./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.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-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.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 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:56:06,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:56:06,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:56:06,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:56:06,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:56:06,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:56:06,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:56:06,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:56:06,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:56:06,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:56:06,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:56:06,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:56:06,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:56:06,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:56:06,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:56:06,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:56:06,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:56:06,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:56:06,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:56:06,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:56:06,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:56:06,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:56:06,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:56:06,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:56:06,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:56:06,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:56:06,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:56:06,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:56:06,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:56:06,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:56:06,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:56:06,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:56:06,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:56:06,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:56:06,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:56:06,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:56:06,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:56:06,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:56:06,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:56:06,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:56:06,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:56:06,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:56:06,760 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:56:06,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:56:06,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:56:06,761 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:56:06,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:56:06,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:56:06,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:56:06,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:56:06,763 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:56:06,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:56:06,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:56:06,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:56:06,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:56:06,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:56:06,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:56:06,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:56:06,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:56:06,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:56:06,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:56:06,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:56:06,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:56:06,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:06,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:56:06,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:56:06,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:56:06,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:56:06,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:56:06,769 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:56:06,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:56:06,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:56:06,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:56:06,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 [2021-12-15 12:56:07,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:56:07,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:56:07,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:56:07,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:56:07,037 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:56:07,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2021-12-15 12:56:07,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f4dbe30/c820083826b048d195a425ff9c80ac16/FLAG52b683c69 [2021-12-15 12:56:07,730 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:56:07,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2021-12-15 12:56:07,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f4dbe30/c820083826b048d195a425ff9c80ac16/FLAG52b683c69 [2021-12-15 12:56:07,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f4dbe30/c820083826b048d195a425ff9c80ac16 [2021-12-15 12:56:07,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:56:07,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:56:07,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:07,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:56:07,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:56:07,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:07" (1/1) ... [2021-12-15 12:56:07,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b342ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:07, skipping insertion in model container [2021-12-15 12:56:07,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:07" (1/1) ... [2021-12-15 12:56:07,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:56:08,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:08,961 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-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2021-12-15 12:56:09,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:09,052 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:56:09,303 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-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2021-12-15 12:56:09,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:09,369 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:56:09,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09 WrapperNode [2021-12-15 12:56:09,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:09,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:09,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:56:09,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:56:09,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09" (1/1) ... [2021-12-15 12:56:09,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09" (1/1) ... [2021-12-15 12:56:09,517 INFO L137 Inliner]: procedures = 183, calls = 869, calls flagged for inlining = 82, calls inlined = 60, statements flattened = 1442 [2021-12-15 12:56:09,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:09,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:56:09,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:56:09,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:56:09,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09" (1/1) ... [2021-12-15 12:56:09,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09" (1/1) ... [2021-12-15 12:56:09,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09" (1/1) ... [2021-12-15 12:56:09,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09" (1/1) ... [2021-12-15 12:56:09,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09" (1/1) ... [2021-12-15 12:56:09,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09" (1/1) ... [2021-12-15 12:56:09,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09" (1/1) ... [2021-12-15 12:56:09,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:56:09,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:56:09,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:56:09,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:56:09,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09" (1/1) ... [2021-12-15 12:56:09,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:09,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:56:09,777 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 12:56:09,797 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 12:56:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 12:56:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 12:56:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:56:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2021-12-15 12:56:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2021-12-15 12:56:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:56:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2021-12-15 12:56:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2021-12-15 12:56:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2021-12-15 12:56:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2021-12-15 12:56:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:56:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:56:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-15 12:56:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-15 12:56:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:56:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:56:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-15 12:56:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-15 