./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-32_7a-drivers--char--lp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:14:57,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:14:57,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:14:57,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:14:57,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:14:57,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:14:57,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:14:57,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:14:57,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:14:57,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:14:57,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:14:57,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:14:57,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:14:57,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:14:57,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:14:57,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:14:57,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:14:57,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:14:57,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:14:57,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:14:57,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:14:57,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:14:57,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:14:57,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:14:57,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:14:57,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:14:57,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:14:57,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:14:57,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:14:57,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:14:57,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:14:57,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:14:57,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:14:57,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:14:57,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:14:57,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:14:57,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:14:57,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:14:57,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:14:57,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:14:57,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:14:57,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:14:57,768 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:14:57,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:14:57,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:14:57,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:14:57,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:14:57,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:14:57,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:14:57,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:14:57,772 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:14:57,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:14:57,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:14:57,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:14:57,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:14:57,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:14:57,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:14:57,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:14:57,774 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:14:57,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:14:57,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:14:57,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:14:57,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:14:57,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:14:57,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:14:57,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:14:57,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:14:57,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:14:57,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:14:57,776 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:14:57,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:14:57,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:14:57,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:14:57,777 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 [2021-12-15 13:14:57,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:14:58,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:14:58,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:14:58,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:14:58,028 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:14:58,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2021-12-15 13:14:58,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81614426/ebe5346028a04dde9d8bf5d5aa2fe30c/FLAGbab8b02cb [2021-12-15 13:14:58,743 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:14:58,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2021-12-15 13:14:58,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81614426/ebe5346028a04dde9d8bf5d5aa2fe30c/FLAGbab8b02cb [2021-12-15 13:14:58,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81614426/ebe5346028a04dde9d8bf5d5aa2fe30c [2021-12-15 13:14:58,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:14:58,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:14:58,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:14:58,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:14:58,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:14:58,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:14:58" (1/1) ... [2021-12-15 13:14:58,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578aa0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:58, skipping insertion in model container [2021-12-15 13:14:58,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:14:58" (1/1) ... [2021-12-15 13:14:58,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:14:59,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:15:00,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2021-12-15 13:15:00,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:15:00,311 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:15:00,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2021-12-15 13:15:00,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:15:00,644 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:15:00,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:00 WrapperNode [2021-12-15 13:15:00,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:15:00,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:15:00,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:15:00,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:15:00,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:00" (1/1) ... [2021-12-15 13:15:00,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:00" (1/1) ... [2021-12-15 13:15:00,836 INFO L137 Inliner]: procedures = 222, calls = 859, calls flagged for inlining = 79, calls inlined = 74, statements flattened = 2375 [2021-12-15 13:15:00,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:15:00,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:15:00,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:15:00,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:15:00,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:00" (1/1) ... [2021-12-15 13:15:00,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:00" (1/1) ... [2021-12-15 13:15:00,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:00" (1/1) ... [2021-12-15 13:15:00,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:00" (1/1) ... [2021-12-15 13:15:00,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:00" (1/1) ... [2021-12-15 13:15:00,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:00" (1/1) ... [2021-12-15 13:15:00,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:00" (1/1) ... [2021-12-15 13:15:00,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:15:00,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:15:00,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:15:00,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:15:00,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:00" (1/1) ... [2021-12-15 13:15:00,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:15:00,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:15:01,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:15:01,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:15:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2021-12-15 13:15:01,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2021-12-15 13:15:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-15 13:15:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2021-12-15 13:15:01,051 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2021-12-15 13:15:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:15:01,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:15:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:15:01,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:15:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2021-12-15 13:15:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2021-12-15 13:15:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-15 13:15:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-15 13:15:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:15:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:15:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2021-12-15 13:15:01,053 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2021-12-15 13:15:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:15:01,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:15:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:15:01,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:15:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:15:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:15:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:15:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-15 13:15:01,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-15 13:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2021-12-15 13:15:01,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2021-12-15 13:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2021-12-15 13:15:01,055 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2021-12-15 13:15:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2021-12-15 13:15:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2021-12-15 13:15:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2021-12-15 13:15:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2021-12-15 13:15:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:15:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:15:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:15:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 13:15:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 13:15:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:15:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:15:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2021-12-15 13:15:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2021-12-15 13:15:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:15:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:15:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-15 13:15:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-15 13:15:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2021-12-15 13:15:01,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2021-12-15 13:15:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-12-15 13:15:01,059 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-12-15 13:15:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2021-12-15 13:15:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2021-12-15 13:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2021-12-15 13:15:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2021-12-15 13:15:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2021-12-15 13:15:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2021-12-15 13:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2021-12-15 13:15:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2021-12-15 13:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2021-12-15 13:15:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2021-12-15 13:15:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2021-12-15 13:15:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2021-12-15 13:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-15 13:15:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-15 13:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:15:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:15:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:15:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:15:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:15:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2021-12-15 13:15:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2021-12-15 13:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-15 13:15:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-15 13:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:15:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-12-15 13:15:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:15:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:15:01,066 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:15:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:15:01,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:15:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2021-12-15 13:15:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2021-12-15 13:15:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2021-12-15 13:15:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2021-12-15 13:15:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-15 13:15:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-15 13:15:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2021-12-15 13:15:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2021-12-15 13:15:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-15 13:15:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-15 13:15:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 13:15:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 13:15:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2021-12-15 13:15:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2021-12-15 13:15:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 13:15:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 13:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-15 13:15:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-15 13:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:15:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2021-12-15 13:15:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2021-12-15 13:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-15 13:15:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-15 13:15:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 13:15:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 13:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:15:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:15:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2021-12-15 13:15:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2021-12-15 13:15:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:15:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:15:01,554 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:15:01,561 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:15:01,765 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.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.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:15:01,770 INFO L158 Benchmark]: Toolchain (without parser) took 2848.98ms. Allocated memory was 86.0MB in the beginning and 136.3MB in the end (delta: 50.3MB). Free memory was 50.7MB in the beginning and 70.8MB in the end (delta: -20.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2021-12-15 13:15:01,770 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:15:01,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1723.69ms. Allocated memory was 86.0MB in the beginning and 136.3MB in the end (delta: 50.3MB). Free memory was 50.7MB in the beginning and 66.8MB in the end (delta: -16.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2021-12-15 13:15:01,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 188.95ms. Allocated memory is still 136.3MB. Free memory was 66.8MB in the beginning and 83.7MB in the end (delta: -16.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-12-15 13:15:01,772 INFO L158 Benchmark]: Boogie Preprocessor took 137.65ms. Allocated memory is still 136.3MB. Free memory was 83.7MB in the beginning and 69.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:15:01,772 INFO L158 Benchmark]: RCFGBuilder took 792.14ms. Allocated memory is still 136.3MB. Free memory was 69.7MB in the beginning and 70.8MB in the end (delta: -1.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-12-15 13:15:01,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1723.69ms. Allocated memory was 86.0MB in the beginning and 136.3MB in the end (delta: 50.3MB). Free memory was 50.7MB in the beginning and 66.8MB in the end (delta: -16.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 188.95ms. Allocated memory is still 136.3MB. Free memory was 66.8MB in the beginning and 83.7MB in the end (delta: -16.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.65ms. Allocated memory is still 136.3MB. Free memory was 83.7MB in the beginning and 69.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 792.14ms. Allocated memory is still 136.3MB. Free memory was 69.7MB in the beginning and 70.8MB in the end (delta: -1.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:15:01,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:15:03,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:15:03,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:15:03,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:15:03,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:15:03,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:15:03,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:15:03,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:15:03,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:15:03,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:15:03,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:15:03,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:15:03,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:15:03,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:15:03,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:15:03,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:15:03,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:15:03,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:15:03,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:15:03,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:15:03,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:15:03,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:15:03,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:15:03,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:15:03,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:15:03,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:15:03,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:15:03,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:15:03,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:15:03,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:15:03,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:15:03,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:15:03,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:15:03,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:15:03,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:15:03,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:15:03,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:15:03,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:15:03,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:15:03,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:15:03,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:15:03,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:15:03,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:15:03,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:15:03,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:15:03,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:15:03,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:15:03,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:15:03,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:15:03,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:15:03,926 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:15:03,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:15:03,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:15:03,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:15:03,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:15:03,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:15:03,928 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:15:03,928 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:15:03,928 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:15:03,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:15:03,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:15:03,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:15:03,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:15:03,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:15:03,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:15:03,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:15:03,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:15:03,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:15:03,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:15:03,930 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:15:03,931 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:15:03,931 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:15:03,931 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:15:03,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:15:03,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:15:03,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:15:03,932 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 [2021-12-15 13:15:04,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:15:04,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:15:04,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:15:04,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:15:04,254 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:15:04,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2021-12-15 13:15:04,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b22edc01d/a25266b70d844ed3a21a0b708e0f9408/FLAG637da1e65 [2021-12-15 13:15:05,053 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:15:05,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2021-12-15 13:15:05,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b22edc01d/a25266b70d844ed3a21a0b708e0f9408/FLAG637da1e65 [2021-12-15 13:15:05,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b22edc01d/a25266b70d844ed3a21a0b708e0f9408 [2021-12-15 13:15:05,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:15:05,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:15:05,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:15:05,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:15:05,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:15:05,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:15:05" (1/1) ... [2021-12-15 13:15:05,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2a812b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:05, skipping insertion in model container [2021-12-15 13:15:05,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:15:05" (1/1) ... [2021-12-15 13:15:05,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:15:05,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:15:06,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2021-12-15 13:15:06,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:15:06,483 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:15:06,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:15:06,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2021-12-15 13:15:06,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:15:06,778 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:15:06,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2021-12-15 13:15:06,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:15:07,083 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:15:07,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:07 WrapperNode [2021-12-15 13:15:07,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:15:07,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:15:07,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:15:07,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:15:07,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:07" (1/1) ... [2021-12-15 13:15:07,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:07" (1/1) ... [2021-12-15 13:15:07,302 INFO L137 Inliner]: procedures = 231, calls = 858, calls flagged for inlining = 78, calls inlined = 72, statements flattened = 2259 [2021-12-15 13:15:07,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:15:07,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:15:07,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:15:07,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:15:07,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:07" (1/1) ... [2021-12-15 13:15:07,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:07" (1/1) ... [2021-12-15 13:15:07,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:07" (1/1) ... [2021-12-15 13:15:07,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:07" (1/1) ... [2021-12-15 13:15:07,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:07" (1/1) ... [2021-12-15 13:15:07,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:07" (1/1) ... [2021-12-15 13:15:07,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:07" (1/1) ... [2021-12-15 13:15:07,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:15:07,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:15:07,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:15:07,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:15:07,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:07" (1/1) ... [2021-12-15 13:15:07,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:15:07,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:15:07,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:15:07,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:15:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2021-12-15 13:15:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2021-12-15 13:15:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-15 13:15:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:15:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:15:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2021-12-15 13:15:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2021-12-15 13:15:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:15:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:15:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:15:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:15:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2021-12-15 13:15:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2021-12-15 13:15:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-15 13:15:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-15 13:15:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:15:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:15:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2021-12-15 13:15:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2021-12-15 13:15:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:15:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:15:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:15:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:15:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:15:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:15:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:15:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:15:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:15:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:15:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_UCHAR [2021-12-15 13:15:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_UCHAR [2021-12-15 13:15:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2021-12-15 13:15:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2021-12-15 13:15:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:15:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2021-12-15 13:15:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2021-12-15 13:15:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2021-12-15 13:15:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2021-12-15 13:15:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2021-12-15 13:15:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2021-12-15 13:15:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:15:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:15:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:15:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 13:15:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 13:15:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:15:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:15:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:15:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2021-12-15 13:15:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2021-12-15 13:15:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:15:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:15:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:15:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:15:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:15:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:15:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:15:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-15 13:15:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-15 13:15:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2021-12-15 13:15:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2021-12-15 13:15:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-12-15 13:15:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-12-15 13:15:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2021-12-15 13:15:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2021-12-15 13:15:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2021-12-15 13:15:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2021-12-15 13:15:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2021-12-15 13:15:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2021-12-15 13:15:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2021-12-15 13:15:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2021-12-15 13:15:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UCHAR~TO~VOID [2021-12-15 13:15:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UCHAR~TO~VOID [2021-12-15 13:15:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2021-12-15 13:15:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2021-12-15 13:15:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2021-12-15 13:15:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2021-12-15 13:15:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-15 13:15:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-15 13:15:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:15:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:15:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:15:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:15:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:15:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:15:07,597 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2021-12-15 13:15:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2021-12-15 13:15:07,597 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-15 13:15:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-15 13:15:07,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:15:07,598 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:15:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:15:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-12-15 13:15:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:15:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:15:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:15:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:15:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:15:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:15:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:15:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:15:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:15:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2021-12-15 13:15:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2021-12-15 13:15:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2021-12-15 13:15:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2021-12-15 13:15:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2021-12-15 13:15:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2021-12-15 13:15:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-15 13:15:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-15 13:15:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 13:15:07,603 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 13:15:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2021-12-15 13:15:07,605 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2021-12-15 13:15:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 13:15:07,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 13:15:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-15 13:15:07,607 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-15 13:15:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2021-12-15 13:15:07,607 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2021-12-15 13:15:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-15 13:15:07,610 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-15 13:15:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 13:15:07,610 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 13:15:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:15:07,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:15:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2021-12-15 13:15:07,610 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2021-12-15 13:15:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:15:07,610 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:15:08,067 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:15:08,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:15:08,915 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.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.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:15:08,919 INFO L158 Benchmark]: Toolchain (without parser) took 3756.19ms. Allocated memory was 62.9MB in the beginning and 159.4MB in the end (delta: 96.5MB). Free memory was 35.0MB in the beginning and 100.6MB in the end (delta: -65.5MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2021-12-15 13:15:08,920 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:15:08,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1919.09ms. Allocated memory was 62.9MB in the beginning and 109.1MB in the end (delta: 46.1MB). Free memory was 34.7MB in the beginning and 55.0MB in the end (delta: -20.3MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2021-12-15 13:15:08,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 218.36ms. Allocated memory is still 109.1MB. Free memory was 55.0MB in the beginning and 42.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:15:08,921 INFO L158 Benchmark]: Boogie Preprocessor took 209.59ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 42.0MB in the beginning and 101.0MB in the end (delta: -59.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-12-15 13:15:08,921 INFO L158 Benchmark]: RCFGBuilder took 1403.26ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 100.6MB in the end (delta: 477.8kB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2021-12-15 13:15:08,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1919.09ms. Allocated memory was 62.9MB in the beginning and 109.1MB in the end (delta: 46.1MB). Free memory was 34.7MB in the beginning and 55.0MB in the end (delta: -20.3MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 218.36ms. Allocated memory is still 109.1MB. Free memory was 55.0MB in the beginning and 42.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 209.59ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 42.0MB in the beginning and 101.0MB in the end (delta: -59.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1403.26ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 100.6MB in the end (delta: 477.8kB). Peak memory consumption was 38.7MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:15:08,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable