./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c2ae4f9e22cc68a37a2a30aa0a104b47e23e2c796ef551349d7d369f3cb3d78 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:15:59,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:15:59,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:15:59,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:15:59,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:15:59,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:15:59,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:15:59,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:15:59,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:15:59,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:15:59,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:15:59,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:15:59,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:15:59,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:15:59,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:15:59,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:15:59,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:15:59,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:15:59,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:15:59,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:15:59,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:15:59,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:15:59,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:15:59,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:15:59,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:15:59,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:15:59,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:15:59,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:15:59,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:15:59,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:15:59,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:15:59,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:15:59,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:15:59,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:15:59,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:15:59,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:15:59,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:15:59,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:15:59,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:15:59,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:15:59,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:15:59,641 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:15:59,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:15:59,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:15:59,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:15:59,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:15:59,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:15:59,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:15:59,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:15:59,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:15:59,660 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:15:59,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:15:59,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:15:59,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:15:59,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:15:59,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:15:59,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:15:59,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:15:59,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:15:59,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:15:59,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:15:59,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:15:59,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:15:59,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:15:59,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:15:59,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:15:59,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:15:59,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:15:59,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:15:59,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:15:59,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:15:59,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:15:59,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:15:59,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c2ae4f9e22cc68a37a2a30aa0a104b47e23e2c796ef551349d7d369f3cb3d78 [2021-12-15 13:15:59,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:15:59,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:15:59,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:15:59,869 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:15:59,870 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:15:59,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2021-12-15 13:15:59,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/915bb72e6/7b1e4bffc64d40b5a99aff1a7f4449ec/FLAG186b06ba5 [2021-12-15 13:16:00,490 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:16:00,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2021-12-15 13:16:00,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/915bb72e6/7b1e4bffc64d40b5a99aff1a7f4449ec/FLAG186b06ba5 [2021-12-15 13:16:00,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/915bb72e6/7b1e4bffc64d40b5a99aff1a7f4449ec [2021-12-15 13:16:00,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:16:00,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:16:00,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:16:00,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:16:00,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:16:00,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:16:00" (1/1) ... [2021-12-15 13:16:00,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69551aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:00, skipping insertion in model container [2021-12-15 13:16:00,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:16:00" (1/1) ... [2021-12-15 13:16:00,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:16:01,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:16:01,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i[239090,239103] [2021-12-15 13:16:02,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:16:02,086 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:16:02,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i[239090,239103] [2021-12-15 13:16:02,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:16:02,390 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:16:02,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:02 WrapperNode [2021-12-15 13:16:02,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:16:02,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:16:02,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:16:02,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:16:02,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:02" (1/1) ... [2021-12-15 13:16:02,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:02" (1/1) ... [2021-12-15 13:16:02,515 INFO L137 Inliner]: procedures = 170, calls = 847, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1558 [2021-12-15 13:16:02,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:16:02,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:16:02,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:16:02,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:16:02,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:02" (1/1) ... [2021-12-15 13:16:02,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:02" (1/1) ... [2021-12-15 13:16:02,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:02" (1/1) ... [2021-12-15 13:16:02,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:02" (1/1) ... [2021-12-15 13:16:02,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:02" (1/1) ... [2021-12-15 13:16:02,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:02" (1/1) ... [2021-12-15 13:16:02,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:02" (1/1) ... [2021-12-15 13:16:02,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:16:02,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:16:02,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:16:02,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:16:02,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:02" (1/1) ... [2021-12-15 13:16:02,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:16:02,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:16:02,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:16:02,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:16:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:16:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_power_ctrl [2021-12-15 13:16:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_power_ctrl [2021-12-15 13:16:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:16:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:16:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:16:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:16:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:16:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:16:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:16:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:16:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:16:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2021-12-15 13:16:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2021-12-15 13:16:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:16:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:16:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2021-12-15 13:16:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2021-12-15 13:16:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:16:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:16:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:16:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:16:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:16:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:16:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:16:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_rw [2021-12-15 13:16:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_rw [2021-12-15 13:16:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-12-15 13:16:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-12-15 13:16:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:16:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:16:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:16:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:16:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2021-12-15 13:16:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2021-12-15 13:16:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:16:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_rc_query [2021-12-15 13:16:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_rc_query [2021-12-15 13:16:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:16:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:16:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:16:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:16:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:16:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:16:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:16:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:16:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-15 13:16:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-15 13:16:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:16:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:16:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:16:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:16:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_xfer [2021-12-15 13:16:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_xfer [2021-12-15 13:16:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:16:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:16:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-15 13:16:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-15 13:16:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:16:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2021-12-15 13:16:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2021-12-15 13:16:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:16:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:16:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:16:03,154 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:16:03,155 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:16:03,447 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:16:03,450 INFO L158 Benchmark]: Toolchain (without parser) took 2506.00ms. Allocated memory was 92.3MB in the beginning and 188.7MB in the end (delta: 96.5MB). Free memory was 51.7MB in the beginning and 80.1MB in the end (delta: -28.4MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. [2021-12-15 13:16:03,451 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:16:03,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1447.56ms. Allocated memory was 92.3MB in the beginning and 188.7MB in the end (delta: 96.5MB). Free memory was 51.4MB in the beginning and 98.2MB in the end (delta: -46.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2021-12-15 13:16:03,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.50ms. Allocated memory is still 188.7MB. Free memory was 98.2MB in the beginning and 87.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:16:03,452 INFO L158 Benchmark]: Boogie Preprocessor took 133.12ms. Allocated memory is still 188.7MB. Free memory was 87.8MB in the beginning and 116.9MB in the end (delta: -29.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-12-15 13:16:03,452 INFO L158 Benchmark]: RCFGBuilder took 798.81ms. Allocated memory is still 188.7MB. Free memory was 116.9MB in the beginning and 80.1MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 13:16:03,454 INFO L339 ainManager$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 92.3MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1447.56ms. Allocated memory was 92.3MB in the beginning and 188.7MB in the end (delta: 96.5MB). Free memory was 51.4MB in the beginning and 98.2MB in the end (delta: -46.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.50ms. Allocated memory is still 188.7MB. Free memory was 98.2MB in the beginning and 87.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.12ms. Allocated memory is still 188.7MB. Free memory was 87.8MB in the beginning and 116.9MB in the end (delta: -29.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * RCFGBuilder took 798.81ms. Allocated memory is still 188.7MB. Free memory was 116.9MB in the beginning and 80.1MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:16:03,486 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c2ae4f9e22cc68a37a2a30aa0a104b47e23e2c796ef551349d7d369f3cb3d78 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:16:05,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:16:05,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:16:05,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:16:05,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:16:05,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:16:05,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:16:05,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:16:05,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:16:05,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:16:05,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:16:05,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:16:05,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:16:05,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:16:05,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:16:05,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:16:05,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:16:05,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:16:05,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:16:05,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:16:05,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:16:05,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:16:05,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:16:05,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:16:05,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:16:05,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:16:05,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:16:05,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:16:05,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:16:05,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:16:05,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:16:05,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:16:05,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:16:05,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:16:05,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:16:05,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:16:05,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:16:05,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:16:05,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:16:05,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:16:05,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:16:05,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:16:05,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:16:05,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:16:05,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:16:05,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:16:05,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:16:05,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:16:05,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:16:05,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:16:05,349 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:16:05,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:16:05,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:16:05,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:16:05,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:16:05,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:16:05,350 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:16:05,351 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:16:05,351 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:16:05,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:16:05,351 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:16:05,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:16:05,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:16:05,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:16:05,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:16:05,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:16:05,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:16:05,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:16:05,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:16:05,352 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:16:05,352 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:16:05,352 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:16:05,352 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:16:05,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:16:05,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:16:05,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:16:05,353 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c2ae4f9e22cc68a37a2a30aa0a104b47e23e2c796ef551349d7d369f3cb3d78 [2021-12-15 13:16:05,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:16:05,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:16:05,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:16:05,656 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:16:05,657 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:16:05,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2021-12-15 13:16:05,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8561bd13d/5d221577dad3425cac1f0be9fcac0df4/FLAGc5293334c [2021-12-15 13:16:06,321 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:16:06,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2021-12-15 13:16:06,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8561bd13d/5d221577dad3425cac1f0be9fcac0df4/FLAGc5293334c [2021-12-15 13:16:06,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8561bd13d/5d221577dad3425cac1f0be9fcac0df4 [2021-12-15 13:16:06,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:16:06,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:16:06,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:16:06,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:16:06,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:16:06,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:16:06" (1/1) ... [2021-12-15 13:16:06,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5878cdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:06, skipping insertion in model container [2021-12-15 13:16:06,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:16:06" (1/1) ... [2021-12-15 13:16:06,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:16:06,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:16:07,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i[239090,239103] [2021-12-15 13:16:07,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:16:07,688 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:16:07,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:16:07,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i[239090,239103] [2021-12-15 13:16:07,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:16:07,942 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:16:08,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i[239090,239103] [2021-12-15 13:16:08,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:16:08,319 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:16:08,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:08 WrapperNode [2021-12-15 13:16:08,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:16:08,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:16:08,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:16:08,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:16:08,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:08" (1/1) ... [2021-12-15 13:16:08,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:08" (1/1) ... [2021-12-15 13:16:08,465 INFO L137 Inliner]: procedures = 185, calls = 847, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1505 [2021-12-15 13:16:08,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:16:08,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:16:08,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:16:08,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:16:08,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:08" (1/1) ... [2021-12-15 13:16:08,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:08" (1/1) ... [2021-12-15 13:16:08,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:08" (1/1) ... [2021-12-15 13:16:08,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:08" (1/1) ... [2021-12-15 13:16:08,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:08" (1/1) ... [2021-12-15 13:16:08,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:08" (1/1) ... [2021-12-15 13:16:08,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:08" (1/1) ... [2021-12-15 13:16:08,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:16:08,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:16:08,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:16:08,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:16:08,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:08" (1/1) ... [2021-12-15 13:16:08,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:16:08,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:16:08,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:16:08,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:16:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:16:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:16:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_power_ctrl [2021-12-15 13:16:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_power_ctrl [2021-12-15 13:16:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:16:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:16:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:16:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:16:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:16:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:16:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:16:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:16:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:16:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:16:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2021-12-15 13:16:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2021-12-15 13:16:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:16:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:16:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2021-12-15 13:16:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2021-12-15 13:16:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:16:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:16:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:16:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:16:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:16:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:16:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:16:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:16:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_rw [2021-12-15 13:16:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_rw [2021-12-15 13:16:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:16:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-12-15 13:16:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-12-15 13:16:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:16:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:16:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:16:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:16:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:16:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2021-12-15 13:16:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2021-12-15 13:16:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:16:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_rc_query [2021-12-15 13:16:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_rc_query [2021-12-15 13:16:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:16:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:16:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:16:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:16:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:16:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:16:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:16:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:16:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:16:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:16:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:16:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-15 13:16:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-15 13:16:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:16:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:16:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:16:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:16:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:16:08,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:16:08,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:16:08,678 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_xfer [2021-12-15 13:16:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_xfer [2021-12-15 13:16:08,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:16:08,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:16:08,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:16:08,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:16:08,679 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:16:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:16:08,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-15 13:16:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-15 13:16:08,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:16:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2021-12-15 13:16:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2021-12-15 13:16:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:16:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:16:09,085 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:16:09,087 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:16:09,145 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:16:09,148 INFO L158 Benchmark]: Toolchain (without parser) took 2633.33ms. Allocated memory was 58.7MB in the beginning and 161.5MB in the end (delta: 102.8MB). Free memory was 39.2MB in the beginning and 75.5MB in the end (delta: -36.3MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2021-12-15 13:16:09,152 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:16:09,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1805.11ms. Allocated memory was 58.7MB in the beginning and 161.5MB in the end (delta: 102.8MB). Free memory was 39.0MB in the beginning and 90.1MB in the end (delta: -51.1MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2021-12-15 13:16:09,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.25ms. Allocated memory is still 161.5MB. Free memory was 90.1MB in the beginning and 79.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:16:09,157 INFO L158 Benchmark]: Boogie Preprocessor took 130.25ms. Allocated memory is still 161.5MB. Free memory was 79.6MB in the beginning and 67.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:16:09,157 INFO L158 Benchmark]: RCFGBuilder took 550.27ms. Allocated memory is still 161.5MB. Free memory was 67.1MB in the beginning and 75.5MB in the end (delta: -8.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-12-15 13:16:09,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1805.11ms. Allocated memory was 58.7MB in the beginning and 161.5MB in the end (delta: 102.8MB). Free memory was 39.0MB in the beginning and 90.1MB in the end (delta: -51.1MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.25ms. Allocated memory is still 161.5MB. Free memory was 90.1MB in the beginning and 79.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.25ms. Allocated memory is still 161.5MB. Free memory was 79.6MB in the beginning and 67.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 550.27ms. Allocated memory is still 161.5MB. Free memory was 67.1MB in the beginning and 75.5MB in the end (delta: -8.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:16:09,196 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