./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.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 439e2b18b5c8692ba75c2dd1a2832266906ae5c2aae78aad464b03f687707761 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:12,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:12,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:12,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:12,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:12,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:12,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:12,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:12,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:12,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:12,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:12,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:12,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:12,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:12,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:12,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:12,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:12,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:12,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:12,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:12,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:12,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:12,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:12,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:12,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:12,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:12,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:12,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:12,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:12,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:12,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:12,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:12,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:12,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:12,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:12,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:12,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:12,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:12,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:12,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:12,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:12,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:33:12,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:12,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:12,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:12,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:12,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:12,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:12,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:12,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:12,757 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:12,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:12,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:33:12,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:12,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:12,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:12,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:12,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:12,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:12,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:12,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:12,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:12,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:12,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:12,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:12,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:12,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:12,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:33:12,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:33:12,761 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:12,761 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:12,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:12,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:12,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 439e2b18b5c8692ba75c2dd1a2832266906ae5c2aae78aad464b03f687707761 [2021-12-15 12:33:12,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:12,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:12,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:12,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:12,968 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:12,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i [2021-12-15 12:33:13,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b63e7fa/5aa7ac101ea148c0a0ece082a2f201bb/FLAG0df307898 [2021-12-15 12:33:13,634 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:13,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i [2021-12-15 12:33:13,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b63e7fa/5aa7ac101ea148c0a0ece082a2f201bb/FLAG0df307898 [2021-12-15 12:33:14,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b63e7fa/5aa7ac101ea148c0a0ece082a2f201bb [2021-12-15 12:33:14,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:14,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:14,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:14,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:14,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:14,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:14" (1/1) ... [2021-12-15 12:33:14,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b47e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:14, skipping insertion in model container [2021-12-15 12:33:14,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:14" (1/1) ... [2021-12-15 12:33:14,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:14,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:15,097 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-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i[187273,187286] [2021-12-15 12:33:15,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:15,441 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:15,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i[187273,187286] [2021-12-15 12:33:15,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:15,784 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:15,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15 WrapperNode [2021-12-15 12:33:15,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:15,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:15,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:15,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:15,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15" (1/1) ... [2021-12-15 12:33:15,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15" (1/1) ... [2021-12-15 12:33:15,966 INFO L137 Inliner]: procedures = 152, calls = 1731, calls flagged for inlining = 66, calls inlined = 53, statements flattened = 2881 [2021-12-15 12:33:15,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:15,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:15,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:15,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:15,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15" (1/1) ... [2021-12-15 12:33:15,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15" (1/1) ... [2021-12-15 12:33:15,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15" (1/1) ... [2021-12-15 12:33:15,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15" (1/1) ... [2021-12-15 12:33:16,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15" (1/1) ... [2021-12-15 12:33:16,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15" (1/1) ... [2021-12-15 12:33:16,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15" (1/1) ... [2021-12-15 12:33:16,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:16,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:16,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:16,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:16,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15" (1/1) ... [2021-12-15 12:33:16,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:16,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:16,157 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 12:33:16,188 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 12:33:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:33:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:33:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:33:16,217 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:33:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_service_main_thread [2021-12-15 12:33:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_service_main_thread [2021-12-15 12:33:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_prepare_command [2021-12-15 12:33:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_prepare_command [2021-12-15 12:33:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-15 12:33:16,219 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-15 12:33:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:33:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_open_generic [2021-12-15 12:33:16,219 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_open_generic [2021-12-15 12:33:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:33:16,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:33:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:33:16,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:33:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2021-12-15 12:33:16,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2021-12-15 12:33:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:33:16,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:33:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:33:16,221 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:33:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:33:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-15 12:33:16,221 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-15 12:33:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure bt_skb_alloc [2021-12-15 12:33:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_skb_alloc [2021-12-15 12:33:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-15 12:33:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-15 12:33:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:33:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:33:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 12:33:16,223 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 12:33:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:33:16,223 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:33:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2021-12-15 12:33:16,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2021-12-15 12:33:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:16,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 12:33:16,224 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 12:33:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 12:33:16,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 12:33:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 12:33:16,225 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 12:33:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 12:33:16,226 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 12:33:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-12-15 12:33:16,226 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-12-15 12:33:16,227 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-15 12:33:16,227 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-15 12:33:16,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:33:16,227 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:33:16,227 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:33:16,227 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 12:33:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 12:33:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:33:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:33:16,594 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:16,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:17,144 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:33:17,144 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 12:33:17,377 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6055: SUMMARY for call #t~ret304#1.base, #t~ret304#1.offset := get_current(); srcloc: null [2021-12-15 12:33:17,377 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6055-1: ~tmp___7~1#1.base, ~tmp___7~1#1.offset := #t~ret304#1.base, #t~ret304#1.offset;havoc #t~ret304#1.base, #t~ret304#1.offset;~__ptr___3~0#1.base, ~__ptr___3~0#1.offset := ~tmp___7~1#1.base, ~tmp___7~1#1.offset; [2021-12-15 12:33:17,377 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2021-12-15 12:33:17,377 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2021-12-15 12:33:17,377 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:33:17,377 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 12:33:17,377 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5979: SUMMARY for call #t~ret294#1.base, #t~ret294#1.offset := get_current(); srcloc: null [2021-12-15 12:33:17,377 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5979-1: ~tmp___1~3#1.base, ~tmp___1~3#1.offset := #t~ret294#1.base, #t~ret294#1.offset;havoc #t~ret294#1.base, #t~ret294#1.offset;~__ptr~0#1.base, ~__ptr~0#1.offset := ~tmp___1~3#1.base, ~tmp___1~3#1.offset; [2021-12-15 12:33:17,385 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:17,987 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2021-12-15 12:33:17,988 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2021-12-15 12:33:18,004 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:33:18,011 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:33:18,012 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-15 12:33:18,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:18 BoogieIcfgContainer [2021-12-15 12:33:18,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:33:18,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:33:18,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:33:18,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:33:18,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:14" (1/3) ... [2021-12-15 12:33:18,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8128d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:18, skipping insertion in model container [2021-12-15 12:33:18,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:15" (2/3) ... [2021-12-15 12:33:18,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8128d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:18, skipping insertion in model container [2021-12-15 12:33:18,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:18" (3/3) ... [2021-12-15 12:33:18,020 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i [2021-12-15 12:33:18,023 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:33:18,023 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:33:18,056 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:33:18,061 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 12:33:18,061 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:33:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 546 states, 402 states have (on average 1.427860696517413) internal successors, (574), 409 states have internal predecessors, (574), 116 states have call successors, (116), 28 states have call predecessors, (116), 28 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2021-12-15 12:33:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-15 12:33:18,085 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:33:18,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:33:18,086 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:33:18,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:33:18,090 INFO L85 PathProgramCache]: Analyzing trace with hash -928700375, now seen corresponding path program 1 times [2021-12-15 12:33:18,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:33:18,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147886018] [2021-12-15 12:33:18,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:33:18,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:33:18,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:33:18,161 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 12:33:18,166 INFO L158 Benchmark]: Toolchain (without parser) took 4103.00ms. Allocated memory was 130.0MB in the beginning and 318.8MB in the end (delta: 188.7MB). Free memory was 92.8MB in the beginning and 179.8MB in the end (delta: -87.0MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. [2021-12-15 12:33:18,167 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:18,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1703.37ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 92.8MB in the beginning and 89.1MB in the end (delta: 3.7MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2021-12-15 12:33:18,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.94ms. Allocated memory is still 174.1MB. Free memory was 89.1MB in the beginning and 117.4MB in the end (delta: -28.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-12-15 12:33:18,168 INFO L158 Benchmark]: Boogie Preprocessor took 134.71ms. Allocated memory is still 174.1MB. Free memory was 117.4MB in the beginning and 102.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:33:18,169 INFO L158 Benchmark]: RCFGBuilder took 1909.68ms. Allocated memory was 174.1MB in the beginning and 318.8MB in the end (delta: 144.7MB). Free memory was 102.7MB in the beginning and 196.6MB in the end (delta: -93.8MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2021-12-15 12:33:18,169 INFO L158 Benchmark]: TraceAbstraction took 150.13ms. Allocated memory is still 318.8MB. Free memory was 196.6MB in the beginning and 179.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:33:18,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1703.37ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 92.8MB in the beginning and 89.1MB in the end (delta: 3.7MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 179.94ms. Allocated memory is still 174.1MB. Free memory was 89.1MB in the beginning and 117.4MB in the end (delta: -28.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 134.71ms. Allocated memory is still 174.1MB. Free memory was 117.4MB in the beginning and 102.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1909.68ms. Allocated memory was 174.1MB in the beginning and 318.8MB in the end (delta: 144.7MB). Free memory was 102.7MB in the beginning and 196.6MB in the end (delta: -93.8MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. * TraceAbstraction took 150.13ms. Allocated memory is still 318.8MB. Free memory was 196.6MB in the beginning and 179.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:33:18,223 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.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 439e2b18b5c8692ba75c2dd1a2832266906ae5c2aae78aad464b03f687707761 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:20,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:20,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:20,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:20,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:20,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:20,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:20,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:20,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:20,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:20,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:20,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:20,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:20,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:20,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:20,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:20,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:20,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:20,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:20,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:20,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:20,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:20,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:20,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:20,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:20,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:20,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:20,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:20,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:20,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:20,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:20,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:20,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:20,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:20,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:20,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:20,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:20,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:20,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:20,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:20,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:20,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:33:20,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:20,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:20,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:20,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:20,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:20,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:20,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:20,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:20,142 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:20,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:20,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:20,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:20,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:20,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:20,143 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:33:20,144 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:33:20,144 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:33:20,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:20,144 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:20,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:20,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:20,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:20,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:20,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:20,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:20,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:20,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:20,145 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:33:20,145 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:33:20,146 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:20,146 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:20,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:20,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:20,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:33:20,146 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 439e2b18b5c8692ba75c2dd1a2832266906ae5c2aae78aad464b03f687707761 [2021-12-15 12:33:20,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:20,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:20,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:20,423 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:20,424 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:20,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i [2021-12-15 12:33:20,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d84cb61/f99845b158e84807bd96838373a42afa/FLAGfb72bd99a [2021-12-15 12:33:21,091 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:21,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i [2021-12-15 12:33:21,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d84cb61/f99845b158e84807bd96838373a42afa/FLAGfb72bd99a [2021-12-15 12:33:21,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d84cb61/f99845b158e84807bd96838373a42afa [2021-12-15 12:33:21,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:21,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:21,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:21,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:21,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:21,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:21" (1/1) ... [2021-12-15 12:33:21,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a22723f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:21, skipping insertion in model container [2021-12-15 12:33:21,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:21" (1/1) ... [2021-12-15 12:33:21,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:21,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:22,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i[187273,187286] [2021-12-15 12:33:22,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:22,853 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:33:22,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:23,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i[187273,187286] [2021-12-15 12:33:23,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:23,077 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:23,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i[187273,187286] [2021-12-15 12:33:23,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:23,390 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:23,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23 WrapperNode [2021-12-15 12:33:23,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:23,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:23,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:23,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:23,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,559 INFO L137 Inliner]: procedures = 158, calls = 1731, calls flagged for inlining = 66, calls inlined = 53, statements flattened = 2808 [2021-12-15 12:33:23,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:23,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:23,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:23,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:23,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:23,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:23,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:23,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:23,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:23,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:23,739 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 12:33:23,757 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 12:33:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:33:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:33:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:33:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:33:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:33:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:33:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:33:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 12:33:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 12:33:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_service_main_thread [2021-12-15 12:33:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_service_main_thread [2021-12-15 12:33:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_prepare_command [2021-12-15 12:33:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_prepare_command [2021-12-15 12:33:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-15 12:33:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-15 12:33:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure btmrvl_open_generic [2021-12-15 12:33:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure btmrvl_open_generic [2021-12-15 12:33:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:33:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:33:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:33:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:33:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2021-12-15 12:33:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2021-12-15 12:33:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:33:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:33:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:33:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:33:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:33:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-15 12:33:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-15 12:33:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure bt_skb_alloc [2021-12-15 12:33:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_skb_alloc [2021-12-15 12:33:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:33:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:33:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 12:33:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 12:33:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:33:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:33:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2021-12-15 12:33:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2021-12-15 12:33:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:33:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:33:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:33:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 12:33:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 12:33:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:33:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 12:33:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 12:33:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 12:33:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 12:33:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 12:33:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 12:33:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-12-15 12:33:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-12-15 12:33:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-15 12:33:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-15 12:33:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:33:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:33:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 12:33:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 12:33:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:33:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:33:24,109 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:24,110 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:27,150 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:33:27,150 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 12:33:30,011 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6055: SUMMARY for call #t~ret304#1.base, #t~ret304#1.offset := get_current(); srcloc: null [2021-12-15 12:33:30,011 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6055-1: ~tmp___7~1#1.base, ~tmp___7~1#1.offset := #t~ret304#1.base, #t~ret304#1.offset;havoc #t~ret304#1.base, #t~ret304#1.offset;~__ptr___3~0#1.base, ~__ptr___3~0#1.offset := ~tmp___7~1#1.base, ~tmp___7~1#1.offset; [2021-12-15 12:33:30,011 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2021-12-15 12:33:30,011 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2021-12-15 12:33:30,011 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:33:30,011 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 12:33:30,012 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5979: SUMMARY for call #t~ret294#1.base, #t~ret294#1.offset := get_current(); srcloc: null [2021-12-15 12:33:30,012 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5979-1: ~tmp___1~3#1.base, ~tmp___1~3#1.offset := #t~ret294#1.base, #t~ret294#1.offset;havoc #t~ret294#1.base, #t~ret294#1.offset;~__ptr~0#1.base, ~__ptr~0#1.offset := ~tmp___1~3#1.base, ~tmp___1~3#1.offset; [2021-12-15 12:33:30,022 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:31,030 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2021-12-15 12:33:31,030 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2021-12-15 12:33:31,055 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:33:31,074 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:33:31,075 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-15 12:33:31,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:31 BoogieIcfgContainer [2021-12-15 12:33:31,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:33:31,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:33:31,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:33:31,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:33:31,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:21" (1/3) ... [2021-12-15 12:33:31,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21891adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:31, skipping insertion in model container [2021-12-15 12:33:31,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23" (2/3) ... [2021-12-15 12:33:31,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21891adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:31, skipping insertion in model container [2021-12-15 12:33:31,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:31" (3/3) ... [2021-12-15 12:33:31,085 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-bluetooth-btmrvl.ko.cil.out.i [2021-12-15 12:33:31,088 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:33:31,089 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:33:31,130 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:33:31,137 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 12:33:31,138 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:33:31,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 546 states, 402 states have (on average 1.427860696517413) internal successors, (574), 409 states have internal predecessors, (574), 116 states have call successors, (116), 28 states have call predecessors, (116), 28 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2021-12-15 12:33:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-15 12:33:31,181 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:33:31,183 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:33:31,183 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:33:31,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:33:31,188 INFO L85 PathProgramCache]: Analyzing trace with hash -928700375, now seen corresponding path program 1 times [2021-12-15 12:33:31,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:33:31,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439788017] [2021-12-15 12:33:31,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:33:31,203 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:33:31,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:33:31,208 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 12:33:31,209 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 12:33:31,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:33:31,610 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 12:33:31,611 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 12:33:31,618 INFO L158 Benchmark]: Toolchain (without parser) took 10070.67ms. Allocated memory was 67.1MB in the beginning and 371.2MB in the end (delta: 304.1MB). Free memory was 46.0MB in the beginning and 202.9MB in the end (delta: -156.9MB). Peak memory consumption was 146.5MB. Max. memory is 16.1GB. [2021-12-15 12:33:31,619 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 32.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:31,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1842.70ms. Allocated memory was 67.1MB in the beginning and 188.7MB in the end (delta: 121.6MB). Free memory was 45.6MB in the beginning and 126.7MB in the end (delta: -81.0MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. [2021-12-15 12:33:31,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 167.80ms. Allocated memory is still 188.7MB. Free memory was 126.7MB in the beginning and 110.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:33:31,621 INFO L158 Benchmark]: Boogie Preprocessor took 150.23ms. Allocated memory is still 188.7MB. Free memory was 110.9MB in the beginning and 96.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:33:31,625 INFO L158 Benchmark]: RCFGBuilder took 7364.98ms. Allocated memory was 188.7MB in the beginning and 371.2MB in the end (delta: 182.5MB). Free memory was 96.3MB in the beginning and 227.8MB in the end (delta: -131.5MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2021-12-15 12:33:31,625 INFO L158 Benchmark]: TraceAbstraction took 538.49ms. Allocated memory is still 371.2MB. Free memory was 226.8MB in the beginning and 202.9MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 12:33:31,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 32.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1842.70ms. Allocated memory was 67.1MB in the beginning and 188.7MB in the end (delta: 121.6MB). Free memory was 45.6MB in the beginning and 126.7MB in the end (delta: -81.0MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 167.80ms. Allocated memory is still 188.7MB. Free memory was 126.7MB in the beginning and 110.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.23ms. Allocated memory is still 188.7MB. Free memory was 110.9MB in the beginning and 96.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 7364.98ms. Allocated memory was 188.7MB in the beginning and 371.2MB in the end (delta: 182.5MB). Free memory was 96.3MB in the beginning and 227.8MB in the end (delta: -131.5MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. * TraceAbstraction took 538.49ms. Allocated memory is still 371.2MB. Free memory was 226.8MB in the beginning and 202.9MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. 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 12:33:31,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable