./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b10b1b3528380403ac10783c1c50048dfd3b52c04b5bded1769f348bdf69761 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:16,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:16,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:16,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:16,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:16,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:16,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:16,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:16,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:16,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:16,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:16,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:16,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:16,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:16,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:16,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:16,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:16,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:16,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:16,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:16,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:16,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:16,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:16,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:17,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:17,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:17,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:17,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:17,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:17,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:17,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:17,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:17,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:17,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:17,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:17,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:17,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:17,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:17,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:17,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:17,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:17,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:33:17,039 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:17,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:17,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:17,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:17,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:17,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:17,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:17,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:17,044 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:17,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:17,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:33:17,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:17,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:17,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:17,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:17,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:17,045 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:17,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:17,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:17,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:17,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:17,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:17,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:17,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:17,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:17,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:33:17,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:33:17,048 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:17,048 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:17,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:17,049 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:17,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b10b1b3528380403ac10783c1c50048dfd3b52c04b5bded1769f348bdf69761 [2021-12-15 12:33:17,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:17,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:17,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:17,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:17,297 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:17,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i [2021-12-15 12:33:17,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/155e240a3/1b9dcecf14354ecf8859777761de604b/FLAG7c1e514b9 [2021-12-15 12:33:17,948 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:17,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i [2021-12-15 12:33:17,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/155e240a3/1b9dcecf14354ecf8859777761de604b/FLAG7c1e514b9 [2021-12-15 12:33:18,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/155e240a3/1b9dcecf14354ecf8859777761de604b [2021-12-15 12:33:18,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:18,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:18,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:18,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:18,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:18,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:18" (1/1) ... [2021-12-15 12:33:18,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d55a34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:18, skipping insertion in model container [2021-12-15 12:33:18,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:18" (1/1) ... [2021-12-15 12:33:18,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:18,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:19,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i[224660,224673] [2021-12-15 12:33:19,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:19,692 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:19,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i[224660,224673] [2021-12-15 12:33:19,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:20,194 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:20,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20 WrapperNode [2021-12-15 12:33:20,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:20,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:20,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:20,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:20,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,422 INFO L137 Inliner]: procedures = 164, calls = 3642, calls flagged for inlining = 49, calls inlined = 38, statements flattened = 4092 [2021-12-15 12:33:20,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:20,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:20,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:20,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:20,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:20,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:20,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:20,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:20,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:20,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:20,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:33:20,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:33:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 12:33:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 12:33:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-12-15 12:33:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-12-15 12:33:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2021-12-15 12:33:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2021-12-15 12:33:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-12-15 12:33:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-12-15 12:33:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:33:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-15 12:33:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-15 12:33:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure has_old_autopwm [2021-12-15 12:33:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure has_old_autopwm [2021-12-15 12:33:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure it87_write_value [2021-12-15 12:33:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_write_value [2021-12-15 12:33:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-15 12:33:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-15 12:33:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-15 12:33:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-15 12:33:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:33:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:33:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:33:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2021-12-15 12:33:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2021-12-15 12:33:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove_files [2021-12-15 12:33:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove_files [2021-12-15 12:33:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2021-12-15 12:33:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2021-12-15 12:33:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure has_16bit_fans [2021-12-15 12:33:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure has_16bit_fans [2021-12-15 12:33:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2021-12-15 12:33:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2021-12-15 12:33:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure it87_read_value [2021-12-15 12:33:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_read_value [2021-12-15 12:33:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2021-12-15 12:33:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2021-12-15 12:33:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-15 12:33:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-15 12:33:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure it87_get_fan_group [2021-12-15 12:33:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_get_fan_group [2021-12-15 12:33:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-12-15 12:33:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-12-15 12:33:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-15 12:33:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-15 12:33:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 12:33:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 12:33:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:33:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-15 12:33:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-15 12:33:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2021-12-15 12:33:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2021-12-15 12:33:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:33:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:33:21,110 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:21,114 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:21,299 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:21,303 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:23,050 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2021-12-15 12:33:23,050 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2021-12-15 12:33:23,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume false; [2021-12-15 12:33:23,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !false; [2021-12-15 12:33:23,102 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:33:23,110 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:33:23,110 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:33:23,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:23 BoogieIcfgContainer [2021-12-15 12:33:23,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:33:23,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:33:23,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:33:23,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:33:23,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:18" (1/3) ... [2021-12-15 12:33:23,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f452679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:23, skipping insertion in model container [2021-12-15 12:33:23,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20" (2/3) ... [2021-12-15 12:33:23,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f452679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:23, skipping insertion in model container [2021-12-15 12:33:23,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:23" (3/3) ... [2021-12-15 12:33:23,121 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-hwmon-it87.ko.cil.out.i [2021-12-15 12:33:23,125 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:33:23,125 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:33:23,172 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:33:23,178 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:33:23,178 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:33:23,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 472 states, 342 states have (on average 1.3567251461988303) internal successors, (464), 353 states have internal predecessors, (464), 101 states have call successors, (101), 27 states have call predecessors, (101), 27 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2021-12-15 12:33:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-15 12:33:23,207 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:33:23,207 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:33:23,207 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:33:23,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:33:23,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1815018411, now seen corresponding path program 1 times [2021-12-15 12:33:23,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:33:23,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702537686] [2021-12-15 12:33:23,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:33:23,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:33:23,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:33:23,314 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:33:23,323 INFO L158 Benchmark]: Toolchain (without parser) took 4948.16ms. Allocated memory was 96.5MB in the beginning and 419.4MB in the end (delta: 323.0MB). Free memory was 54.7MB in the beginning and 246.9MB in the end (delta: -192.2MB). Peak memory consumption was 131.8MB. Max. memory is 16.1GB. [2021-12-15 12:33:23,324 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:23,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1822.12ms. Allocated memory was 96.5MB in the beginning and 232.8MB in the end (delta: 136.3MB). Free memory was 54.7MB in the beginning and 104.6MB in the end (delta: -49.9MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. [2021-12-15 12:33:23,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 225.79ms. Allocated memory is still 232.8MB. Free memory was 104.6MB in the beginning and 155.6MB in the end (delta: -51.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:33:23,325 INFO L158 Benchmark]: Boogie Preprocessor took 185.16ms. Allocated memory is still 232.8MB. Free memory was 155.6MB in the beginning and 130.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 12:33:23,329 INFO L158 Benchmark]: RCFGBuilder took 2502.96ms. Allocated memory was 232.8MB in the beginning and 419.4MB in the end (delta: 186.6MB). Free memory was 130.5MB in the beginning and 267.8MB in the end (delta: -137.4MB). Peak memory consumption was 236.6MB. Max. memory is 16.1GB. [2021-12-15 12:33:23,329 INFO L158 Benchmark]: TraceAbstraction took 207.44ms. Allocated memory is still 419.4MB. Free memory was 266.8MB in the beginning and 246.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:33:23,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1822.12ms. Allocated memory was 96.5MB in the beginning and 232.8MB in the end (delta: 136.3MB). Free memory was 54.7MB in the beginning and 104.6MB in the end (delta: -49.9MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 225.79ms. Allocated memory is still 232.8MB. Free memory was 104.6MB in the beginning and 155.6MB in the end (delta: -51.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 185.16ms. Allocated memory is still 232.8MB. Free memory was 155.6MB in the beginning and 130.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2502.96ms. Allocated memory was 232.8MB in the beginning and 419.4MB in the end (delta: 186.6MB). Free memory was 130.5MB in the beginning and 267.8MB in the end (delta: -137.4MB). Peak memory consumption was 236.6MB. Max. memory is 16.1GB. * TraceAbstraction took 207.44ms. Allocated memory is still 419.4MB. Free memory was 266.8MB in the beginning and 246.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:33:23,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b10b1b3528380403ac10783c1c50048dfd3b52c04b5bded1769f348bdf69761 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:25,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:25,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:25,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:25,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:25,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:25,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:25,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:25,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:25,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:25,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:25,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:25,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:25,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:25,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:25,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:25,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:25,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:25,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:25,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:25,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:25,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:25,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:25,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:25,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:25,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:25,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:25,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:25,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:25,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:25,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:25,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:25,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:25,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:25,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:25,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:25,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:25,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:25,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:25,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:25,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:25,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:33:25,182 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:25,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:25,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:25,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:25,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:25,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:25,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:25,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:25,183 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:25,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:25,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:25,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:25,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:25,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:25,184 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:33:25,184 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:33:25,184 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:33:25,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:25,184 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:25,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:25,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:25,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:25,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:25,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:25,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:25,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:25,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:25,185 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:33:25,185 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:33:25,186 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:25,186 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:25,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:25,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:25,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:33:25,186 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b10b1b3528380403ac10783c1c50048dfd3b52c04b5bded1769f348bdf69761 [2021-12-15 12:33:25,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:25,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:25,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:25,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:25,464 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:25,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i [2021-12-15 12:33:25,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee8009aa/f0b2058535fa43328fd63136240b57cb/FLAG32fe2cac9 [2021-12-15 12:33:26,113 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:26,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i [2021-12-15 12:33:26,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee8009aa/f0b2058535fa43328fd63136240b57cb/FLAG32fe2cac9 [2021-12-15 12:33:26,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee8009aa/f0b2058535fa43328fd63136240b57cb [2021-12-15 12:33:26,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:26,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:26,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:26,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:26,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:26,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:26" (1/1) ... [2021-12-15 12:33:26,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad4816b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:26, skipping insertion in model container [2021-12-15 12:33:26,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:26" (1/1) ... [2021-12-15 12:33:26,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:26,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:27,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i[224660,224673] [2021-12-15 12:33:27,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:27,508 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:33:27,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:27,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i[224660,224673] [2021-12-15 12:33:27,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:27,783 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:27,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-hwmon-it87.ko.cil.out.i[224660,224673] [2021-12-15 12:33:27,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:28,232 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:28,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28 WrapperNode [2021-12-15 12:33:28,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:28,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:28,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:28,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:28,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28" (1/1) ... [2021-12-15 12:33:28,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28" (1/1) ... [2021-12-15 12:33:28,464 INFO L137 Inliner]: procedures = 171, calls = 3642, calls flagged for inlining = 49, calls inlined = 38, statements flattened = 4036 [2021-12-15 12:33:28,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:28,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:28,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:28,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:28,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28" (1/1) ... [2021-12-15 12:33:28,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28" (1/1) ... [2021-12-15 12:33:28,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28" (1/1) ... [2021-12-15 12:33:28,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28" (1/1) ... [2021-12-15 12:33:28,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28" (1/1) ... [2021-12-15 12:33:28,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28" (1/1) ... [2021-12-15 12:33:28,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28" (1/1) ... [2021-12-15 12:33:28,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:28,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:28,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:28,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:28,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28" (1/1) ... [2021-12-15 12:33:28,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:28,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:28,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:33:28,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:33:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 12:33:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 12:33:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:33:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-12-15 12:33:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-12-15 12:33:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2021-12-15 12:33:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2021-12-15 12:33:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:33:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-12-15 12:33:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-12-15 12:33:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:33:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:33:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-15 12:33:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-15 12:33:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure has_old_autopwm [2021-12-15 12:33:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure has_old_autopwm [2021-12-15 12:33:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure it87_write_value [2021-12-15 12:33:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_write_value [2021-12-15 12:33:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-15 12:33:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-15 12:33:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-15 12:33:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-15 12:33:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:33:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:33:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2021-12-15 12:33:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2021-12-15 12:33:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove_files [2021-12-15 12:33:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove_files [2021-12-15 12:33:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2021-12-15 12:33:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2021-12-15 12:33:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure has_16bit_fans [2021-12-15 12:33:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure has_16bit_fans [2021-12-15 12:33:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2021-12-15 12:33:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2021-12-15 12:33:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure it87_read_value [2021-12-15 12:33:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_read_value [2021-12-15 12:33:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:33:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:33:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:33:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:33:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2021-12-15 12:33:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2021-12-15 12:33:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-15 12:33:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-15 12:33:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:33:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:33:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure it87_get_fan_group [2021-12-15 12:33:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_get_fan_group [2021-12-15 12:33:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-12-15 12:33:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-12-15 12:33:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-15 12:33:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-15 12:33:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 12:33:28,733 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 12:33:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-15 12:33:28,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-15 12:33:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2021-12-15 12:33:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2021-12-15 12:33:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:33:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:33:29,100 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:29,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:29,358 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:29,368 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:35,807 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2021-12-15 12:33:35,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2021-12-15 12:33:35,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume false; [2021-12-15 12:33:35,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !false; [2021-12-15 12:33:35,946 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:33:35,954 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:33:35,954 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:33:35,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:35 BoogieIcfgContainer [2021-12-15 12:33:35,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:33:35,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:33:35,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:33:35,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:33:35,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:26" (1/3) ... [2021-12-15 12:33:35,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5590b704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:35, skipping insertion in model container [2021-12-15 12:33:35,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:28" (2/3) ... [2021-12-15 12:33:35,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5590b704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:35, skipping insertion in model container [2021-12-15 12:33:35,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:35" (3/3) ... [2021-12-15 12:33:35,963 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-hwmon-it87.ko.cil.out.i [2021-12-15 12:33:35,967 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:33:35,968 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:33:36,006 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:33:36,012 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:33:36,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:33:36,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 472 states, 342 states have (on average 1.3567251461988303) internal successors, (464), 353 states have internal predecessors, (464), 101 states have call successors, (101), 27 states have call predecessors, (101), 27 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2021-12-15 12:33:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-15 12:33:36,040 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:33:36,040 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:33:36,041 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:33:36,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:33:36,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1815018411, now seen corresponding path program 1 times [2021-12-15 12:33:36,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:33:36,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379072999] [2021-12-15 12:33:36,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:33:36,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:33:36,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:33:36,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 12:33:36,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:33:36,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:33:36,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:33:36,466 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:33:36,471 INFO L158 Benchmark]: Toolchain (without parser) took 10181.42ms. Allocated memory was 52.4MB in the beginning and 578.8MB in the end (delta: 526.4MB). Free memory was 30.7MB in the beginning and 387.8MB in the end (delta: -357.1MB). Peak memory consumption was 168.2MB. Max. memory is 16.1GB. [2021-12-15 12:33:36,472 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:36,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1941.64ms. Allocated memory was 52.4MB in the beginning and 190.8MB in the end (delta: 138.4MB). Free memory was 30.5MB in the beginning and 91.0MB in the end (delta: -60.5MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. [2021-12-15 12:33:36,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 231.36ms. Allocated memory was 190.8MB in the beginning and 268.4MB in the end (delta: 77.6MB). Free memory was 91.0MB in the beginning and 197.4MB in the end (delta: -106.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2021-12-15 12:33:36,479 INFO L158 Benchmark]: Boogie Preprocessor took 176.53ms. Allocated memory is still 268.4MB. Free memory was 197.4MB in the beginning and 169.9MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 12:33:36,479 INFO L158 Benchmark]: RCFGBuilder took 7304.51ms. Allocated memory was 268.4MB in the beginning and 578.8MB in the end (delta: 310.4MB). Free memory was 169.9MB in the beginning and 419.2MB in the end (delta: -249.4MB). Peak memory consumption was 276.7MB. Max. memory is 16.1GB. [2021-12-15 12:33:36,480 INFO L158 Benchmark]: TraceAbstraction took 512.05ms. Allocated memory is still 578.8MB. Free memory was 418.2MB in the beginning and 387.8MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-15 12:33:36,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1941.64ms. Allocated memory was 52.4MB in the beginning and 190.8MB in the end (delta: 138.4MB). Free memory was 30.5MB in the beginning and 91.0MB in the end (delta: -60.5MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 231.36ms. Allocated memory was 190.8MB in the beginning and 268.4MB in the end (delta: 77.6MB). Free memory was 91.0MB in the beginning and 197.4MB in the end (delta: -106.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.53ms. Allocated memory is still 268.4MB. Free memory was 197.4MB in the beginning and 169.9MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 7304.51ms. Allocated memory was 268.4MB in the beginning and 578.8MB in the end (delta: 310.4MB). Free memory was 169.9MB in the beginning and 419.2MB in the end (delta: -249.4MB). Peak memory consumption was 276.7MB. Max. memory is 16.1GB. * TraceAbstraction took 512.05ms. Allocated memory is still 578.8MB. Free memory was 418.2MB in the beginning and 387.8MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:33:36,534 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