12:56:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:56:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:56:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:56:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-15 12:56:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-15 12:56:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:56:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:56:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-15 12:56:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-15 12:56:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:56:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 12:56:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 12:56:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:56:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:56:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:56:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-15 12:56:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-15 12:56:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 12:56:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 12:56:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:56:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:56:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 12:56:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 12:56:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2021-12-15 12:56:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2021-12-15 12:56:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2021-12-15 12:56:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2021-12-15 12:56:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-15 12:56:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-15 12:56:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:56:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-15 12:56:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-15 12:56:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2021-12-15 12:56:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2021-12-15 12:56:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2021-12-15 12:56:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2021-12-15 12:56:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 12:56:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 12:56:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:56:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2021-12-15 12:56:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2021-12-15 12:56:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:56:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-15 12:56:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-15 12:56:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2021-12-15 12:56:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2021-12-15 12:56:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2021-12-15 12:56:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2021-12-15 12:56:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 12:56:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 12:56:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 12:56:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 12:56:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 12:56:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 12:56:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:56:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:56:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-15 12:56:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-15 12:56:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-15 12:56:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-15 12:56:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:56:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:56:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:56:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:56:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:56:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:56:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:56:10,377 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:56:10,379 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:56:11,976 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:56:11,986 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:56:11,986 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:56:11,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:56:11 BoogieIcfgContainer [2021-12-15 12:56:11,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:56:11,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:56:11,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:56:11,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:56:11,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:56:07" (1/3) ... [2021-12-15 12:56:11,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbb410e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:56:11, skipping insertion in model container [2021-12-15 12:56:11,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:09" (2/3) ... [2021-12-15 12:56:11,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbb410e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:56:11, skipping insertion in model container [2021-12-15 12:56:11,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:56:11" (3/3) ... [2021-12-15 12:56:11,996 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2021-12-15 12:56:12,000 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:56:12,001 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:56:12,055 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:56:12,064 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 12:56:12,065 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:56:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 559 states, 383 states have (on average 1.268929503916449) internal successors, (486), 398 states have internal predecessors, (486), 138 states have call successors, (138), 36 states have call predecessors, (138), 36 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2021-12-15 12:56:12,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-15 12:56:12,132 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:56:12,132 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:56:12,133 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:56:12,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:56:12,138 INFO L85 PathProgramCache]: Analyzing trace with hash -12068827, now seen corresponding path program 1 times [2021-12-15 12:56:12,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:56:12,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037783631] [2021-12-15 12:56:12,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:56:12,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:56:12,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:56:12,283 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 12:56:12,289 INFO L158 Benchmark]: Toolchain (without parser) took 4398.80ms. Allocated memory was 90.2MB in the beginning and 218.1MB in the end (delta: 127.9MB). Free memory was 49.7MB in the beginning and 144.1MB in the end (delta: -94.4MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2021-12-15 12:56:12,289 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:56:12,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1482.07ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 49.5MB in the beginning and 54.7MB in the end (delta: -5.2MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2021-12-15 12:56:12,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.46ms. Allocated memory is still 111.1MB. Free memory was 54.7MB in the beginning and 44.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:56:12,291 INFO L158 Benchmark]: Boogie Preprocessor took 219.55ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 44.2MB in the beginning and 89.6MB in the end (delta: -45.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-12-15 12:56:12,292 INFO L158 Benchmark]: RCFGBuilder took 2249.99ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 89.6MB in the beginning and 85.9MB in the end (delta: 3.7MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2021-12-15 12:56:12,292 INFO L158 Benchmark]: TraceAbstraction took 297.20ms. Allocated memory is still 218.1MB. Free memory was 84.9MB in the beginning and 144.1MB in the end (delta: -59.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:56:12,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1482.07ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 49.5MB in the beginning and 54.7MB in the end (delta: -5.2MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.46ms. Allocated memory is still 111.1MB. Free memory was 54.7MB in the beginning and 44.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 219.55ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 44.2MB in the beginning and 89.6MB in the end (delta: -45.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2249.99ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 89.6MB in the beginning and 85.9MB in the end (delta: 3.7MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. * TraceAbstraction took 297.20ms. Allocated memory is still 218.1MB. Free memory was 84.9MB in the beginning and 144.1MB in the end (delta: -59.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:56:12,335 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-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.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 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:56:14,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:56:14,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:56:14,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:56:14,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:56:14,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:56:14,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:56:14,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:56:14,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:56:14,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:56:14,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:56:14,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:56:14,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:56:14,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:56:14,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:56:14,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:56:14,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:56:14,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:56:14,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:56:14,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:56:14,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:56:14,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:56:14,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:56:14,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:56:14,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:56:14,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:56:14,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:56:14,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:56:14,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:56:14,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:56:14,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:56:14,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:56:14,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:56:14,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:56:14,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:56:14,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:56:14,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:56:14,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:56:14,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:56:14,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:56:14,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:56:14,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:56:14,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:56:14,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:56:14,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:56:14,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:56:14,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:56:14,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:56:14,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:56:14,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:56:14,445 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:56:14,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:56:14,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:56:14,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:56:14,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:56:14,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:56:14,447 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:56:14,447 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:56:14,447 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:56:14,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:56:14,448 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:56:14,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:56:14,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:56:14,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:56:14,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:56:14,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:14,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:56:14,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:56:14,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:56:14,450 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:56:14,450 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:56:14,450 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:56:14,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:56:14,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:56:14,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:56:14,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:56:14,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 [2021-12-15 12:56:14,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:56:14,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:56:14,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:56:14,799 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:56:14,799 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:56:14,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2021-12-15 12:56:14,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3657436a4/8255173d183a4303a5005ae45bf7d1f5/FLAG4e9b52267 [2021-12-15 12:56:15,540 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:56:15,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2021-12-15 12:56:15,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3657436a4/8255173d183a4303a5005ae45bf7d1f5/FLAG4e9b52267 [2021-12-15 12:56:15,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3657436a4/8255173d183a4303a5005ae45bf7d1f5 [2021-12-15 12:56:15,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:56:15,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:56:15,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:15,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:56:15,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:56:15,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:15" (1/1) ... [2021-12-15 12:56:15,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10dee64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:15, skipping insertion in model container [2021-12-15 12:56:15,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:15" (1/1) ... [2021-12-15 12:56:15,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:56:15,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:16,835 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-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2021-12-15 12:56:16,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:16,941 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:56:16,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:17,194 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-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2021-12-15 12:56:17,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:17,228 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:56:17,441 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-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2021-12-15 12:56:17,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:17,515 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:56:17,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17 WrapperNode [2021-12-15 12:56:17,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:17,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:17,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:56:17,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:56:17,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17" (1/1) ... [2021-12-15 12:56:17,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17" (1/1) ... [2021-12-15 12:56:17,640 INFO L137 Inliner]: procedures = 197, calls = 869, calls flagged for inlining = 82, calls inlined = 60, statements flattened = 1395 [2021-12-15 12:56:17,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:17,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:56:17,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:56:17,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:56:17,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17" (1/1) ... [2021-12-15 12:56:17,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17" (1/1) ... [2021-12-15 12:56:17,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17" (1/1) ... [2021-12-15 12:56:17,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17" (1/1) ... [2021-12-15 12:56:17,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17" (1/1) ... [2021-12-15 12:56:17,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17" (1/1) ... [2021-12-15 12:56:17,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17" (1/1) ... [2021-12-15 12:56:17,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:56:17,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:56:17,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:56:17,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:56:17,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17" (1/1) ... [2021-12-15 12:56:17,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:17,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:56:17,905 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 12:56:17,944 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 12:56:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:56:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:56:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:56:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:56:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:56:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-15 12:56:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-15 12:56:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:56:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:56:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:56:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:56:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 12:56:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 12:56:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:56:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:56:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:56:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 12:56:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 12:56:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:56:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-15 12:56:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-15 12:56:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2021-12-15 12:56:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2021-12-15 12:56:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:56:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:56:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:56:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:56:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2021-12-15 12:56:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2021-12-15 12:56:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:56:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2021-12-15 12:56:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2021-12-15 12:56:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:56:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:56:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:56:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 12:56:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 12:56:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 12:56:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 12:56:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:56:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:56:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:56:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:56:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 12:56:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 12:56:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2021-12-15 12:56:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2021-12-15 12:56:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2021-12-15 12:56:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2021-12-15 12:56:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2021-12-15 12:56:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2021-12-15 12:56:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 12:56:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 12:56:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:56:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:56:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-15 12:56:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-15 12:56:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-15 12:56:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-15 12:56:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-15 12:56:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-15 12:56:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:56:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:56:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:56:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:56:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-15 12:56:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-15 12:56:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 12:56:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 12:56:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:56:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2021-12-15 12:56:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2021-12-15 12:56:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2021-12-15 12:56:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2021-12-15 12:56:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2021-12-15 12:56:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2021-12-15 12:56:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 12:56:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 12:56:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-15 12:56:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-15 12:56:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2021-12-15 12:56:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2021-12-15 12:56:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 12:56:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 12:56:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:56:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:56:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-15 12:56:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-15 12:56:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-15 12:56:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-15 12:56:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:56:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:56:18,540 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:56:18,544 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:56:30,139 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:56:30,149 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:56:30,150 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:56:30,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:56:30 BoogieIcfgContainer [2021-12-15 12:56:30,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:56:30,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:56:30,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:56:30,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:56:30,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:56:15" (1/3) ... [2021-12-15 12:56:30,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3a7728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:56:30, skipping insertion in model container [2021-12-15 12:56:30,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:17" (2/3) ... [2021-12-15 12:56:30,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3a7728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:56:30, skipping insertion in model container [2021-12-15 12:56:30,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:56:30" (3/3) ... [2021-12-15 12:56:30,159 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2021-12-15 12:56:30,163 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:56:30,164 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:56:30,205 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:56:30,211 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 12:56:30,211 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:56:30,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 559 states, 383 states have (on average 1.268929503916449) internal successors, (486), 398 states have internal predecessors, (486), 138 states have call successors, (138), 36 states have call predecessors, (138), 36 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2021-12-15 12:56:30,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-15 12:56:30,274 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:56:30,274 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:56:30,275 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:56:30,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:56:30,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1769438797, now seen corresponding path program 1 times [2021-12-15 12:56:30,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:56:30,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301120699] [2021-12-15 12:56:30,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:56:30,300 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:56:30,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:56:30,303 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 12:56:30,340 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 12:56:30,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 12:56:30,735 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 12:56:30,736 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 12:56:30,741 INFO L158 Benchmark]: Toolchain (without parser) took 15047.51ms. Allocated memory was 69.2MB in the beginning and 285.2MB in the end (delta: 216.0MB). Free memory was 47.4MB in the beginning and 209.0MB in the end (delta: -161.6MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,742 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:56:30,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1821.30ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 47.2MB in the beginning and 55.8MB in the end (delta: -8.6MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.53ms. Allocated memory is still 121.6MB. Free memory was 55.8MB in the beginning and 44.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,743 INFO L158 Benchmark]: Boogie Preprocessor took 192.26ms. Allocated memory is still 121.6MB. Free memory was 44.8MB in the beginning and 49.7MB in the end (delta: -4.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,744 INFO L158 Benchmark]: RCFGBuilder took 12317.84ms. Allocated memory was 121.6MB in the beginning and 285.2MB in the end (delta: 163.6MB). Free memory was 49.7MB in the beginning and 92.9MB in the end (delta: -43.2MB). Peak memory consumption was 133.0MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,745 INFO L158 Benchmark]: TraceAbstraction took 586.14ms. Allocated memory is still 285.2MB. Free memory was 92.9MB in the beginning and 209.0MB in the end (delta: -116.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:56:30,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1821.30ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 47.2MB in the beginning and 55.8MB in the end (delta: -8.6MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.53ms. Allocated memory is still 121.6MB. Free memory was 55.8MB in the beginning and 44.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 192.26ms. Allocated memory is still 121.6MB. Free memory was 44.8MB in the beginning and 49.7MB in the end (delta: -4.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * RCFGBuilder took 12317.84ms. Allocated memory was 121.6MB in the beginning and 285.2MB in the end (delta: 163.6MB). Free memory was 49.7MB in the beginning and 92.9MB in the end (delta: -43.2MB). Peak memory consumption was 133.0MB. Max. memory is 16.1GB. * TraceAbstraction took 586.14ms. Allocated memory is still 285.2MB. Free memory was 92.9MB in the beginning and 209.0MB in the end (delta: -116.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:56:30,811 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