./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/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 d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:18:04,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:18:04,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:18:04,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:18:04,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:18:04,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:18:04,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:18:04,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:18:04,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:18:04,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:18:04,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:18:04,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:18:04,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:18:04,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:18:04,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:18:04,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:18:04,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:18:04,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:18:04,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:18:04,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:18:04,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:18:04,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:18:04,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:18:04,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:18:04,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:18:04,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:18:04,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:18:04,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:18:04,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:18:04,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:18:04,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:18:04,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:18:04,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:18:04,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:18:04,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:18:04,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:18:04,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:18:04,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:18:04,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:18:04,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:18:04,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:18:04,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:18:04,406 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:18:04,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:18:04,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:18:04,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:18:04,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:18:04,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:18:04,409 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:18:04,409 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:18:04,409 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:18:04,409 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:18:04,411 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:18:04,411 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:18:04,411 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:18:04,411 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:18:04,411 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:18:04,412 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:18:04,412 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:18:04,412 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:18:04,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:18:04,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:18:04,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:18:04,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:18:04,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:18:04,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:18:04,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:18:04,414 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:18:04,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:18:04,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:18:04,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:18:04,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:18:04,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:18:04,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:18:04,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:18:04,418 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:18:04,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:18:04,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:18:04,419 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:18:04,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:18:04,419 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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2021-11-23 17:18:04,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:18:04,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:18:04,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:18:04,756 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:18:04,757 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:18:04,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-23 17:18:04,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/data/1620e5430/7e28391622f24da29bc427b3a1670296/FLAGf3a0c1a88 [2021-11-23 17:18:05,938 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:18:05,939 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-23 17:18:05,985 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/data/1620e5430/7e28391622f24da29bc427b3a1670296/FLAGf3a0c1a88 [2021-11-23 17:18:06,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/data/1620e5430/7e28391622f24da29bc427b3a1670296 [2021-11-23 17:18:06,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:18:06,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:18:06,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:18:06,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:18:06,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:18:06,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c83477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06, skipping insertion in model container [2021-11-23 17:18:06,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:18:06,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:18:09,419 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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2021-11-23 17:18:09,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:09,686 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:18:10,252 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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2021-11-23 17:18:10,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:10,518 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:18:10,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:10 WrapperNode [2021-11-23 17:18:10,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:18:10,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:18:10,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:18:10,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:18:10,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:10" (1/1) ... [2021-11-23 17:18:10,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:10" (1/1) ... [2021-11-23 17:18:11,343 INFO L137 Inliner]: procedures = 359, calls = 7215, calls flagged for inlining = 183, calls inlined = 137, statements flattened = 11745 [2021-11-23 17:18:11,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:18:11,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:18:11,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:18:11,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:18:11,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:10" (1/1) ... [2021-11-23 17:18:11,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:10" (1/1) ... [2021-11-23 17:18:11,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:10" (1/1) ... [2021-11-23 17:18:11,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:10" (1/1) ... [2021-11-23 17:18:11,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:10" (1/1) ... [2021-11-23 17:18:11,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:10" (1/1) ... [2021-11-23 17:18:11,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:10" (1/1) ... [2021-11-23 17:18:11,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:18:11,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:18:11,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:18:11,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:18:11,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:10" (1/1) ... [2021-11-23 17:18:11,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:18:11,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:18:11,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:18:12,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:18:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 17:18:12,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 17:18:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 17:18:12,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 17:18:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 17:18:12,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 17:18:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:18:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:18:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 17:18:12,164 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 17:18:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_recv_bulk_msg [2021-11-23 17:18:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_recv_bulk_msg [2021-11-23 17:18:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:18:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:18:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_save_screen [2021-11-23 17:18:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_save_screen [2021-11-23 17:18:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_buffers [2021-11-23 17:18:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_buffers [2021-11-23 17:18:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_disconnect [2021-11-23 17:18:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_disconnect [2021-11-23 17:18:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_deinit [2021-11-23 17:18:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_deinit [2021-11-23 17:18:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_byte [2021-11-23 17:18:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_byte [2021-11-23 17:18:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:18:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:18:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 17:18:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 17:18:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:18:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:18:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_cursor [2021-11-23 17:18:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_cursor [2021-11-23 17:18:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2021-11-23 17:18:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2021-11-23 17:18:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 17:18:12,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 17:18:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_word [2021-11-23 17:18:12,169 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_word [2021-11-23 17:18:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:18:12,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:18:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetReg [2021-11-23 17:18:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetReg [2021-11-23 17:18:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 17:18:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 17:18:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb_lock_and_check [2021-11-23 17:18:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb_lock_and_check [2021-11-23 17:18:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:18:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure take_over_console [2021-11-23 17:18:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure take_over_console [2021-11-23 17:18:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_sisusb_valid [2021-11-23 17:18:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_sisusb_valid [2021-11-23 17:18:12,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:18:12,174 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegOR [2021-11-23 17:18:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegOR [2021-11-23 17:18:12,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2021-11-23 17:18:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2021-11-23 17:18:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 17:18:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_check_rbc [2021-11-23 17:18:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_check_rbc [2021-11-23 17:18:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:18:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:18:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 17:18:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 17:18:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_outurb_available [2021-11-23 17:18:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_outurb_available [2021-11-23 17:18:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_kill_all_busy [2021-11-23 17:18:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_kill_all_busy [2021-11-23 17:18:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:18:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:18:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 17:18:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 17:18:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getidxreg [2021-11-23 17:18:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getidxreg [2021-11-23 17:18:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 17:18:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 17:18:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-23 17:18:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-23 17:18:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_writeb [2021-11-23 17:18:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_writeb [2021-11-23 17:18:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 17:18:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 17:18:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 17:18:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_default_mode [2021-11-23 17:18:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_default_mode [2021-11-23 17:18:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_byte [2021-11-23 17:18:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_byte [2021-11-23 17:18:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:18:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_DisplayOn [2021-11-23 17:18:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_DisplayOn [2021-11-23 17:18:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregandor [2021-11-23 17:18:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregandor [2021-11-23 17:18:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_mem_bulk [2021-11-23 17:18:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_mem_bulk [2021-11-23 17:18:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-23 17:18:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-23 17:18:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_init [2021-11-23 17:18:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_init [2021-11-23 17:18:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-23 17:18:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-23 17:18:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:18:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetReg [2021-11-23 17:18:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetReg [2021-11-23 17:18:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_do_font_op [2021-11-23 17:18:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_do_font_op [2021-11-23 17:18:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_gfxdevice [2021-11-23 17:18:12,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_gfxdevice [2021-11-23 17:18:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegByte [2021-11-23 17:18:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegByte [2021-11-23 17:18:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_urbs [2021-11-23 17:18:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_urbs [2021-11-23 17:18:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:18:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:18:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bridge_packet [2021-11-23 17:18:12,231 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bridge_packet [2021-11-23 17:18:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 17:18:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 