory was 102.5MB in the beginning and 132.4MB in the end (delta: -29.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-23 17:06:51,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 40.7MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1814.48ms. Allocated memory was 60.8MB in the beginning and 117.4MB in the end (delta: 56.6MB). Free memory was 32.6MB in the beginning and 67.5MB in the end (delta: -34.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.84ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 60.3MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 152.03ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 72.4MB in the end (delta: -12.1MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10749.89ms. Allocated memory was 117.4MB in the beginning and 195.0MB in the end (delta: 77.6MB). Free memory was 71.9MB in the beginning and 102.5MB in the end (delta: -30.6MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * TraceAbstraction took 534.97ms. Allocated memory is still 195.0MB. Free memory was 102.5MB in the beginning and 132.4MB in the end (delta: -29.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:06:51,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558f67f-7781-473d-a441-320acc4a7171/bin/utaipan-fb15Y9Yzbl/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable