./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.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 178bcd25ed1eb86cc15df15af8dd3c1e4148e54d6c8cf5e12496bd14ffef1855 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:04:30,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:04:30,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:04:30,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:04:30,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:04:30,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:04:30,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:04:30,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:04:30,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:04:30,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:04:30,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:04:30,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:04:30,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:04:30,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:04:30,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:04:30,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:04:30,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:04:30,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:04:30,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:04:30,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:04:30,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:04:30,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:04:30,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:04:30,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:04:30,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:04:30,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:04:30,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:04:30,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:04:30,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:04:30,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:04:30,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:04:30,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:04:30,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:04:30,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:04:30,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:04:30,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:04:30,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:04:30,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:04:30,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:04:30,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:04:30,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:04:30,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:04:30,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:04:30,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:04:30,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:04:30,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:04:30,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:04:30,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:04:30,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:04:30,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:04:30,859 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:04:30,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:04:30,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:04:30,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:04:30,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:04:30,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:04:30,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:04:30,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:04:30,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:04:30,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:04:30,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:04:30,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:04:30,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:04:30,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:04:30,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:04:30,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:04:30,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:04:30,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:04:30,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:04:30,862 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:04:30,862 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:04:30,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:04:30,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:04:30,862 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 178bcd25ed1eb86cc15df15af8dd3c1e4148e54d6c8cf5e12496bd14ffef1855 [2021-12-15 13:04:31,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:04:31,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:04:31,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:04:31,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:04:31,099 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:04:31,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2021-12-15 13:04:31,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e5d4808/b37d93666a2e4bdb8c6c9522f89ad464/FLAG07dc4bdd2 [2021-12-15 13:04:31,718 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:04:31,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2021-12-15 13:04:31,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e5d4808/b37d93666a2e4bdb8c6c9522f89ad464/FLAG07dc4bdd2 [2021-12-15 13:04:31,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e5d4808/b37d93666a2e4bdb8c6c9522f89ad464 [2021-12-15 13:04:31,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:04:31,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:04:31,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:04:31,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:04:31,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:04:31,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:04:31" (1/1) ... [2021-12-15 13:04:31,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f8163a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:31, skipping insertion in model container [2021-12-15 13:04:31,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:04:31" (1/1) ... [2021-12-15 13:04:31,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:04:32,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:04:33,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2021-12-15 13:04:33,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:33,261 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:04:33,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2021-12-15 13:04:33,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:33,766 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:04:33,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33 WrapperNode [2021-12-15 13:04:33,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:04:33,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:04:33,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:04:33,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:04:33,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33" (1/1) ... [2021-12-15 13:04:33,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33" (1/1) ... [2021-12-15 13:04:34,086 INFO L137 Inliner]: procedures = 243, calls = 6386, calls flagged for inlining = 118, calls inlined = 80, statements flattened = 7271 [2021-12-15 13:04:34,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:04:34,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:04:34,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:04:34,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:04:34,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33" (1/1) ... [2021-12-15 13:04:34,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33" (1/1) ... [2021-12-15 13:04:34,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33" (1/1) ... [2021-12-15 13:04:34,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33" (1/1) ... [2021-12-15 13:04:34,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33" (1/1) ... [2021-12-15 13:04:34,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33" (1/1) ... [2021-12-15 13:04:34,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33" (1/1) ... [2021-12-15 13:04:34,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:04:34,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:04:34,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:04:34,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:04:34,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33" (1/1) ... [2021-12-15 13:04:34,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:04:34,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:04:34,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:04:34,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:04:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_enable [2021-12-15 13:04:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_enable [2021-12-15 13:04:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:04:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:04:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2021-12-15 13:04:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2021-12-15 13:04:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_write_value [2021-12-15 13:04:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_write_value [2021-12-15 13:04:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_data_mutex [2021-12-15 13:04:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_data_mutex [2021-12-15 13:04:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_read_value [2021-12-15 13:04:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_read_value [2021-12-15 13:04:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-15 13:04:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-15 13:04:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:04:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:04:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:04:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:04:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:04:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:04:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 13:04:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 13:04:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:04:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:04:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:04:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2021-12-15 13:04:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2021-12-15 13:04:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:04:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-15 13:04:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:04:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:04:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:04:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:04:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2021-12-15 13:04:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2021-12-15 13:04:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-15 13:04:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-15 13:04:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 13:04:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 13:04:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:04:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:04:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:04:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-12-15 13:04:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-12-15 13:04:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:04:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:04:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2021-12-15 13:04:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2021-12-15 13:04:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:04:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-15 13:04:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-15 13:04:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:04:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:04:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:04:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:04:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:04:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_data_mutex [2021-12-15 13:04:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_data_mutex [2021-12-15 13:04:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_disable [2021-12-15 13:04:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_disable [2021-12-15 13:04:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:04:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:04:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2021-12-15 13:04:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2021-12-15 13:04:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2021-12-15 13:04:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2021-12-15 13:04:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_trigger [2021-12-15 13:04:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_trigger [2021-12-15 13:04:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:04:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2021-12-15 13:04:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2021-12-15 13:04:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:04:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:04:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:04:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:04:34,800 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:04:34,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:04:39,121 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:04:39,150 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:04:39,163 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 13:04:39,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:04:39 BoogieIcfgContainer [2021-12-15 13:04:39,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:04:39,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:04:39,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:04:39,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:04:39,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:04:31" (1/3) ... [2021-12-15 13:04:39,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7688c4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:04:39, skipping insertion in model container [2021-12-15 13:04:39,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:33" (2/3) ... [2021-12-15 13:04:39,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7688c4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:04:39, skipping insertion in model container [2021-12-15 13:04:39,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:04:39" (3/3) ... [2021-12-15 13:04:39,172 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2021-12-15 13:04:39,185 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:04:39,185 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:04:39,216 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:04:39,220 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:04:39,222 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:04:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 712 states, 509 states have (on average 1.381139489194499) internal successors, (703), 523 states have internal predecessors, (703), 170 states have call successors, (170), 31 states have call predecessors, (170), 31 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2021-12-15 13:04:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-15 13:04:39,250 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:04:39,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:04:39,251 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:04:39,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:04:39,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1430383953, now seen corresponding path program 1 times [2021-12-15 13:04:39,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:04:39,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029611803] [2021-12-15 13:04:39,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:04:39,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:04:39,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:04:39,336 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:04:39,340 INFO L158 Benchmark]: Toolchain (without parser) took 7413.96ms. Allocated memory was 92.3MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 61.6MB in the beginning and 803.5MB in the end (delta: -741.9MB). Peak memory consumption was 255.6MB. Max. memory is 16.1GB. [2021-12-15 13:04:39,340 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:04:39,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1840.78ms. Allocated memory was 92.3MB in the beginning and 211.8MB in the end (delta: 119.5MB). Free memory was 61.3MB in the beginning and 100.1MB in the end (delta: -38.8MB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB. [2021-12-15 13:04:39,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 318.04ms. Allocated memory is still 211.8MB. Free memory was 100.1MB in the beginning and 117.2MB in the end (delta: -17.1MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2021-12-15 13:04:39,342 INFO L158 Benchmark]: Boogie Preprocessor took 258.49ms. Allocated memory is still 211.8MB. Free memory was 117.2MB in the beginning and 76.6MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-15 13:04:39,342 INFO L158 Benchmark]: RCFGBuilder took 4818.61ms. Allocated memory was 211.8MB in the beginning and 1.1GB in the end (delta: 880.8MB). Free memory was 76.6MB in the beginning and 829.7MB in the end (delta: -753.1MB). Peak memory consumption was 634.1MB. Max. memory is 16.1GB. [2021-12-15 13:04:39,342 INFO L158 Benchmark]: TraceAbstraction took 172.39ms. Allocated memory is still 1.1GB. Free memory was 828.6MB in the beginning and 803.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 13:04:39,344 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 92.3MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1840.78ms. Allocated memory was 92.3MB in the beginning and 211.8MB in the end (delta: 119.5MB). Free memory was 61.3MB in the beginning and 100.1MB in the end (delta: -38.8MB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 318.04ms. Allocated memory is still 211.8MB. Free memory was 100.1MB in the beginning and 117.2MB in the end (delta: -17.1MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 258.49ms. Allocated memory is still 211.8MB. Free memory was 117.2MB in the beginning and 76.6MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4818.61ms. Allocated memory was 211.8MB in the beginning and 1.1GB in the end (delta: 880.8MB). Free memory was 76.6MB in the beginning and 829.7MB in the end (delta: -753.1MB). Peak memory consumption was 634.1MB. Max. memory is 16.1GB. * TraceAbstraction took 172.39ms. Allocated memory is still 1.1GB. Free memory was 828.6MB in the beginning and 803.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:04:39,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.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 178bcd25ed1eb86cc15df15af8dd3c1e4148e54d6c8cf5e12496bd14ffef1855 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:04:40,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:04:40,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:04:41,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:04:41,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:04:41,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:04:41,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:04:41,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:04:41,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:04:41,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:04:41,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:04:41,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:04:41,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:04:41,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:04:41,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:04:41,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:04:41,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:04:41,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:04:41,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:04:41,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:04:41,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:04:41,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:04:41,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:04:41,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:04:41,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:04:41,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:04:41,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:04:41,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:04:41,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:04:41,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:04:41,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:04:41,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:04:41,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:04:41,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:04:41,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:04:41,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:04:41,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:04:41,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:04:41,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:04:41,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:04:41,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:04:41,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:04:41,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:04:41,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:04:41,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:04:41,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:04:41,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:04:41,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:04:41,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:04:41,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:04:41,113 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:04:41,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:04:41,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:04:41,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:04:41,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:04:41,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:04:41,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:04:41,114 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:04:41,114 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:04:41,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:04:41,115 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:04:41,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:04:41,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:04:41,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:04:41,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:04:41,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:04:41,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:04:41,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:04:41,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:04:41,116 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:04:41,116 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:04:41,117 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:04:41,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:04:41,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:04:41,117 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:04:41,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:04:41,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 178bcd25ed1eb86cc15df15af8dd3c1e4148e54d6c8cf5e12496bd14ffef1855 [2021-12-15 13:04:41,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:04:41,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:04:41,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:04:41,430 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:04:41,430 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:04:41,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2021-12-15 13:04:41,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5a7e71f/e8babdbe457a4d39be695fd19f97d3c4/FLAG7e560c031 [2021-12-15 13:04:42,103 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:04:42,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2021-12-15 13:04:42,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5a7e71f/e8babdbe457a4d39be695fd19f97d3c4/FLAG7e560c031 [2021-12-15 13:04:42,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5a7e71f/e8babdbe457a4d39be695fd19f97d3c4 [2021-12-15 13:04:42,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:04:42,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:04:42,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:04:42,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:04:42,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:04:42,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:04:42" (1/1) ... [2021-12-15 13:04:42,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f305246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:42, skipping insertion in model container [2021-12-15 13:04:42,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:04:42" (1/1) ... [2021-12-15 13:04:42,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:04:42,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:04:43,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2021-12-15 13:04:43,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:44,108 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:04:44,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:04:44,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2021-12-15 13:04:44,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:44,508 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:04:44,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2021-12-15 13:04:44,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:04:45,082 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:04:45,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45 WrapperNode [2021-12-15 13:04:45,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:04:45,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:04:45,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:04:45,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:04:45,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45" (1/1) ... [2021-12-15 13:04:45,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45" (1/1) ... [2021-12-15 13:04:45,387 INFO L137 Inliner]: procedures = 252, calls = 6386, calls flagged for inlining = 118, calls inlined = 80, statements flattened = 7188 [2021-12-15 13:04:45,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:04:45,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:04:45,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:04:45,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:04:45,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45" (1/1) ... [2021-12-15 13:04:45,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45" (1/1) ... [2021-12-15 13:04:45,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45" (1/1) ... [2021-12-15 13:04:45,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45" (1/1) ... [2021-12-15 13:04:45,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45" (1/1) ... [2021-12-15 13:04:45,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45" (1/1) ... [2021-12-15 13:04:45,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45" (1/1) ... [2021-12-15 13:04:45,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:04:45,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:04:45,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:04:45,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:04:45,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45" (1/1) ... [2021-12-15 13:04:45,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:04:45,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:04:45,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:04:45,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_enable [2021-12-15 13:04:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_enable [2021-12-15 13:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:04:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:04:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2021-12-15 13:04:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2021-12-15 13:04:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_write_value [2021-12-15 13:04:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_write_value [2021-12-15 13:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_data_mutex [2021-12-15 13:04:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_data_mutex [2021-12-15 13:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_read_value [2021-12-15 13:04:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_read_value [2021-12-15 13:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-15 13:04:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-15 13:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:04:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:04:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:04:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:04:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 13:04:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 13:04:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:04:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2021-12-15 13:04:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2021-12-15 13:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-15 13:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:04:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2021-12-15 13:04:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2021-12-15 13:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-15 13:04:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-15 13:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 13:04:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 13:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:04:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-12-15 13:04:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-12-15 13:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:04:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2021-12-15 13:04:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2021-12-15 13:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-15 13:04:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-15 13:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:04:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_data_mutex [2021-12-15 13:04:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_data_mutex [2021-12-15 13:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_disable [2021-12-15 13:04:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_disable [2021-12-15 13:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:04:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2021-12-15 13:04:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2021-12-15 13:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2021-12-15 13:04:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2021-12-15 13:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_trigger [2021-12-15 13:04:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_trigger [2021-12-15 13:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2021-12-15 13:04:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2021-12-15 13:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:04:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:04:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:04:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:04:46,019 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:04:46,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:05:01,366 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:05:01,377 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:05:01,378 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 13:05:01,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:05:01 BoogieIcfgContainer [2021-12-15 13:05:01,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:05:01,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:05:01,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:05:01,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:05:01,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:04:42" (1/3) ... [2021-12-15 13:05:01,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54703cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:05:01, skipping insertion in model container [2021-12-15 13:05:01,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:04:45" (2/3) ... [2021-12-15 13:05:01,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54703cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:05:01, skipping insertion in model container [2021-12-15 13:05:01,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:05:01" (3/3) ... [2021-12-15 13:05:01,391 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2021-12-15 13:05:01,396 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:05:01,397 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:05:01,443 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:05:01,450 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:05:01,450 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:05:01,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 712 states, 509 states have (on average 1.381139489194499) internal successors, (703), 523 states have internal predecessors, (703), 170 states have call successors, (170), 31 states have call predecessors, (170), 31 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2021-12-15 13:05:01,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-15 13:05:01,487 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:05:01,488 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:05:01,488 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:05:01,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:05:01,497 INFO L85 PathProgramCache]: Analyzing trace with hash -839959863, now seen corresponding path program 1 times [2021-12-15 13:05:01,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:05:01,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498027769] [2021-12-15 13:05:01,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:05:01,522 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:05:01,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:05:01,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 13:05:01,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 13:05:01,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 13:05:01,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 13:05:01,971 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:05:01,975 INFO L158 Benchmark]: Toolchain (without parser) took 19457.00ms. Allocated memory was 58.7MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 32.3MB in the beginning and 820.5MB in the end (delta: -788.3MB). Peak memory consumption was 240.7MB. Max. memory is 16.1GB. [2021-12-15 13:05:01,976 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:05:01,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2563.29ms. Allocated memory was 58.7MB in the beginning and 528.5MB in the end (delta: 469.8MB). Free memory was 32.1MB in the beginning and 412.8MB in the end (delta: -380.7MB). Peak memory consumption was 168.7MB. Max. memory is 16.1GB. [2021-12-15 13:05:01,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 304.60ms. Allocated memory is still 528.5MB. Free memory was 412.8MB in the beginning and 361.4MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-12-15 13:05:01,977 INFO L158 Benchmark]: Boogie Preprocessor took 233.47ms. Allocated memory is still 528.5MB. Free memory was 361.4MB in the beginning and 317.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-12-15 13:05:01,977 INFO L158 Benchmark]: RCFGBuilder took 15757.86ms. Allocated memory was 528.5MB in the beginning and 1.1GB in the end (delta: 562.0MB). Free memory was 316.4MB in the beginning and 856.2MB in the end (delta: -539.8MB). Peak memory consumption was 571.7MB. Max. memory is 16.1GB. [2021-12-15 13:05:01,978 INFO L158 Benchmark]: TraceAbstraction took 591.40ms. Allocated memory is still 1.1GB. Free memory was 856.2MB in the beginning and 820.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-12-15 13:05:01,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2563.29ms. Allocated memory was 58.7MB in the beginning and 528.5MB in the end (delta: 469.8MB). Free memory was 32.1MB in the beginning and 412.8MB in the end (delta: -380.7MB). Peak memory consumption was 168.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 304.60ms. Allocated memory is still 528.5MB. Free memory was 412.8MB in the beginning and 361.4MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 233.47ms. Allocated memory is still 528.5MB. Free memory was 361.4MB in the beginning and 317.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * RCFGBuilder took 15757.86ms. Allocated memory was 528.5MB in the beginning and 1.1GB in the end (delta: 562.0MB). Free memory was 316.4MB in the beginning and 856.2MB in the end (delta: -539.8MB). Peak memory consumption was 571.7MB. Max. memory is 16.1GB. * TraceAbstraction took 591.40ms. Allocated memory is still 1.1GB. Free memory was 856.2MB in the beginning and 820.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:05:02,080 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