17:18:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 17:18:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 17:18:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_ioctl [2021-11-23 17:18:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_ioctl [2021-11-23 17:18:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_word [2021-11-23 17:18:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_word [2021-11-23 17:18:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb [2021-11-23 17:18:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb [2021-11-23 17:18:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:18:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:18:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_cursor [2021-11-23 17:18:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_cursor [2021-11-23 17:18:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_is_inactive [2021-11-23 17:18:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_is_inactive [2021-11-23 17:18:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-23 17:18:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-23 17:18:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_clear_vram [2021-11-23 17:18:12,233 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_clear_vram [2021-11-23 17:18:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_pci_config [2021-11-23 17:18:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_pci_config [2021-11-23 17:18:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:18:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:18:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:18:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bulk_msg [2021-11-23 17:18:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bulk_msg [2021-11-23 17:18:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 17:18:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 17:18:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:18:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:18:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_readb [2021-11-23 17:18:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_readb [2021-11-23 17:18:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregor [2021-11-23 17:18:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregor [2021-11-23 17:18:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:18:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-23 17:18:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-23 17:18:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:18:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:18:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:18:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_packet [2021-11-23 17:18:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_packet [2021-11-23 17:18:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_long [2021-11-23 17:18:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_long [2021-11-23 17:18:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_reset_text_mode [2021-11-23 17:18:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_reset_text_mode [2021-11-23 17:18:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSB_InitPtr [2021-11-23 17:18:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSB_InitPtr [2021-11-23 17:18:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:18:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_pci_config [2021-11-23 17:18:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_pci_config [2021-11-23 17:18:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:18:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxreg [2021-11-23 17:18:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxreg [2021-11-23 17:18:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegANDOR [2021-11-23 17:18:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegANDOR [2021-11-23 17:18:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:18:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:18:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_wait_all_out_complete [2021-11-23 17:18:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_wait_all_out_complete [2021-11-23 17:18:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:18:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:18:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegAND [2021-11-23 17:18:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegAND [2021-11-23 17:18:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregand [2021-11-23 17:18:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregand [2021-11-23 17:18:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 17:18:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 17:18:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegmentReg [2021-11-23 17:18:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegmentReg [2021-11-23 17:18:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_copy_memory [2021-11-23 17:18:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_copy_memory [2021-11-23 17:18:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setreg [2021-11-23 17:18:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setreg [2021-11-23 17:18:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2021-11-23 17:18:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2021-11-23 17:18:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_start_address [2021-11-23 17:18:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_start_address [2021-11-23 17:18:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-23 17:18:12,240 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-23 17:18:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 17:18:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 17:18:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_WriteDAC [2021-11-23 17:18:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_WriteDAC [2021-11-23 17:18:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_mem_bulk [2021-11-23 17:18:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_mem_bulk [2021-11-23 17:18:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getreg [2021-11-23 17:18:12,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getreg [2021-11-23 17:18:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBSetMode [2021-11-23 17:18:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBSetMode [2021-11-23 17:18:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2021-11-23 17:18:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2021-11-23 17:18:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_init [2021-11-23 17:18:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_init [2021-11-23 17:18:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-23 17:18:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-23 17:18:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:18:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_long [2021-11-23 17:18:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_long [2021-11-23 17:18:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetRegByte [2021-11-23 17:18:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetRegByte [2021-11-23 17:18:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 17:18:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 17:18:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_triggersr16 [2021-11-23 17:18:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_triggersr16 [2021-11-23 17:18:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-23 17:18:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-23 17:18:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:18:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:18:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_all_free [2021-11-23 17:18:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_all_free [2021-11-23 17:18:13,195 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:18:13,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:18:46,586 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:18:46,873 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:18:46,877 INFO L158 Benchmark]: Toolchain (without parser) took 40633.22ms. Allocated memory was 107.0MB in the beginning and 1.0GB in the end (delta: 924.8MB). Free memory was 70.1MB in the beginning and 575.9MB in the end (delta: -505.7MB). Peak memory consumption was 699.8MB. Max. memory is 16.1GB. [2021-11-23 17:18:46,877 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:18:46,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4274.05ms. Allocated memory was 107.0MB in the beginning and 192.9MB in the end (delta: 86.0MB). Free memory was 70.0MB in the beginning and 77.6MB in the end (delta: -7.6MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. [2021-11-23 17:18:46,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 823.81ms. Allocated memory was 192.9MB in the beginning and 297.8MB in the end (delta: 104.9MB). Free memory was 77.6MB in the beginning and 176.5MB in the end (delta: -98.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2021-11-23 17:18:46,880 INFO L158 Benchmark]: Boogie Preprocessor took 610.13ms. Allocated memory is still 297.8MB. Free memory was 176.5MB in the beginning and 114.6MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2021-11-23 17:18:46,881 INFO L158 Benchmark]: RCFGBuilder took 34918.68ms. Allocated memory was 297.8MB in the beginning and 1.0GB in the end (delta: 734.0MB). Free memory was 113.6MB in the beginning and 575.9MB in the end (delta: -462.3MB). Peak memory consumption was 553.6MB. Max. memory is 16.1GB. [2021-11-23 17:18:46,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4274.05ms. Allocated memory was 107.0MB in the beginning and 192.9MB in the end (delta: 86.0MB). Free memory was 70.0MB in the beginning and 77.6MB in the end (delta: -7.6MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 823.81ms. Allocated memory was 192.9MB in the beginning and 297.8MB in the end (delta: 104.9MB). Free memory was 77.6MB in the beginning and 176.5MB in the end (delta: -98.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 610.13ms. Allocated memory is still 297.8MB. Free memory was 176.5MB in the beginning and 114.6MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * RCFGBuilder took 34918.68ms. Allocated memory was 297.8MB in the beginning and 1.0GB in the end (delta: 734.0MB). Free memory was 113.6MB in the beginning and 575.9MB in the end (delta: -462.3MB). Peak memory consumption was 553.6MB. 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 17:18:46,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/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 d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:18:49,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:18:49,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:18:49,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:18:49,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:18:49,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:18:49,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:18:49,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:18:49,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:18:49,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:18:49,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:18:49,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:18:49,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:18:49,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:18:49,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:18:49,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:18:49,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:18:49,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:18:49,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:18:49,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:18:49,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:18:49,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:18:49,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:18:49,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:18:49,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:18:49,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:18:49,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:18:49,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:18:49,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:18:49,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:18:49,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:18:49,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:18:49,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:18:49,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:18:49,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:18:49,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:18:49,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:18:49,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:18:49,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:18:49,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:18:49,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:18:49,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:18:49,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:18:49,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:18:49,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:18:49,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:18:49,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:18:49,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:18:49,474 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:18:49,474 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:18:49,474 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:18:49,474 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:18:49,476 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:18:49,476 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:18:49,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:18:49,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:18:49,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:18:49,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:18:49,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:18:49,479 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:18:49,479 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:18:49,479 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:18:49,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:18:49,480 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:18:49,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:18:49,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:18:49,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:18:49,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:18:49,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:18:49,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:18:49,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:18:49,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:18:49,482 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:18:49,482 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:18:49,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:18:49,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:18:49,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:18:49,483 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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2021-11-23 17:18:49,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:18:49,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:18:49,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:18:49,876 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:18:49,881 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:18:49,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-23 17:18:49,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/data/3577c1eb5/828f199836f94b519e4991a1b128718d/FLAGcf96f83d3 [2021-11-23 17:18:51,072 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:18:51,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-23 17:18:51,127 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/data/3577c1eb5/828f199836f94b519e4991a1b128718d/FLAGcf96f83d3 [2021-11-23 17:18:51,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/data/3577c1eb5/828f199836f94b519e4991a1b128718d [2021-11-23 17:18:51,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:18:51,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:18:51,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:18:51,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:18:51,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:18:51,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:51" (1/1) ... [2021-11-23 17:18:51,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7419b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:51, skipping insertion in model container [2021-11-23 17:18:51,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:51" (1/1) ... [2021-11-23 17:18:51,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:18:51,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:18:54,396 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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2021-11-23 17:18:54,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:54,713 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:18:54,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:18:55,249 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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2021-11-23 17:18:55,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:55,374 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:18:55,850 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_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2021-11-23 17:18:55,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:56,333 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:18:56,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56 WrapperNode [2021-11-23 17:18:56,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:18:56,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:18:56,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:18:56,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:18:56,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56" (1/1) ... [2021-11-23 17:18:56,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56" (1/1) ... [2021-11-23 17:18:56,999 INFO L137 Inliner]: procedures = 374, calls = 7215, calls flagged for inlining = 183, calls inlined = 137, statements flattened = 11408 [2021-11-23 17:18:57,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:18:57,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:18:57,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:18:57,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:18:57,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56" (1/1) ... [2021-11-23 17:18:57,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56" (1/1) ... [2021-11-23 17:18:57,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56" (1/1) ... [2021-11-23 17:18:57,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56" (1/1) ... [2021-11-23 17:18:57,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56" (1/1) ... [2021-11-23 17:18:57,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56" (1/1) ... [2021-11-23 17:18:57,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56" (1/1) ... [2021-11-23 17:18:57,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:18:57,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:18:57,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:18:57,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:18:57,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56" (1/1) ... [2021-11-23 17:18:57,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:18:57,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:18:57,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:18:57,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:18:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:18:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 17:18:57,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 17:18:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 17:18:57,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 17:18:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 17:18:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 17:18:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:18:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:18:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:18:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 17:18:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:18:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 17:18:57,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 17:18:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_recv_bulk_msg [2021-11-23 17:18:57,646 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_recv_bulk_msg [2021-11-23 17:18:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:18:57,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:18:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_save_screen [2021-11-23 17:18:57,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_save_screen [2021-11-23 17:18:57,648 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_buffers [2021-11-23 17:18:57,648 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_buffers [2021-11-23 17:18:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_disconnect [2021-11-23 17:18:57,649 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_disconnect [2021-11-23 17:18:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_deinit [2021-11-23 17:18:57,649 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_deinit [2021-11-23 17:18:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_byte [2021-11-23 17:18:57,650 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_byte [2021-11-23 17:18:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:18:57,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:18:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 17:18:57,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 17:18:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:18:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:18:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_cursor [2021-11-23 17:18:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_cursor [2021-11-23 17:18:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2021-11-23 17:18:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2021-11-23 17:18:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 17:18:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 17:18:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_word [2021-11-23 17:18:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_word [2021-11-23 17:18:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:18:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:18:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetReg [2021-11-23 17:18:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetReg [2021-11-23 17:18:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 17:18:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 17:18:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb_lock_and_check [2021-11-23 17:18:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb_lock_and_check [2021-11-23 17:18:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:18:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure take_over_console [2021-11-23 17:18:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure take_over_console [2021-11-23 17:18:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_sisusb_valid [2021-11-23 17:18:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_sisusb_valid [2021-11-23 17:18:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:18:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegOR [2021-11-23 17:18:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegOR [2021-11-23 17:18:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2021-11-23 17:18:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2021-11-23 17:18:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 17:18:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_check_rbc [2021-11-23 17:18:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_check_rbc [2021-11-23 17:18:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:18:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:18:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 17:18:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:18:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:18:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:18:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 17:18:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 17:18:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 17:18:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:18:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:18:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:18:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_outurb_available [2021-11-23 17:18:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_outurb_available [2021-11-23 17:18:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_kill_all_busy [2021-11-23 17:18:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_kill_all_busy [2021-11-23 17:18:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:18:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:18:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 17:18:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 17:18:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getidxreg [2021-11-23 17:18:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getidxreg [2021-11-23 17:18:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 17:18:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 17:18:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-23 17:18:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-23 17:18:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_writeb [2021-11-23 17:18:57,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_writeb [2021-11-23 17:18:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 17:18:57,668 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 17:18:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_default_mode [2021-11-23 17:18:57,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_default_mode [2021-11-23 17:18:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_byte [2021-11-23 17:18:57,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_byte [2021-11-23 17:18:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_DisplayOn [2021-11-23 17:18:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_DisplayOn [2021-11-23 17:18:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregandor [2021-11-23 17:18:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregandor [2021-11-23 17:18:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_mem_bulk [2021-11-23 17:18:57,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_mem_bulk [2021-11-23 17:18:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-23 17:18:57,670 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-23 17:18:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_init [2021-11-23 17:18:57,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_init [2021-11-23 17:18:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-23 17:18:57,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-23 17:18:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetReg [2021-11-23 17:18:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetReg [2021-11-23 17:18:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_do_font_op [2021-11-23 17:18:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_do_font_op [2021-11-23 17:18:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_gfxdevice [2021-11-23 17:18:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_gfxdevice [2021-11-23 17:18:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegByte [2021-11-23 17:18:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegByte [2021-11-23 17:18:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_urbs [2021-11-23 17:18:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_urbs [2021-11-23 17:18:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:18:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:18:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bridge_packet [2021-11-23 17:18:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bridge_packet [2021-11-23 17:18:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 17:18:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 17:18:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 17:18:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 17:18:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_ioctl [2021-11-23 17:18:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_ioctl [2021-11-23 17:18:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_word [2021-11-23 17:18:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_word [2021-11-23 17:18:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb [2021-11-23 17:18:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb [2021-11-23 17:18:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:18:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:18:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_cursor [2021-11-23 17:18:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_cursor [2021-11-23 17:18:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_is_inactive [2021-11-23 17:18:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_is_inactive [2021-11-23 17:18:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-23 17:18:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-23 17:18:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_clear_vram [2021-11-23 17:18:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_clear_vram [2021-11-23 17:18:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_pci_config [2021-11-23 17:18:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_pci_config [2021-11-23 17:18:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:18:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:18:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:18:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 17:18:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 17:18:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bulk_msg [2021-11-23 17:18:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bulk_msg [2021-11-23 17:18:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:18:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 17:18:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 17:18:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:18:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:18:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_readb [2021-11-23 17:18:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_readb [2021-11-23 17:18:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregor [2021-11-23 17:18:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregor [2021-11-23 17:18:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:18:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-23 17:18:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-23 17:18:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:18:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:18:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:18:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_packet [2021-11-23 17:18:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_packet [2021-11-23 17:18:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_long [2021-11-23 17:18:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_long [2021-11-23 17:18:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_reset_text_mode [2021-11-23 17:18:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_reset_text_mode [2021-11-23 17:18:57,772 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSB_InitPtr [2021-11-23 17:18:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSB_InitPtr [2021-11-23 17:18:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:18:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_pci_config [2021-11-23 17:18:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_pci_config [2021-11-23 17:18:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:18:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxreg [2021-11-23 17:18:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxreg [2021-11-23 17:18:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 17:18:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegANDOR [2021-11-23 17:18:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegANDOR [2021-11-23 17:18:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 17:18:57,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:18:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:18:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 17:18:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_wait_all_out_complete [2021-11-23 17:18:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_wait_all_out_complete [2021-11-23 17:18:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:18:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:18:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegAND [2021-11-23 17:18:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegAND [2021-11-23 17:18:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregand [2021-11-23 17:18:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregand [2021-11-23 17:18:57,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 17:18:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 17:18:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegmentReg [2021-11-23 17:18:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegmentReg [2021-11-23 17:18:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_copy_memory [2021-11-23 17:18:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_copy_memory [2021-11-23 17:18:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setreg [2021-11-23 17:18:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setreg [2021-11-23 17:18:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2021-11-23 17:18:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2021-11-23 17:18:57,775 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_start_address [2021-11-23 17:18:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_start_address [2021-11-23 17:18:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-23 17:18:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-23 17:18:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 17:18:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 17:18:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_WriteDAC [2021-11-23 17:18:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_WriteDAC [2021-11-23 17:18:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_mem_bulk [2021-11-23 17:18:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_mem_bulk [2021-11-23 17:18:57,776 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getreg [2021-11-23 17:18:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getreg [2021-11-23 17:18:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBSetMode [2021-11-23 17:18:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBSetMode [2021-11-23 17:18:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2021-11-23 17:18:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2021-11-23 17:18:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_init [2021-11-23 17:18:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_init [2021-11-23 17:18:57,777 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-23 17:18:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-23 17:18:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 17:18:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_long [2021-11-23 17:18:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_long [2021-11-23 17:18:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetRegByte [2021-11-23 17:18:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetRegByte [2021-11-23 17:18:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 17:18:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 17:18:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_triggersr16 [2021-11-23 17:18:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_triggersr16 [2021-11-23 17:18:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-23 17:18:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-23 17:18:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:18:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:18:57,787 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_all_free [2021-11-23 17:18:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_all_free [2021-11-23 17:18:58,771 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:18:58,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:21:27,165 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:21:27,209 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:21:27,210 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:21:27,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:21:27 BoogieIcfgContainer [2021-11-23 17:21:27,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:21:27,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:21:27,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:21:27,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:21:27,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:18:51" (1/3) ... [2021-11-23 17:21:27,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8dd2009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:21:27, skipping insertion in model container [2021-11-23 17:21:27,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:56" (2/3) ... [2021-11-23 17:21:27,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8dd2009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:21:27, skipping insertion in model container [2021-11-23 17:21:27,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:21:27" (3/3) ... [2021-11-23 17:21:27,249 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-23 17:21:27,259 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:21:27,264 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:21:27,332 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:21:27,341 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 17:21:27,341 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:21:27,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 2753 states, 1882 states have (on average 1.3575982996811902) internal successors, (2555), 1909 states have internal predecessors, (2555), 765 states have call successors, (765), 104 states have call predecessors, (765), 104 states have return successors, (765), 761 states have call predecessors, (765), 765 states have call successors, (765) [2021-11-23 17:21:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 17:21:27,452 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:21:27,452 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:21:27,453 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:21:27,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:21:27,465 INFO L85 PathProgramCache]: Analyzing trace with hash -674524315, now seen corresponding path program 1 times [2021-11-23 17:21:27,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:21:27,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930977549] [2021-11-23 17:21:27,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:21:27,496 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:21:27,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:21:27,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:21:27,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:21:28,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:21:28,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:21:28,457 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 17:21:28,464 INFO L158 Benchmark]: Toolchain (without parser) took 157091.16ms. Allocated memory was 71.3MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 36.2MB in the beginning and 755.3MB in the end (delta: -719.2MB). Peak memory consumption was 299.3MB. Max. memory is 16.1GB. [2021-11-23 17:21:28,465 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:21:28,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4962.78ms. Allocated memory was 71.3MB in the beginning and 377.5MB in the end (delta: 306.2MB). Free memory was 36.0MB in the beginning and 206.1MB in the end (delta: -170.1MB). Peak memory consumption was 138.6MB. Max. memory is 16.1GB. [2021-11-23 17:21:28,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 666.91ms. Allocated memory is still 377.5MB. Free memory was 206.1MB in the beginning and 231.4MB in the end (delta: -25.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 17:21:28,473 INFO L158 Benchmark]: Boogie Preprocessor took 539.41ms. Allocated memory is still 377.5MB. Free memory was 231.4MB in the beginning and 165.3MB in the end (delta: 66.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2021-11-23 17:21:28,474 INFO L158 Benchmark]: RCFGBuilder took 149680.81ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 710.9MB). Free memory was 165.3MB in the beginning and 819.3MB in the end (delta: -654.0MB). Peak memory consumption was 609.5MB. Max. memory is 16.1GB. [2021-11-23 17:21:28,474 INFO L158 Benchmark]: TraceAbstraction took 1232.56ms. Allocated memory is still 1.1GB. Free memory was 819.3MB in the beginning and 755.3MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2021-11-23 17:21:28,480 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 71.3MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4962.78ms. Allocated memory was 71.3MB in the beginning and 377.5MB in the end (delta: 306.2MB). Free memory was 36.0MB in the beginning and 206.1MB in the end (delta: -170.1MB). Peak memory consumption was 138.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 666.91ms. Allocated memory is still 377.5MB. Free memory was 206.1MB in the beginning and 231.4MB in the end (delta: -25.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 539.41ms. Allocated memory is still 377.5MB. Free memory was 231.4MB in the beginning and 165.3MB in the end (delta: 66.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * RCFGBuilder took 149680.81ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 710.9MB). Free memory was 165.3MB in the beginning and 819.3MB in the end (delta: -654.0MB). Peak memory consumption was 609.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1232.56ms. Allocated memory is still 1.1GB. Free memory was 819.3MB in the beginning and 755.3MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. 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 17:21:28,713 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-23 17:21:28,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a4ccb0-cdb0-4a47-8d27-3c5a761544ff/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable