./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.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-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.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 1ef83f89a2480bb974b27f067785c3859d21a1e764735321272ad8be1e6dccbd --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:04:34,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:04:34,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:04:34,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:04:34,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:04:34,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:04:34,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:04:34,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:04:34,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:04:34,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:04:34,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:04:34,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:04:34,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:04:34,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:04:34,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:04:34,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:04:34,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:04:34,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:04:34,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:04:34,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:04:34,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:04:34,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:04:34,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:04:34,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:04:34,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:04:34,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:04:34,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:04:34,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:04:34,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:04:34,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:04:34,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:04:34,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:04:34,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:04:34,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:04:34,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:04:34,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:04:34,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:04:34,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:04:34,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:04:34,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:04:34,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:04:34,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:04:34,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:04:34,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:04:34,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:04:34,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:04:34,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:04:34,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:04:34,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:04:34,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:04:34,105 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:04:34,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:04:34,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:04:34,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:04:34,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:04:34,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:04:34,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:04:34,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:04:34,106 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:04:34,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:04:34,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:04:34,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:04:34,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:04:34,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:04:34,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:04:34,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:04:34,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:04:34,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:04:34,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:04:34,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:04:34,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:04:34,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:04:34,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:04:34,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef83f89a2480bb974b27f067785c3859d21a1e764735321272ad8be1e6dccbd [2021-12-15 13:04:34,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:04:34,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:04:34,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:04:34,391 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:04:34,391 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:04:34,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2021-12-15 13:04:34,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97081337d/431cf5a593954ffeb2ad73ccd3d047c1/FLAG86af0de6d [2021-12-15 13:04:35,125 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:04:35,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2021-12-15 13:04:35,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97081337d/431cf5a593954ffeb2ad73ccd3d047c1/FLAG86af0de6d [2021-12-15 13:04:35,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97081337d/431cf5a593954ffeb2ad73ccd3d047c1 [2021-12-15 13:04:35,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:04:35,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:04:35,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:04:35,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:04:35,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:04:35,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:04:35" (1/1) ... [2021-12-15 13:04:35,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5fec24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:35, skipping insertion in model container [2021-12-15 13:04:35,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:04:35" (1/1) ... [2021-12-15 13:04:35,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:04:35,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:04:36,579 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-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2021-12-15 13:04:36,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:36,651 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:04:36,883 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-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2021-12-15 13:04:36,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:36,976 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:04:36,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36 WrapperNode [2021-12-15 13:04:36,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:04:36,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:04:36,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:04:36,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:04:36,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36" (1/1) ... [2021-12-15 13:04:37,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36" (1/1) ... [2021-12-15 13:04:37,144 INFO L137 Inliner]: procedures = 191, calls = 829, calls flagged for inlining = 88, calls inlined = 74, statements flattened = 2144 [2021-12-15 13:04:37,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:04:37,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:04:37,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:04:37,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:04:37,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36" (1/1) ... [2021-12-15 13:04:37,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36" (1/1) ... [2021-12-15 13:04:37,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36" (1/1) ... [2021-12-15 13:04:37,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36" (1/1) ... [2021-12-15 13:04:37,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36" (1/1) ... [2021-12-15 13:04:37,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36" (1/1) ... [2021-12-15 13:04:37,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36" (1/1) ... [2021-12-15 13:04:37,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:04:37,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:04:37,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:04:37,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:04:37,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36" (1/1) ... [2021-12-15 13:04:37,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:04:37,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:04:37,401 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 13:04:37,424 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 13:04:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:04:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2021-12-15 13:04:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2021-12-15 13:04:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:04:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:04:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:04:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2021-12-15 13:04:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2021-12-15 13:04:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:04:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:04:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-15 13:04:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-15 13:04:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:04:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:04:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2021-12-15 13:04:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2021-12-15 13:04:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:04:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:04:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:04:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:04:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:04:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:04:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2021-12-15 13:04:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2021-12-15 13:04:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:04:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:04:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:04:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:04:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:04:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:04:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:04:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2021-12-15 13:04:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2021-12-15 13:04:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 13:04:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 13:04:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:04:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:04:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2021-12-15 13:04:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2021-12-15 13:04:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2021-12-15 13:04:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2021-12-15 13:04:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:04:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2021-12-15 13:04:37,448 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2021-12-15 13:04:37,448 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:04:37,448 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:04:37,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:04:37,448 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2021-12-15 13:04:37,448 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2021-12-15 13:04:37,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:04:37,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:04:37,449 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:04:37,449 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2021-12-15 13:04:37,449 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2021-12-15 13:04:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2021-12-15 13:04:37,450 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2021-12-15 13:04:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:04:37,451 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2021-12-15 13:04:37,451 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2021-12-15 13:04:37,452 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:04:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:04:37,452 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:04:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:04:37,452 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 13:04:37,453 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 13:04:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:04:37,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:04:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2021-12-15 13:04:37,453 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2021-12-15 13:04:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:04:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:04:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2021-12-15 13:04:37,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2021-12-15 13:04:37,454 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:04:37,455 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:04:37,455 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 13:04:37,455 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 13:04:37,455 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:04:37,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:04:37,455 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:04:37,455 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:04:37,455 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 13:04:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 13:04:37,456 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:04:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:04:37,456 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:04:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:04:37,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:04:37,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 13:04:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 13:04:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 13:04:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 13:04:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:04:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:04:37,458 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:04:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 13:04:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 13:04:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:04:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:04:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:04:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:04:37,968 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:04:37,971 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:04:45,723 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:04:45,742 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:04:45,745 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:04:45,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:04:45 BoogieIcfgContainer [2021-12-15 13:04:45,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:04:45,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:04:45,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:04:45,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:04:45,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:04:35" (1/3) ... [2021-12-15 13:04:45,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef7830a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:04:45, skipping insertion in model container [2021-12-15 13:04:45,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:36" (2/3) ... [2021-12-15 13:04:45,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef7830a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:04:45, skipping insertion in model container [2021-12-15 13:04:45,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:04:45" (3/3) ... [2021-12-15 13:04:45,761 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2021-12-15 13:04:45,766 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:04:45,767 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:04:45,829 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:04:45,837 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:04:45,837 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:04:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 678 states, 497 states have (on average 1.3541247484909458) internal successors, (673), 509 states have internal predecessors, (673), 137 states have call successors, (137), 42 states have call predecessors, (137), 42 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2021-12-15 13:04:45,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-15 13:04:45,882 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:04:45,882 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:04:45,883 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:04:45,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:04:45,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1437807102, now seen corresponding path program 1 times [2021-12-15 13:04:45,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:04:45,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009260951] [2021-12-15 13:04:45,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:04:45,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:04:45,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:04:45,974 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:04:45,979 INFO L158 Benchmark]: Toolchain (without parser) took 10503.05ms. Allocated memory was 100.7MB in the beginning and 287.3MB in the end (delta: 186.6MB). Free memory was 75.5MB in the beginning and 213.5MB in the end (delta: -138.0MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2021-12-15 13:04:45,980 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:04:45,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1502.04ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 75.5MB in the beginning and 79.8MB in the end (delta: -4.3MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2021-12-15 13:04:45,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.28ms. Allocated memory is still 123.7MB. Free memory was 79.8MB in the beginning and 63.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 13:04:45,982 INFO L158 Benchmark]: Boogie Preprocessor took 211.28ms. Allocated memory is still 123.7MB. Free memory was 63.9MB in the beginning and 70.2MB in the end (delta: -6.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2021-12-15 13:04:45,982 INFO L158 Benchmark]: RCFGBuilder took 8386.89ms. Allocated memory was 123.7MB in the beginning and 287.3MB in the end (delta: 163.6MB). Free memory was 70.2MB in the beginning and 229.2MB in the end (delta: -159.1MB). Peak memory consumption was 177.8MB. Max. memory is 16.1GB. [2021-12-15 13:04:45,983 INFO L158 Benchmark]: TraceAbstraction took 223.72ms. Allocated memory is still 287.3MB. Free memory was 229.2MB in the beginning and 213.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 13:04:45,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1502.04ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 75.5MB in the beginning and 79.8MB in the end (delta: -4.3MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.28ms. Allocated memory is still 123.7MB. Free memory was 79.8MB in the beginning and 63.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 211.28ms. Allocated memory is still 123.7MB. Free memory was 63.9MB in the beginning and 70.2MB in the end (delta: -6.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * RCFGBuilder took 8386.89ms. Allocated memory was 123.7MB in the beginning and 287.3MB in the end (delta: 163.6MB). Free memory was 70.2MB in the beginning and 229.2MB in the end (delta: -159.1MB). Peak memory consumption was 177.8MB. Max. memory is 16.1GB. * TraceAbstraction took 223.72ms. Allocated memory is still 287.3MB. Free memory was 229.2MB in the beginning and 213.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:04:46,023 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-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.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 1ef83f89a2480bb974b27f067785c3859d21a1e764735321272ad8be1e6dccbd --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:04:48,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:04:48,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:04:48,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:04:48,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:04:48,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:04:48,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:04:48,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:04:48,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:04:48,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:04:48,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:04:48,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:04:48,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:04:48,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:04:48,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:04:48,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:04:48,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:04:48,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:04:48,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:04:48,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:04:48,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:04:48,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:04:48,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:04:48,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:04:48,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:04:48,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:04:48,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:04:48,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:04:48,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:04:48,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:04:48,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:04:48,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:04:48,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:04:48,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:04:48,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:04:48,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:04:48,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:04:48,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:04:48,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:04:48,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:04:48,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:04:48,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:04:48,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:04:48,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:04:48,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:04:48,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:04:48,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:04:48,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:04:48,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:04:48,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:04:48,261 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:04:48,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:04:48,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:04:48,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:04:48,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:04:48,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:04:48,263 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:04:48,263 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:04:48,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:04:48,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:04:48,263 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:04:48,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:04:48,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:04:48,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:04:48,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:04:48,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:04:48,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:04:48,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:04:48,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:04:48,265 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:04:48,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:04:48,266 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:04:48,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:04:48,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:04:48,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:04:48,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:04:48,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef83f89a2480bb974b27f067785c3859d21a1e764735321272ad8be1e6dccbd [2021-12-15 13:04:48,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:04:48,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:04:48,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:04:48,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:04:48,639 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:04:48,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2021-12-15 13:04:48,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed9f8239/18e35d8063894c2a9d5070fc94d0bb9c/FLAG38315b0f6 [2021-12-15 13:04:49,350 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:04:49,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2021-12-15 13:04:49,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed9f8239/18e35d8063894c2a9d5070fc94d0bb9c/FLAG38315b0f6 [2021-12-15 13:04:49,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed9f8239/18e35d8063894c2a9d5070fc94d0bb9c [2021-12-15 13:04:49,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:04:49,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:04:49,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:04:49,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:04:49,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:04:49,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:04:49" (1/1) ... [2021-12-15 13:04:49,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328d0f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:49, skipping insertion in model container [2021-12-15 13:04:49,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:04:49" (1/1) ... [2021-12-15 13:04:49,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:04:49,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:04:50,489 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-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2021-12-15 13:04:50,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:50,605 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:04:50,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:04:50,845 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-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2021-12-15 13:04:50,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:50,862 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:04:51,051 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-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2021-12-15 13:04:51,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:51,178 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:04:51,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51 WrapperNode [2021-12-15 13:04:51,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:04:51,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:04:51,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:04:51,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:04:51,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51" (1/1) ... [2021-12-15 13:04:51,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51" (1/1) ... [2021-12-15 13:04:51,378 INFO L137 Inliner]: procedures = 205, calls = 829, calls flagged for inlining = 88, calls inlined = 74, statements flattened = 2067 [2021-12-15 13:04:51,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:04:51,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:04:51,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:04:51,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:04:51,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51" (1/1) ... [2021-12-15 13:04:51,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51" (1/1) ... [2021-12-15 13:04:51,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51" (1/1) ... [2021-12-15 13:04:51,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51" (1/1) ... [2021-12-15 13:04:51,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51" (1/1) ... [2021-12-15 13:04:51,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51" (1/1) ... [2021-12-15 13:04:51,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51" (1/1) ... [2021-12-15 13:04:51,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:04:51,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:04:51,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:04:51,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:04:51,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51" (1/1) ... [2021-12-15 13:04:51,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:04:51,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:04:51,593 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 13:04:51,618 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 13:04:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:04:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:04:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2021-12-15 13:04:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2021-12-15 13:04:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:04:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:04:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:04:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:04:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-15 13:04:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-15 13:04:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:04:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:04:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:04:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:04:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:04:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:04:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:04:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:04:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2021-12-15 13:04:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2021-12-15 13:04:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 13:04:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 13:04:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2021-12-15 13:04:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2021-12-15 13:04:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:04:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:04:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 13:04:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 13:04:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:04:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:04:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2021-12-15 13:04:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2021-12-15 13:04:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:04:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:04:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:04:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:04:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:04:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:04:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2021-12-15 13:04:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2021-12-15 13:04:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:04:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:04:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:04:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:04:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:04:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:04:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:04:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:04:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:04:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 13:04:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 13:04:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 13:04:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 13:04:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:04:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:04:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2021-12-15 13:04:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2021-12-15 13:04:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:04:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:04:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2021-12-15 13:04:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2021-12-15 13:04:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:04:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:04:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:04:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:04:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2021-12-15 13:04:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2021-12-15 13:04:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:04:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:04:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:04:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:04:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:04:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:04:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:04:51,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:04:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2021-12-15 13:04:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2021-12-15 13:04:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2021-12-15 13:04:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2021-12-15 13:04:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:04:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2021-12-15 13:04:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2021-12-15 13:04:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:04:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:04:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:04:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:04:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:04:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:04:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:04:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:04:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2021-12-15 13:04:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2021-12-15 13:04:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2021-12-15 13:04:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2021-12-15 13:04:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2021-12-15 13:04:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2021-12-15 13:04:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:04:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:04:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:04:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:04:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 13:04:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 13:04:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:04:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:04:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 13:04:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 13:04:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:04:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:04:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:04:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 13:04:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 13:04:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:04:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:04:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:04:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:04:52,104 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:04:52,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:05:18,514 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:05:18,526 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:05:18,526 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:05:18,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:05:18 BoogieIcfgContainer [2021-12-15 13:05:18,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:05:18,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:05:18,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:05:18,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:05:18,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:04:49" (1/3) ... [2021-12-15 13:05:18,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13eaab86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:05:18, skipping insertion in model container [2021-12-15 13:05:18,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:51" (2/3) ... [2021-12-15 13:05:18,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13eaab86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:05:18, skipping insertion in model container [2021-12-15 13:05:18,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:05:18" (3/3) ... [2021-12-15 13:05:18,537 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2021-12-15 13:05:18,541 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:05:18,542 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:05:18,626 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:05:18,632 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:05:18,632 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:05:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 678 states, 497 states have (on average 1.3541247484909458) internal successors, (673), 509 states have internal predecessors, (673), 137 states have call successors, (137), 42 states have call predecessors, (137), 42 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2021-12-15 13:05:18,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-15 13:05:18,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:05:18,684 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:05:18,684 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:05:18,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:05:18,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1437807102, now seen corresponding path program 1 times [2021-12-15 13:05:18,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:05:18,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554269365] [2021-12-15 13:05:18,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:05:18,710 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:05:18,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:05:18,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 13:05:18,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 13:05:18,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 13:05:19,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 13:05:19,166 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:05:19,172 INFO L158 Benchmark]: Toolchain (without parser) took 29619.56ms. Allocated memory was 56.6MB in the beginning and 331.4MB in the end (delta: 274.7MB). Free memory was 29.3MB in the beginning and 252.4MB in the end (delta: -223.1MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2021-12-15 13:05:19,173 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 56.6MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:05:19,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1626.02ms. Allocated memory was 56.6MB in the beginning and 92.3MB in the end (delta: 35.7MB). Free memory was 29.1MB in the beginning and 40.4MB in the end (delta: -11.3MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2021-12-15 13:05:19,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.85ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 40.4MB in the beginning and 70.2MB in the end (delta: -29.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-12-15 13:05:19,176 INFO L158 Benchmark]: Boogie Preprocessor took 179.78ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 53.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 13:05:19,177 INFO L158 Benchmark]: RCFGBuilder took 26967.89ms. Allocated memory was 117.4MB in the beginning and 331.4MB in the end (delta: 213.9MB). Free memory was 52.8MB in the beginning and 87.6MB in the end (delta: -34.7MB). Peak memory consumption was 184.3MB. Max. memory is 16.1GB. [2021-12-15 13:05:19,177 INFO L158 Benchmark]: TraceAbstraction took 639.28ms. Allocated memory is still 331.4MB. Free memory was 87.6MB in the beginning and 252.4MB in the end (delta: -164.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:05:19,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 56.6MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1626.02ms. Allocated memory was 56.6MB in the beginning and 92.3MB in the end (delta: 35.7MB). Free memory was 29.1MB in the beginning and 40.4MB in the end (delta: -11.3MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.85ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 40.4MB in the beginning and 70.2MB in the end (delta: -29.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 179.78ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 53.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 26967.89ms. Allocated memory was 117.4MB in the beginning and 331.4MB in the end (delta: 213.9MB). Free memory was 52.8MB in the beginning and 87.6MB in the end (delta: -34.7MB). Peak memory consumption was 184.3MB. Max. memory is 16.1GB. * TraceAbstraction took 639.28ms. Allocated memory is still 331.4MB. Free memory was 87.6MB in the beginning and 252.4MB in the end (delta: -164.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:05:19,290 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