./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-msp3400.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/usb_urb-drivers-media-video-msp3400.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 4586a44e7983b66c43e8ad4682ac7b78edde6c854efb312bc3e1e944f389fa14 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:57,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:57,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:57,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:57,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:57,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:57,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:57,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:57,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:57,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:57,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:57,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:57,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:57,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:57,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:57,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:57,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:57,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:57,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:57,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:57,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:57,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:57,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:57,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:57,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:57,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:57,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:57,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:57,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:57,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:57,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:57,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:57,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:57,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:57,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:57,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:57,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:57,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:57,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:57,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:57,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:57,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:33:57,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:57,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:57,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:57,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:57,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:57,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:57,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:57,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:57,824 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:57,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:57,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:33:57,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:57,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:57,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:57,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:57,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:57,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:57,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:57,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:57,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:57,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:57,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:57,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:57,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:57,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:57,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:33:57,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:33:57,827 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:57,828 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:57,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:57,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:57,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4586a44e7983b66c43e8ad4682ac7b78edde6c854efb312bc3e1e944f389fa14 [2021-12-15 12:33:58,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:58,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:58,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:58,061 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:58,061 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:58,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-msp3400.ko.cil.out.i [2021-12-15 12:33:58,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6ed5d43/326e4fb78cb647b886523a65777496ae/FLAGa2797adbd [2021-12-15 12:33:58,658 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:58,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-msp3400.ko.cil.out.i [2021-12-15 12:33:58,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6ed5d43/326e4fb78cb647b886523a65777496ae/FLAGa2797adbd [2021-12-15 12:33:58,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6ed5d43/326e4fb78cb647b886523a65777496ae [2021-12-15 12:33:58,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:58,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:58,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:58,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:58,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:58,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:58,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea427c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58, skipping insertion in model container [2021-12-15 12:33:58,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:58,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:58,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:59,747 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/usb_urb-drivers-media-video-msp3400.ko.cil.out.i[204687,204700] [2021-12-15 12:33:59,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:59,998 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:00,188 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/usb_urb-drivers-media-video-msp3400.ko.cil.out.i[204687,204700] [2021-12-15 12:34:00,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:00,434 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:00,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00 WrapperNode [2021-12-15 12:34:00,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:00,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:00,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:00,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:00,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00" (1/1) ... [2021-12-15 12:34:00,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00" (1/1) ... [2021-12-15 12:34:00,610 INFO L137 Inliner]: procedures = 145, calls = 2146, calls flagged for inlining = 58, calls inlined = 46, statements flattened = 3820 [2021-12-15 12:34:00,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:00,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:00,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:00,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:00,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00" (1/1) ... [2021-12-15 12:34:00,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00" (1/1) ... [2021-12-15 12:34:00,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00" (1/1) ... [2021-12-15 12:34:00,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00" (1/1) ... [2021-12-15 12:34:00,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00" (1/1) ... [2021-12-15 12:34:00,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00" (1/1) ... [2021-12-15 12:34:00,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00" (1/1) ... [2021-12-15 12:34:00,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:00,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:00,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:00,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:00,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00" (1/1) ... [2021-12-15 12:34:00,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:00,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:00,800 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 12:34:00,808 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 12:34:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write [2021-12-15 12:34:00,837 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write [2021-12-15 12:34:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_carrier [2021-12-15 12:34:00,837 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_carrier [2021-12-15 12:34:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:34:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_audmode [2021-12-15 12:34:00,837 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_audmode [2021-12-15 12:34:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-12-15 12:34:00,838 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-12-15 12:34:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write_dem [2021-12-15 12:34:00,838 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write_dem [2021-12-15 12:34:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:00,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:34:00,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:34:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2021-12-15 12:34:00,839 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2021-12-15 12:34:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:34:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_mode [2021-12-15 12:34:00,839 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_mode [2021-12-15 12:34:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-12-15 12:34:00,839 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-12-15 12:34:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_set_source [2021-12-15 12:34:00,840 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_set_source [2021-12-15 12:34:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_audmode [2021-12-15 12:34:00,840 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_audmode [2021-12-15 12:34:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-15 12:34:00,840 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-15 12:34:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure msp_update_volume [2021-12-15 12:34:00,841 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_update_volume [2021-12-15 12:34:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_source [2021-12-15 12:34:00,841 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_source [2021-12-15 12:34:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_ctrl [2021-12-15 12:34:00,842 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_ctrl [2021-12-15 12:34:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2021-12-15 12:34:00,842 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2021-12-15 12:34:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure exit_msp [2021-12-15 12:34:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_msp [2021-12-15 12:34:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read_dsp [2021-12-15 12:34:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read_dsp [2021-12-15 12:34:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2021-12-15 12:34:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2021-12-15 12:34:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-15 12:34:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-15 12:34:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure msp_standard_std_name [2021-12-15 12:34:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_standard_std_name [2021-12-15 12:34:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-15 12:34:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-15 12:34:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure msp_reset [2021-12-15 12:34:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_reset [2021-12-15 12:34:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read_dem [2021-12-15 12:34:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read_dem [2021-12-15 12:34:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_set_sources [2021-12-15 12:34:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_set_sources [2021-12-15 12:34:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 12:34:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 12:34:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure msp_detect_stereo [2021-12-15 12:34:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_detect_stereo [2021-12-15 12:34:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure init_msp [2021-12-15 12:34:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure init_msp [2021-12-15 12:34:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure msp_wake_thread [2021-12-15 12:34:00,848 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_wake_thread [2021-12-15 12:34:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:34:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_scart [2021-12-15 12:34:00,848 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_scart [2021-12-15 12:34:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read [2021-12-15 12:34:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read [2021-12-15 12:34:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write_dsp [2021-12-15 12:34:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write_dsp [2021-12-15 12:34:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:34:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:34:01,340 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:01,341 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:01,863 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:01,941 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-12-15 12:34:01,941 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2021-12-15 12:34:01,990 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:02,080 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##59: assume !false; [2021-12-15 12:34:02,081 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume false; [2021-12-15 12:34:02,084 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:02,102 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-12-15 12:34:02,103 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-12-15 12:34:02,108 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:02,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume !false; [2021-12-15 12:34:02,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume false; [2021-12-15 12:34:02,401 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:02,402 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:02,406 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:04,096 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2021-12-15 12:34:04,097 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2021-12-15 12:34:04,097 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-12-15 12:34:04,098 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-12-15 12:34:04,098 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2021-12-15 12:34:04,098 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2021-12-15 12:34:04,128 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:34:04,143 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:34:04,144 INFO L301 CfgBuilder]: Removed 38 assume(true) statements. [2021-12-15 12:34:04,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:04 BoogieIcfgContainer [2021-12-15 12:34:04,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:34:04,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:34:04,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:34:04,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:34:04,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:58" (1/3) ... [2021-12-15 12:34:04,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb5c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:04, skipping insertion in model container [2021-12-15 12:34:04,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:00" (2/3) ... [2021-12-15 12:34:04,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb5c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:04, skipping insertion in model container [2021-12-15 12:34:04,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:04" (3/3) ... [2021-12-15 12:34:04,154 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-video-msp3400.ko.cil.out.i [2021-12-15 12:34:04,159 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:34:04,159 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:34:04,199 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:34:04,205 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 12:34:04,205 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:34:04,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 1006 states, 754 states have (on average 1.4442970822281167) internal successors, (1089), 769 states have internal predecessors, (1089), 215 states have call successors, (215), 35 states have call predecessors, (215), 35 states have return successors, (215), 211 states have call predecessors, (215), 215 states have call successors, (215) [2021-12-15 12:34:04,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-15 12:34:04,245 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:34:04,245 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:34:04,251 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:34:04,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:34:04,255 INFO L85 PathProgramCache]: Analyzing trace with hash -2120415902, now seen corresponding path program 1 times [2021-12-15 12:34:04,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:34:04,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784953833] [2021-12-15 12:34:04,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:34:04,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:34:04,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:34:04,400 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 12:34:04,404 INFO L158 Benchmark]: Toolchain (without parser) took 5524.45ms. Allocated memory was 107.0MB in the beginning and 524.3MB in the end (delta: 417.3MB). Free memory was 80.8MB in the beginning and 336.1MB in the end (delta: -255.4MB). Peak memory consumption was 162.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:04,405 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 81.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:04,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1555.46ms. Allocated memory was 107.0MB in the beginning and 243.3MB in the end (delta: 136.3MB). Free memory was 80.7MB in the beginning and 175.3MB in the end (delta: -94.7MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2021-12-15 12:34:04,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.39ms. Allocated memory is still 243.3MB. Free memory was 175.3MB in the beginning and 154.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:04,406 INFO L158 Benchmark]: Boogie Preprocessor took 163.40ms. Allocated memory is still 243.3MB. Free memory was 154.4MB in the beginning and 130.1MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 12:34:04,406 INFO L158 Benchmark]: RCFGBuilder took 3371.57ms. Allocated memory was 243.3MB in the beginning and 524.3MB in the end (delta: 281.0MB). Free memory was 129.2MB in the beginning and 363.4MB in the end (delta: -234.2MB). Peak memory consumption was 199.1MB. Max. memory is 16.1GB. [2021-12-15 12:34:04,407 INFO L158 Benchmark]: TraceAbstraction took 254.62ms. Allocated memory is still 524.3MB. Free memory was 363.4MB in the beginning and 336.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 12:34:04,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 81.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1555.46ms. Allocated memory was 107.0MB in the beginning and 243.3MB in the end (delta: 136.3MB). Free memory was 80.7MB in the beginning and 175.3MB in the end (delta: -94.7MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.39ms. Allocated memory is still 243.3MB. Free memory was 175.3MB in the beginning and 154.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 163.40ms. Allocated memory is still 243.3MB. Free memory was 154.4MB in the beginning and 130.1MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3371.57ms. Allocated memory was 243.3MB in the beginning and 524.3MB in the end (delta: 281.0MB). Free memory was 129.2MB in the beginning and 363.4MB in the end (delta: -234.2MB). Peak memory consumption was 199.1MB. Max. memory is 16.1GB. * TraceAbstraction took 254.62ms. Allocated memory is still 524.3MB. Free memory was 363.4MB in the beginning and 336.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. 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 12:34:04,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-msp3400.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 4586a44e7983b66c43e8ad4682ac7b78edde6c854efb312bc3e1e944f389fa14 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:06,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:06,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:06,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:06,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:06,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:06,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:06,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:06,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:06,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:06,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:06,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:06,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:06,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:06,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:06,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:06,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:06,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:06,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:06,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:06,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:06,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:06,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:06,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:06,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:06,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:06,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:06,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:06,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:06,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:06,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:06,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:06,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:06,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:06,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:06,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:06,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:06,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:06,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:06,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:06,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:06,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:34:06,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:06,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:06,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:06,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:06,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:06,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:06,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:06,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:06,198 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:06,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:06,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:06,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:06,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:06,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:06,199 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:34:06,199 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:34:06,199 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:34:06,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:06,200 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:06,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:06,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:06,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:06,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:06,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:06,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:06,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:06,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:06,201 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:34:06,201 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:34:06,201 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:06,201 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:06,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:06,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:06,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:34:06,202 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4586a44e7983b66c43e8ad4682ac7b78edde6c854efb312bc3e1e944f389fa14 [2021-12-15 12:34:06,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:06,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:06,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:06,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:06,497 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:06,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-msp3400.ko.cil.out.i [2021-12-15 12:34:06,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fd6f4fd8/76d922abb5aa4dcb99ed6c83b807f63b/FLAG8782430e7 [2021-12-15 12:34:07,129 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:07,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-msp3400.ko.cil.out.i [2021-12-15 12:34:07,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fd6f4fd8/76d922abb5aa4dcb99ed6c83b807f63b/FLAG8782430e7 [2021-12-15 12:34:07,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fd6f4fd8/76d922abb5aa4dcb99ed6c83b807f63b [2021-12-15 12:34:07,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:07,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:07,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:07,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:07,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:07,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:07" (1/1) ... [2021-12-15 12:34:07,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e618b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:07, skipping insertion in model container [2021-12-15 12:34:07,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:07" (1/1) ... [2021-12-15 12:34:07,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:07,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:08,297 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/usb_urb-drivers-media-video-msp3400.ko.cil.out.i[204687,204700] [2021-12-15 12:34:08,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:08,502 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:34:08,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:08,684 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/usb_urb-drivers-media-video-msp3400.ko.cil.out.i[204687,204700] [2021-12-15 12:34:08,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:08,790 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:08,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-msp3400.ko.cil.out.i[204687,204700] [2021-12-15 12:34:09,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:09,279 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:09,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09 WrapperNode [2021-12-15 12:34:09,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:09,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:09,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:09,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:09,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09" (1/1) ... [2021-12-15 12:34:09,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09" (1/1) ... [2021-12-15 12:34:09,451 INFO L137 Inliner]: procedures = 154, calls = 2146, calls flagged for inlining = 58, calls inlined = 46, statements flattened = 3727 [2021-12-15 12:34:09,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:09,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:09,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:09,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:09,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09" (1/1) ... [2021-12-15 12:34:09,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09" (1/1) ... [2021-12-15 12:34:09,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09" (1/1) ... [2021-12-15 12:34:09,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09" (1/1) ... [2021-12-15 12:34:09,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09" (1/1) ... [2021-12-15 12:34:09,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09" (1/1) ... [2021-12-15 12:34:09,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09" (1/1) ... [2021-12-15 12:34:09,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:09,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:09,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:09,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:09,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09" (1/1) ... [2021-12-15 12:34:09,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:09,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:09,649 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 12:34:09,656 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 12:34:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:34:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write [2021-12-15 12:34:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write [2021-12-15 12:34:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:34:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_carrier [2021-12-15 12:34:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_carrier [2021-12-15 12:34:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:34:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:34:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_audmode [2021-12-15 12:34:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_audmode [2021-12-15 12:34:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-12-15 12:34:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-12-15 12:34:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write_dem [2021-12-15 12:34:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write_dem [2021-12-15 12:34:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:34:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:34:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2021-12-15 12:34:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2021-12-15 12:34:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_mode [2021-12-15 12:34:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_mode [2021-12-15 12:34:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-12-15 12:34:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-12-15 12:34:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_set_source [2021-12-15 12:34:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_set_source [2021-12-15 12:34:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_audmode [2021-12-15 12:34:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_audmode [2021-12-15 12:34:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-15 12:34:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-15 12:34:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure msp_update_volume [2021-12-15 12:34:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_update_volume [2021-12-15 12:34:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_source [2021-12-15 12:34:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_source [2021-12-15 12:34:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_ctrl [2021-12-15 12:34:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_ctrl [2021-12-15 12:34:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2021-12-15 12:34:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2021-12-15 12:34:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure exit_msp [2021-12-15 12:34:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_msp [2021-12-15 12:34:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read_dsp [2021-12-15 12:34:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read_dsp [2021-12-15 12:34:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2021-12-15 12:34:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2021-12-15 12:34:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-15 12:34:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-15 12:34:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure msp_standard_std_name [2021-12-15 12:34:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_standard_std_name [2021-12-15 12:34:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-15 12:34:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-15 12:34:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:34:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:34:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:34:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:34:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:34:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:34:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure msp_reset [2021-12-15 12:34:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_reset [2021-12-15 12:34:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read_dem [2021-12-15 12:34:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read_dem [2021-12-15 12:34:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_set_sources [2021-12-15 12:34:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_set_sources [2021-12-15 12:34:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:34:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 12:34:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 12:34:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure msp_detect_stereo [2021-12-15 12:34:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_detect_stereo [2021-12-15 12:34:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure init_msp [2021-12-15 12:34:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure init_msp [2021-12-15 12:34:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure msp_wake_thread [2021-12-15 12:34:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_wake_thread [2021-12-15 12:34:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_scart [2021-12-15 12:34:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_scart [2021-12-15 12:34:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read [2021-12-15 12:34:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read [2021-12-15 12:34:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write_dsp [2021-12-15 12:34:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write_dsp [2021-12-15 12:34:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:34:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:34:10,184 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:10,186 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:11,119 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:11,286 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2021-12-15 12:34:11,286 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2021-12-15 12:34:11,327 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:11,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume !false; [2021-12-15 12:34:11,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume false; [2021-12-15 12:34:14,644 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:15,446 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##59: assume !false; [2021-12-15 12:34:15,446 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume false; [2021-12-15 12:34:15,459 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:15,663 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-12-15 12:34:15,663 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-12-15 12:34:18,963 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:18,964 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:18,967 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:33,489 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2021-12-15 12:34:33,489 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2021-12-15 12:34:33,490 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-12-15 12:34:33,490 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-12-15 12:34:33,490 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2021-12-15 12:34:33,490 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2021-12-15 12:34:33,546 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:34:33,561 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:34:33,561 INFO L301 CfgBuilder]: Removed 38 assume(true) statements. [2021-12-15 12:34:33,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:33 BoogieIcfgContainer [2021-12-15 12:34:33,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:34:33,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:34:33,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:34:33,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:34:33,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:34:07" (1/3) ... [2021-12-15 12:34:33,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f03b667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:33, skipping insertion in model container [2021-12-15 12:34:33,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:09" (2/3) ... [2021-12-15 12:34:33,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f03b667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:33, skipping insertion in model container [2021-12-15 12:34:33,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:33" (3/3) ... [2021-12-15 12:34:33,569 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-video-msp3400.ko.cil.out.i [2021-12-15 12:34:33,578 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:34:33,578 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:34:33,615 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:34:33,621 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 12:34:33,622 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:34:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 1006 states, 754 states have (on average 1.4442970822281167) internal successors, (1089), 769 states have internal predecessors, (1089), 215 states have call successors, (215), 35 states have call predecessors, (215), 35 states have return successors, (215), 211 states have call predecessors, (215), 215 states have call successors, (215) [2021-12-15 12:34:33,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-15 12:34:33,658 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:34:33,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:34:33,659 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:34:33,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:34:33,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1840078545, now seen corresponding path program 1 times [2021-12-15 12:34:33,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:34:33,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411520088] [2021-12-15 12:34:33,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:34:33,677 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:34:33,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:34:33,680 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 12:34:33,699 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 12:34:33,992 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 12:34:34,190 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 12:34:34,190 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 12:34:34,193 INFO L158 Benchmark]: Toolchain (without parser) took 26889.08ms. Allocated memory was 69.2MB in the beginning and 417.3MB in the end (delta: 348.1MB). Free memory was 37.6MB in the beginning and 115.3MB in the end (delta: -77.7MB). Peak memory consumption was 271.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,194 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:34,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1974.55ms. Allocated memory was 69.2MB in the beginning and 251.7MB in the end (delta: 182.5MB). Free memory was 37.4MB in the beginning and 158.3MB in the end (delta: -120.9MB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.62ms. Allocated memory is still 251.7MB. Free memory was 157.2MB in the beginning and 136.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,195 INFO L158 Benchmark]: Boogie Preprocessor took 172.20ms. Allocated memory is still 251.7MB. Free memory was 136.3MB in the beginning and 109.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,195 INFO L158 Benchmark]: RCFGBuilder took 23938.01ms. Allocated memory was 251.7MB in the beginning and 417.3MB in the end (delta: 165.7MB). Free memory was 109.0MB in the beginning and 157.2MB in the end (delta: -48.2MB). Peak memory consumption was 195.4MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,196 INFO L158 Benchmark]: TraceAbstraction took 627.94ms. Allocated memory is still 417.3MB. Free memory was 156.2MB in the beginning and 115.3MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:34,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1974.55ms. Allocated memory was 69.2MB in the beginning and 251.7MB in the end (delta: 182.5MB). Free memory was 37.4MB in the beginning and 158.3MB in the end (delta: -120.9MB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.62ms. Allocated memory is still 251.7MB. Free memory was 157.2MB in the beginning and 136.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 172.20ms. Allocated memory is still 251.7MB. Free memory was 136.3MB in the beginning and 109.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 23938.01ms. Allocated memory was 251.7MB in the beginning and 417.3MB in the end (delta: 165.7MB). Free memory was 109.0MB in the beginning and 157.2MB in the end (delta: -48.2MB). Peak memory consumption was 195.4MB. Max. memory is 16.1GB. * TraceAbstraction took 627.94ms. Allocated memory is still 417.3MB. Free memory was 156.2MB in the beginning and 115.3MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:34:34,405 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-15 12:34:34,421 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