./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta --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 f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:36:44,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:36:44,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:36:44,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:36:44,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:36:44,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:36:44,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:36:44,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:36:44,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:36:44,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:36:44,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:36:44,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:36:44,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:36:44,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:36:44,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:36:44,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:36:44,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:36:44,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:36:44,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:36:44,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:36:44,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:36:44,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:36:44,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:36:44,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:36:44,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:36:44,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:36:44,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:36:44,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:36:44,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:36:44,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:36:44,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:36:44,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:36:44,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:36:44,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:36:44,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:36:44,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:36:44,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:36:44,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:36:44,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:36:44,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:36:44,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:36:44,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:36:44,550 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:36:44,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:36:44,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:36:44,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:36:44,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:36:44,556 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:36:44,556 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:36:44,557 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:36:44,557 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:36:44,557 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:36:44,558 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:36:44,559 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:36:44,559 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:36:44,560 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:36:44,560 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:36:44,560 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:36:44,561 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:36:44,561 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:36:44,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:36:44,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:36:44,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:36:44,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:36:44,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:36:44,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:36:44,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:36:44,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:36:44,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:36:44,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:36:44,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:36:44,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:36:44,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:36:44,568 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:36:44,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:36:44,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:36:44,569 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:36:44,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:36:44,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:36:44,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:36:44,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 [2022-10-17 17:36:44,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:36:44,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:36:44,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:36:44,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:36:44,965 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:36:44,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-10-17 17:36:45,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/data/ef87c2839/eb54112d972d42918fd3441f4d8423eb/FLAG981c530cf [2022-10-17 17:36:46,030 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:36:46,031 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-10-17 17:36:46,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/data/ef87c2839/eb54112d972d42918fd3441f4d8423eb/FLAG981c530cf [2022-10-17 17:36:46,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/data/ef87c2839/eb54112d972d42918fd3441f4d8423eb [2022-10-17 17:36:46,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:36:46,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:36:46,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:36:46,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:36:46,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:36:46,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:36:46" (1/1) ... [2022-10-17 17:36:46,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de5542b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:46, skipping insertion in model container [2022-10-17 17:36:46,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:36:46" (1/1) ... [2022-10-17 17:36:46,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:36:46,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:36:49,299 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_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-10-17 17:36:49,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:36:49,461 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:36:49,964 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_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-10-17 17:36:49,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:36:50,138 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:36:50,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50 WrapperNode [2022-10-17 17:36:50,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:36:50,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:36:50,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:36:50,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:36:50,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (1/1) ... [2022-10-17 17:36:50,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (1/1) ... [2022-10-17 17:36:50,508 INFO L138 Inliner]: procedures = 237, calls = 2052, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 4644 [2022-10-17 17:36:50,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:36:50,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:36:50,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:36:50,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:36:50,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (1/1) ... [2022-10-17 17:36:50,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (1/1) ... [2022-10-17 17:36:50,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (1/1) ... [2022-10-17 17:36:50,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (1/1) ... [2022-10-17 17:36:50,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (1/1) ... [2022-10-17 17:36:50,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (1/1) ... [2022-10-17 17:36:50,873 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (1/1) ... [2022-10-17 17:36:50,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (1/1) ... [2022-10-17 17:36:50,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:36:50,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:36:50,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:36:50,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:36:50,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (1/1) ... [2022-10-17 17:36:50,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:36:50,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:36:50,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:36:50,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c57f93-d7b1-4eda-8a7c-cd1e0cd0680f/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:36:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-10-17 17:36:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-10-17 17:36:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_ioctl [2022-10-17 17:36:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_ioctl [2022-10-17 17:36:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:36:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:36:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:36:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:36:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-10-17 17:36:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-10-17 17:36:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:36:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:36:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-10-17 17:36:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-10-17 17:36:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-10-17 17:36:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-10-17 17:36:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 17:36:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 17:36:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 17:36:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 17:36:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 17:36:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 17:36:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:36:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:36:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-10-17 17:36:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-10-17 17:36:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-10-17 17:36:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-10-17 17:36:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 17:36:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 17:36:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-10-17 17:36:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-10-17 17:36:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:36:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:36:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-10-17 17:36:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-10-17 17:36:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-10-17 17:36:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-10-17 17:36:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:36:51,043 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:36:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 17:36:51,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 17:36:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-10-17 17:36:51,043 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-10-17 17:36:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-10-17 17:36:51,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-10-17 17:36:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-10-17 17:36:51,045 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-10-17 17:36:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 17:36:51,047 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 17:36:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:36:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:36:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-10-17 17:36:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-10-17 17:36:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-10-17 17:36:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-10-17 17:36:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-17 17:36:51,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-17 17:36:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 17:36:51,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 17:36:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-10-17 17:36:51,050 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-10-17 17:36:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:36:51,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:36:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:36:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:36:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-10-17 17:36:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-10-17 17:36:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-10-17 17:36:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-10-17 17:36:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 17:36:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 17:36:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-10-17 17:36:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-10-17 17:36:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-10-17 17:36:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-10-17 17:36:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 17:36:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 17:36:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-17 17:36:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-17 17:36:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 17:36:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 17:36:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-10-17 17:36:51,055 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-10-17 17:36:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-10-17 17:36:51,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-10-17 17:36:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:36:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-10-17 17:36:51,057 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-10-17 17:36:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-10-17 17:36:51,057 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-10-17 17:36:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:36:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-10-17 17:36:51,059 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-10-17 17:36:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 17:36:51,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 17:36:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-10-17 17:36:51,059 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-10-17 17:36:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-17 17:36:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-17 17:36:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:36:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 17:36:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 17:36:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:36:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:36:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-10-17 17:36:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-10-17 17:36:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-10-17 17:36:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-10-17 17:36:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 17:36:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 17:36:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-10-17 17:36:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-10-17 17:36:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-17 17:36:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-17 17:36:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:36:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-10-17 17:36:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-10-17 17:36:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-17 17:36:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-10-17 17:36:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-10-17 17:36:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-10-17 17:36:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-10-17 17:36:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-10-17 17:36:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:36:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:36:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-10-17 17:36:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-10-17 17:36:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-10-17 17:36:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-10-17 17:36:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 17:36:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 17:36:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-10-17 17:36:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-10-17 17:36:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:36:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-10-17 17:36:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-10-17 17:36:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 17:36:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 17:36:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:36:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 17:36:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 17:36:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:36:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-17 17:36:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-17 17:36:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 17:36:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-17 17:36:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-17 17:36:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-10-17 17:36:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-10-17 17:36:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-10-17 17:36:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-10-17 17:36:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-10-17 17:36:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-10-17 17:36:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-10-17 17:36:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-10-17 17:36:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-10-17 17:36:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-10-17 17:36:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-10-17 17:36:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-10-17 17:36:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-10-17 17:36:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-10-17 17:36:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 17:36:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 17:36:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-10-17 17:36:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-10-17 17:36:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-17 17:36:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-17 17:36:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-10-17 17:36:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-10-17 17:36:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:36:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-10-17 17:36:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-10-17 17:36:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-10-17 17:36:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-10-17 17:36:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-10-17 17:36:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-10-17 17:36:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:36:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:36:51,981 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:36:51,986 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:36:52,538 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:36:59,777 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:37:02,137 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:37:02,137 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:37:02,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:37:02 BoogieIcfgContainer [2022-10-17 17:37:02,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:37:02,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:37:02,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:37:02,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:37:02,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:36:46" (1/3) ... [2022-10-17 17:37:02,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba21a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:37:02, skipping insertion in model container [2022-10-17 17:37:02,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:36:50" (2/3) ... [2022-10-17 17:37:02,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba21a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:37:02, skipping insertion in model container [2022-10-17 17:37:02,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:37:02" (3/3) ... [2022-10-17 17:37:02,158 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-10-17 17:37:02,182 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:37:02,182 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:37:02,312 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:37:02,320 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6aa88999, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:37:02,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:37:02,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 1510 states, 810 states have (on average 1.2703703703703704) internal successors, (1029), 841 states have internal predecessors, (1029), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) [2022-10-17 17:37:02,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-17 17:37:02,402 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:37:02,404 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:37:02,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:37:02,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:37:02,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1240297888, now seen corresponding path program 1 times [2022-10-17 17:37:02,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:37:02,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936555720] [2022-10-17 17:37:02,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:37:02,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:37:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:37:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-10-17 17:37:04,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:37:04,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936555720] [2022-10-17 17:37:04,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936555720] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:37:04,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:37:04,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 17:37:04,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552953900] [2022-10-17 17:37:04,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:37:04,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 17:37:04,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:37:04,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 17:37:04,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 17:37:04,299 INFO L87 Difference]: Start difference. First operand has 1510 states, 810 states have (on average 1.2703703703703704) internal successors, (1029), 841 states have internal predecessors, (1029), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-10-17 17:37:09,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:37:13,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:37:15,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:37:15,492 INFO L93 Difference]: Finished difference Result 4372 states and 6568 transitions. [2022-10-17 17:37:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 17:37:15,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 149 [2022-10-17 17:37:15,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:37:15,576 INFO L225 Difference]: With dead ends: 4372 [2022-10-17 17:37:15,576 INFO L226 Difference]: Without dead ends: 2860 [2022-10-17 17:37:15,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-17 17:37:15,612 INFO L413 NwaCegarLoop]: 2637 mSDtfsCounter, 2038 mSDsluCounter, 7840 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2044 SdHoareTripleChecker+Valid, 9962 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-10-17 17:37:15,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2044 Valid, 9962 Invalid, 722 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 718 Invalid, 1 Unknown, 0 Unchecked, 10.6s Time] [2022-10-17 17:37:15,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2860 states.