./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.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/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.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 2259272f0273dfac0cad582092d6645e308d8387476548b6016b816b129472dc --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:03:43,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:03:43,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:03:43,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:03:43,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:03:43,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:03:43,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:03:43,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:03:43,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:03:43,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:03:43,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:03:43,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:03:43,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:03:43,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:03:43,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:03:43,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:03:43,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:03:43,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:03:43,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:03:43,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:03:43,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:03:43,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:03:43,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:03:43,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:03:43,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:03:43,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:03:43,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:03:43,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:03:43,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:03:43,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:03:43,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:03:43,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:03:43,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:03:43,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:03:43,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:03:43,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:03:43,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:03:43,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:03:43,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:03:43,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:03:43,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:03:43,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:03:43,963 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:03:43,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:03:43,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:03:43,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:03:43,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:03:43,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:03:43,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:03:43,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:03:43,965 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:03:43,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:03:43,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:03:43,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:03:43,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:03:43,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:03:43,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:03:43,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:03:43,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:03:43,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:03:43,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:03:43,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:03:43,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:03:43,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:43,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:03:43,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:03:43,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:03:43,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:03:43,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:03:43,970 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:03:43,971 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:03:43,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:03:43,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:03:43,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2259272f0273dfac0cad582092d6645e308d8387476548b6016b816b129472dc [2021-12-15 13:03:44,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:03:44,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:03:44,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:03:44,243 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:03:44,243 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:03:44,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2021-12-15 13:03:44,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23853050/81d0c97aff004d088fec3d667cd3cd70/FLAG7e53386ec [2021-12-15 13:03:44,902 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:03:44,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2021-12-15 13:03:44,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23853050/81d0c97aff004d088fec3d667cd3cd70/FLAG7e53386ec [2021-12-15 13:03:45,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23853050/81d0c97aff004d088fec3d667cd3cd70 [2021-12-15 13:03:45,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:03:45,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:03:45,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:45,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:03:45,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:03:45,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:45" (1/1) ... [2021-12-15 13:03:45,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6993e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:45, skipping insertion in model container [2021-12-15 13:03:45,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:45" (1/1) ... [2021-12-15 13:03:45,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:03:45,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:03:46,097 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/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i[160403,160416] [2021-12-15 13:03:46,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:46,172 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:03:46,343 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/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i[160403,160416] [2021-12-15 13:03:46,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:46,445 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:03:46,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46 WrapperNode [2021-12-15 13:03:46,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:46,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:46,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:03:46,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:03:46,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46" (1/1) ... [2021-12-15 13:03:46,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46" (1/1) ... [2021-12-15 13:03:46,573 INFO L137 Inliner]: procedures = 196, calls = 979, calls flagged for inlining = 91, calls inlined = 82, statements flattened = 2523 [2021-12-15 13:03:46,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:46,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:03:46,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:03:46,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:03:46,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46" (1/1) ... [2021-12-15 13:03:46,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46" (1/1) ... [2021-12-15 13:03:46,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46" (1/1) ... [2021-12-15 13:03:46,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46" (1/1) ... [2021-12-15 13:03:46,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46" (1/1) ... [2021-12-15 13:03:46,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46" (1/1) ... [2021-12-15 13:03:46,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46" (1/1) ... [2021-12-15 13:03:46,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:03:46,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:03:46,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:03:46,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:03:46,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46" (1/1) ... [2021-12-15 13:03:46,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:46,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:03:46,770 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 13:03:46,776 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 13:03:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:03:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_exit [2021-12-15 13:03:46,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_exit [2021-12-15 13:03:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-15 13:03:46,797 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-15 13:03:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:03:46,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:03:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_report [2021-12-15 13:03:46,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_report [2021-12-15 13:03:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-15 13:03:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-15 13:03:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:03:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:03:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:03:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:03:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:03:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:03:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_rfk_state [2021-12-15 13:03:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_rfk_state [2021-12-15 13:03:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:03:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:03:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure read_ec_data [2021-12-15 13:03:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ec_data [2021-12-15 13:03:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:03:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 13:03:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 13:03:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_touchpad_state [2021-12-15 13:03:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_touchpad_state [2021-12-15 13:03:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:03:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:03:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:03:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_init [2021-12-15 13:03:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_init [2021-12-15 13:03:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2021-12-15 13:03:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2021-12-15 13:03:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 13:03:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 13:03:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_notify [2021-12-15 13:03:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_notify [2021-12-15 13:03:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:03:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:03:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:03:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2021-12-15 13:03:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2021-12-15 13:03:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:03:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_update_status [2021-12-15 13:03:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_update_status [2021-12-15 13:03:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-15 13:03:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-15 13:03:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_add [2021-12-15 13:03:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_add [2021-12-15 13:03:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_update_status [2021-12-15 13:03:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_update_status [2021-12-15 13:03:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:03:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:03:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_init_sw_state [2021-12-15 13:03:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_init_sw_state [2021-12-15 13:03:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:03:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:03:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-15 13:03:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-15 13:03:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:03:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-15 13:03:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-15 13:03:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_get_brightness [2021-12-15 13:03:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_get_brightness [2021-12-15 13:03:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_unregister_rfkill [2021-12-15 13:03:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_unregister_rfkill [2021-12-15 13:03:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:03:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-15 13:03:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-15 13:03:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:03:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcr [2021-12-15 13:03:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcr [2021-12-15 13:03:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcw [2021-12-15 13:03:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcw [2021-12-15 13:03:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_free [2021-12-15 13:03:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_free [2021-12-15 13:03:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:03:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-15 13:03:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-15 13:03:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_resume [2021-12-15 13:03:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_resume [2021-12-15 13:03:46,809 INFO L130 BoogieDeclarations]: Found specification of procedure write_ec_cmd [2021-12-15 13:03:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ec_cmd [2021-12-15 13:03:46,809 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_exit [2021-12-15 13:03:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_exit [2021-12-15 13:03:46,809 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_exit [2021-12-15 13:03:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_exit [2021-12-15 13:03:46,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:03:46,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:03:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:03:47,246 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:03:47,250 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:03:56,085 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:03:56,100 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:03:56,101 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:03:56,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:56 BoogieIcfgContainer [2021-12-15 13:03:56,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:03:56,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:03:56,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:03:56,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:03:56,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:03:45" (1/3) ... [2021-12-15 13:03:56,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e23540e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:56, skipping insertion in model container [2021-12-15 13:03:56,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:46" (2/3) ... [2021-12-15 13:03:56,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e23540e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:56, skipping insertion in model container [2021-12-15 13:03:56,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:56" (3/3) ... [2021-12-15 13:03:56,112 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2021-12-15 13:03:56,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:03:56,115 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:03:56,159 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:03:56,166 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 13:03:56,166 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:03:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 700 states, 543 states have (on average 1.4548802946593002) internal successors, (790), 562 states have internal predecessors, (790), 116 states have call successors, (116), 39 states have call predecessors, (116), 39 states have return successors, (116), 112 states have call predecessors, (116), 116 states have call successors, (116) [2021-12-15 13:03:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-15 13:03:56,222 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:03:56,223 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:03:56,224 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:03:56,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:03:56,230 INFO L85 PathProgramCache]: Analyzing trace with hash -750438681, now seen corresponding path program 1 times [2021-12-15 13:03:56,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:03:56,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007535618] [2021-12-15 13:03:56,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:03:56,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:03:56,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:03:56,357 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 13:03:56,362 INFO L158 Benchmark]: Toolchain (without parser) took 11082.93ms. Allocated memory was 86.0MB in the beginning and 998.2MB in the end (delta: 912.3MB). Free memory was 43.8MB in the beginning and 799.4MB in the end (delta: -755.5MB). Peak memory consumption was 156.5MB. Max. memory is 16.1GB. [2021-12-15 13:03:56,363 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 86.0MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:03:56,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1159.84ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 43.7MB in the beginning and 64.4MB in the end (delta: -20.7MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2021-12-15 13:03:56,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.89ms. Allocated memory is still 109.1MB. Free memory was 64.4MB in the beginning and 50.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 13:03:56,373 INFO L158 Benchmark]: Boogie Preprocessor took 170.13ms. Allocated memory is still 109.1MB. Free memory was 50.2MB in the beginning and 55.3MB in the end (delta: -5.1MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-12-15 13:03:56,374 INFO L158 Benchmark]: RCFGBuilder took 9359.30ms. Allocated memory was 109.1MB in the beginning and 998.2MB in the end (delta: 889.2MB). Free memory was 55.0MB in the beginning and 818.2MB in the end (delta: -763.3MB). Peak memory consumption was 603.3MB. Max. memory is 16.1GB. [2021-12-15 13:03:56,375 INFO L158 Benchmark]: TraceAbstraction took 254.25ms. Allocated memory is still 998.2MB. Free memory was 818.2MB in the beginning and 799.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 13:03:56,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 86.0MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1159.84ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 43.7MB in the beginning and 64.4MB in the end (delta: -20.7MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.89ms. Allocated memory is still 109.1MB. Free memory was 64.4MB in the beginning and 50.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 170.13ms. Allocated memory is still 109.1MB. Free memory was 50.2MB in the beginning and 55.3MB in the end (delta: -5.1MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * RCFGBuilder took 9359.30ms. Allocated memory was 109.1MB in the beginning and 998.2MB in the end (delta: 889.2MB). Free memory was 55.0MB in the beginning and 818.2MB in the end (delta: -763.3MB). Peak memory consumption was 603.3MB. Max. memory is 16.1GB. * TraceAbstraction took 254.25ms. Allocated memory is still 998.2MB. Free memory was 818.2MB in the beginning and 799.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:03:56,413 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/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.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 2259272f0273dfac0cad582092d6645e308d8387476548b6016b816b129472dc --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:03:58,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:03:58,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:03:58,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:03:58,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:03:58,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:03:58,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:03:58,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:03:58,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:03:58,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:03:58,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:03:58,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:03:58,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:03:58,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:03:58,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:03:58,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:03:58,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:03:58,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:03:58,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:03:58,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:03:58,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:03:58,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:03:58,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:03:58,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:03:58,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:03:58,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:03:58,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:03:58,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:03:58,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:03:58,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:03:58,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:03:58,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:03:58,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:03:58,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:03:58,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:03:58,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:03:58,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:03:58,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:03:58,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:03:58,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:03:58,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:03:58,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:03:58,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:03:58,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:03:58,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:03:58,239 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:03:58,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:03:58,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:03:58,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:03:58,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:03:58,241 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:03:58,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:03:58,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:03:58,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:03:58,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:03:58,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:03:58,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:03:58,242 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:03:58,242 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:03:58,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:03:58,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:03:58,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:03:58,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:03:58,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:03:58,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:03:58,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:58,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:03:58,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:03:58,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:03:58,244 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:03:58,244 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:03:58,245 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:03:58,245 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:03:58,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:03:58,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:03:58,245 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:03:58,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2259272f0273dfac0cad582092d6645e308d8387476548b6016b816b129472dc [2021-12-15 13:03:58,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:03:58,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:03:58,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:03:58,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:03:58,555 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:03:58,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2021-12-15 13:03:58,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c823a30c/b7b8fba4be3a4453acbf5e4a6330379c/FLAG9b3d67457 [2021-12-15 13:03:59,270 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:03:59,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2021-12-15 13:03:59,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c823a30c/b7b8fba4be3a4453acbf5e4a6330379c/FLAG9b3d67457 [2021-12-15 13:03:59,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c823a30c/b7b8fba4be3a4453acbf5e4a6330379c [2021-12-15 13:03:59,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:03:59,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:03:59,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:59,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:03:59,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:03:59,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:59" (1/1) ... [2021-12-15 13:03:59,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff63146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:59, skipping insertion in model container [2021-12-15 13:03:59,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:59" (1/1) ... [2021-12-15 13:03:59,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:03:59,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:04:00,631 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/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i[160403,160416] [2021-12-15 13:04:00,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:00,726 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:04:00,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:04:00,907 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/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i[160403,160416] [2021-12-15 13:04:00,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:00,946 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:04:01,085 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/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i[160403,160416] [2021-12-15 13:04:01,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:01,182 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:04:01,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01 WrapperNode [2021-12-15 13:04:01,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:04:01,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:04:01,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:04:01,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:04:01,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01" (1/1) ... [2021-12-15 13:04:01,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01" (1/1) ... [2021-12-15 13:04:01,356 INFO L137 Inliner]: procedures = 206, calls = 979, calls flagged for inlining = 91, calls inlined = 82, statements flattened = 2401 [2021-12-15 13:04:01,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:04:01,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:04:01,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:04:01,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:04:01,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01" (1/1) ... [2021-12-15 13:04:01,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01" (1/1) ... [2021-12-15 13:04:01,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01" (1/1) ... [2021-12-15 13:04:01,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01" (1/1) ... [2021-12-15 13:04:01,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01" (1/1) ... [2021-12-15 13:04:01,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01" (1/1) ... [2021-12-15 13:04:01,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01" (1/1) ... [2021-12-15 13:04:01,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:04:01,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:04:01,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:04:01,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:04:01,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01" (1/1) ... [2021-12-15 13:04:01,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:04:01,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:04:01,525 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 13:04:01,547 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 13:04:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:04:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:04:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:04:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:04:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_exit [2021-12-15 13:04:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_exit [2021-12-15 13:04:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-15 13:04:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-15 13:04:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:04:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:04:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_report [2021-12-15 13:04:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_report [2021-12-15 13:04:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-15 13:04:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-15 13:04:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:04:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:04:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:04:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:04:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:04:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:04:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_rfk_state [2021-12-15 13:04:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_rfk_state [2021-12-15 13:04:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:04:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:04:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure read_ec_data [2021-12-15 13:04:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ec_data [2021-12-15 13:04:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:04:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:04:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:04:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:04:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 13:04:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 13:04:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_touchpad_state [2021-12-15 13:04:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_touchpad_state [2021-12-15 13:04:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:04:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:04:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:04:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:04:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:04:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:04:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:04:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_init [2021-12-15 13:04:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_init [2021-12-15 13:04:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2021-12-15 13:04:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2021-12-15 13:04:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 13:04:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 13:04:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_notify [2021-12-15 13:04:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_notify [2021-12-15 13:04:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:04:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:04:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2021-12-15 13:04:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2021-12-15 13:04:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_update_status [2021-12-15 13:04:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_update_status [2021-12-15 13:04:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-15 13:04:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-15 13:04:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_add [2021-12-15 13:04:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_add [2021-12-15 13:04:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 13:04:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 13:04:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_update_status [2021-12-15 13:04:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_update_status [2021-12-15 13:04:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:04:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:04:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_init_sw_state [2021-12-15 13:04:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_init_sw_state [2021-12-15 13:04:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:04:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:04:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-15 13:04:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-15 13:04:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-15 13:04:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-15 13:04:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:04:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:04:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_get_brightness [2021-12-15 13:04:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_get_brightness [2021-12-15 13:04:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_unregister_rfkill [2021-12-15 13:04:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_unregister_rfkill [2021-12-15 13:04:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:04:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-15 13:04:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-15 13:04:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:04:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcr [2021-12-15 13:04:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcr [2021-12-15 13:04:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcw [2021-12-15 13:04:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcw [2021-12-15 13:04:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_free [2021-12-15 13:04:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_free [2021-12-15 13:04:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:04:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_resume [2021-12-15 13:04:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_resume [2021-12-15 13:04:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure write_ec_cmd [2021-12-15 13:04:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ec_cmd [2021-12-15 13:04:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_exit [2021-12-15 13:04:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_exit [2021-12-15 13:04:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_exit [2021-12-15 13:04:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_exit [2021-12-15 13:04:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:04:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:04:01,978 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:04:01,979 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:04:20,150 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:04:20,173 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:04:20,175 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:04:20,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:04:20 BoogieIcfgContainer [2021-12-15 13:04:20,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:04:20,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:04:20,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:04:20,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:04:20,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:03:59" (1/3) ... [2021-12-15 13:04:20,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1ea6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:04:20, skipping insertion in model container [2021-12-15 13:04:20,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:01" (2/3) ... [2021-12-15 13:04:20,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1ea6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:04:20, skipping insertion in model container [2021-12-15 13:04:20,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:04:20" (3/3) ... [2021-12-15 13:04:20,192 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2021-12-15 13:04:20,197 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:04:20,197 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:04:20,254 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:04:20,263 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 13:04:20,263 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:04:20,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 700 states, 543 states have (on average 1.4548802946593002) internal successors, (790), 562 states have internal predecessors, (790), 116 states have call successors, (116), 39 states have call predecessors, (116), 39 states have return successors, (116), 112 states have call predecessors, (116), 116 states have call successors, (116) [2021-12-15 13:04:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-15 13:04:20,307 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:04:20,307 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:04:20,308 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:04:20,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:04:20,312 INFO L85 PathProgramCache]: Analyzing trace with hash -750438681, now seen corresponding path program 1 times [2021-12-15 13:04:20,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:04:20,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920887615] [2021-12-15 13:04:20,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:04:20,326 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:04:20,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:04:20,331 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 13:04:20,334 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 13:04:20,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 13:04:20,764 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 13:04:20,765 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 13:04:20,771 INFO L158 Benchmark]: Toolchain (without parser) took 21163.90ms. Allocated memory was 69.2MB in the beginning and 585.1MB in the end (delta: 515.9MB). Free memory was 41.9MB in the beginning and 338.6MB in the end (delta: -296.6MB). Peak memory consumption was 221.0MB. Max. memory is 16.1GB. [2021-12-15 13:04:20,772 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 50.2MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:04:20,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1575.41ms. Allocated memory was 69.2MB in the beginning and 127.9MB in the end (delta: 58.7MB). Free memory was 41.7MB in the beginning and 61.9MB in the end (delta: -20.2MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2021-12-15 13:04:20,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.98ms. Allocated memory is still 127.9MB. Free memory was 61.9MB in the beginning and 72.5MB in the end (delta: -10.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-12-15 13:04:20,779 INFO L158 Benchmark]: Boogie Preprocessor took 140.63ms. Allocated memory is still 127.9MB. Free memory was 72.5MB in the beginning and 57.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 13:04:20,779 INFO L158 Benchmark]: RCFGBuilder took 18685.06ms. Allocated memory was 127.9MB in the beginning and 585.1MB in the end (delta: 457.2MB). Free memory was 57.9MB in the beginning and 370.0MB in the end (delta: -312.2MB). Peak memory consumption was 344.5MB. Max. memory is 16.1GB. [2021-12-15 13:04:20,779 INFO L158 Benchmark]: TraceAbstraction took 584.34ms. Allocated memory is still 585.1MB. Free memory was 369.0MB in the beginning and 338.6MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-15 13:04:20,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 50.2MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1575.41ms. Allocated memory was 69.2MB in the beginning and 127.9MB in the end (delta: 58.7MB). Free memory was 41.7MB in the beginning and 61.9MB in the end (delta: -20.2MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.98ms. Allocated memory is still 127.9MB. Free memory was 61.9MB in the beginning and 72.5MB in the end (delta: -10.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.63ms. Allocated memory is still 127.9MB. Free memory was 72.5MB in the beginning and 57.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 18685.06ms. Allocated memory was 127.9MB in the beginning and 585.1MB in the end (delta: 457.2MB). Free memory was 57.9MB in the beginning and 370.0MB in the end (delta: -312.2MB). Peak memory consumption was 344.5MB. Max. memory is 16.1GB. * TraceAbstraction took 584.34ms. Allocated memory is still 585.1MB. Free memory was 369.0MB in the beginning and 338.6MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. 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 13:04:20,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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