./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.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-net-wan-farsync.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 f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:37,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:37,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:37,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:37,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:37,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:37,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:37,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:37,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:37,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:37,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:37,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:37,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:37,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:37,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:37,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:37,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:37,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:37,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:37,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:37,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:37,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:37,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:37,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:37,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:37,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:37,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:37,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:37,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:37,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:37,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:37,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:37,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:37,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:37,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:37,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:37,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:37,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:37,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:37,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:37,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:37,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:33:37,918 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:37,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:37,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:37,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:37,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:37,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:37,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:37,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:37,921 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:37,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:37,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:33:37,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:37,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:37,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:37,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:37,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:37,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:37,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:37,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:37,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:37,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:37,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:37,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:37,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:37,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:37,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:33:37,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:33:37,926 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:37,926 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:37,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:37,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:37,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2021-12-15 12:33:38,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:38,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:38,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:38,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:38,186 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:38,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-12-15 12:33:38,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf5a7a2c/c11d7ccca0bd4c43bf319a75015a279a/FLAGe6123a32b [2021-12-15 12:33:38,890 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:38,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-12-15 12:33:38,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf5a7a2c/c11d7ccca0bd4c43bf319a75015a279a/FLAGe6123a32b [2021-12-15 12:33:39,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf5a7a2c/c11d7ccca0bd4c43bf319a75015a279a [2021-12-15 12:33:39,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:39,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:39,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:39,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:39,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:39,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:39" (1/1) ... [2021-12-15 12:33:39,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70792b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:39, skipping insertion in model container [2021-12-15 12:33:39,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:39" (1/1) ... [2021-12-15 12:33:39,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:39,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:40,288 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-net-wan-farsync.ko.cil.out.i[221005,221018] [2021-12-15 12:33:40,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:40,345 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:40,604 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-net-wan-farsync.ko.cil.out.i[221005,221018] [2021-12-15 12:33:40,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:40,762 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:40,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40 WrapperNode [2021-12-15 12:33:40,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:40,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:40,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:40,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:40,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40" (1/1) ... [2021-12-15 12:33:40,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40" (1/1) ... [2021-12-15 12:33:40,926 INFO L137 Inliner]: procedures = 200, calls = 1489, calls flagged for inlining = 98, calls inlined = 84, statements flattened = 3293 [2021-12-15 12:33:40,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:40,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:40,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:40,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:40,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40" (1/1) ... [2021-12-15 12:33:40,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40" (1/1) ... [2021-12-15 12:33:40,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40" (1/1) ... [2021-12-15 12:33:40,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40" (1/1) ... [2021-12-15 12:33:41,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40" (1/1) ... [2021-12-15 12:33:41,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40" (1/1) ... [2021-12-15 12:33:41,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40" (1/1) ... [2021-12-15 12:33:41,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:41,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:41,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:41,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:41,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40" (1/1) ... [2021-12-15 12:33:41,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:41,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:41,101 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 12:33:41,107 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 12:33:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:33:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:33:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-15 12:33:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-15 12:33:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-15 12:33:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-15 12:33:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 12:33:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 12:33:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 12:33:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 12:33:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-15 12:33:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-15 12:33:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-15 12:33:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-15 12:33:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:33:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:33:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-15 12:33:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-15 12:33:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-15 12:33:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-15 12:33:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 12:33:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 12:33:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-15 12:33:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-15 12:33:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:33:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:33:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-15 12:33:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-15 12:33:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-15 12:33:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-15 12:33:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:33:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:33:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-15 12:33:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-15 12:33:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:33:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:33:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:33:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:33:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-15 12:33:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-15 12:33:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 12:33:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 12:33:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2021-12-15 12:33:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2021-12-15 12:33:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 12:33:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 12:33:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-15 12:33:41,136 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-15 12:33:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2021-12-15 12:33:41,136 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2021-12-15 12:33:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:33:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:33:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:33:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-15 12:33:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-15 12:33:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 12:33:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 12:33:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:33:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:33:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 12:33:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 12:33:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-15 12:33:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-15 12:33:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:33:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:33:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2021-12-15 12:33:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2021-12-15 12:33:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:33:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:33:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:33:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-15 12:33:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-15 12:33:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 12:33:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 12:33:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2021-12-15 12:33:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2021-12-15 12:33:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:33:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:33:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2021-12-15 12:33:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2021-12-15 12:33:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-15 12:33:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-15 12:33:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2021-12-15 12:33:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2021-12-15 12:33:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2021-12-15 12:33:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2021-12-15 12:33:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 12:33:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 12:33:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 12:33:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 12:33:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-15 12:33:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-15 12:33:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-15 12:33:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-15 12:33:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-15 12:33:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-15 12:33:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-15 12:33:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-15 12:33:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-15 12:33:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-15 12:33:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-15 12:33:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-15 12:33:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2021-12-15 12:33:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2021-12-15 12:33:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:33:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-15 12:33:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-15 12:33:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-15 12:33:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-15 12:33:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-15 12:33:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-15 12:33:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-15 12:33:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-15 12:33:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:33:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:33:41,594 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:41,597 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:42,044 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:42,047 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:42,051 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:42,052 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:42,053 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:42,053 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:42,057 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:43,861 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2021-12-15 12:33:43,861 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2021-12-15 12:33:43,861 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-12-15 12:33:43,861 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-12-15 12:33:43,861 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##214: assume !false; [2021-12-15 12:33:43,862 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume false; [2021-12-15 12:33:43,862 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume !false; [2021-12-15 12:33:43,862 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##227: assume false; [2021-12-15 12:33:43,862 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset);havoc fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset);havoc fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset; [2021-12-15 12:33:43,862 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume false; [2021-12-15 12:33:43,862 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-12-15 12:33:43,862 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-12-15 12:33:43,863 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2021-12-15 12:33:43,863 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2021-12-15 12:33:43,893 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:33:43,902 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:33:43,903 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:33:43,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:43 BoogieIcfgContainer [2021-12-15 12:33:43,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:33:43,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:33:43,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:33:43,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:33:43,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:39" (1/3) ... [2021-12-15 12:33:43,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da7c512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:43, skipping insertion in model container [2021-12-15 12:33:43,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:40" (2/3) ... [2021-12-15 12:33:43,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da7c512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:43, skipping insertion in model container [2021-12-15 12:33:43,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:43" (3/3) ... [2021-12-15 12:33:43,913 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-12-15 12:33:43,918 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:33:43,918 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:33:43,962 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:33:43,967 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 12:33:43,968 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:33:44,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 1064 states, 746 states have (on average 1.2908847184986596) internal successors, (963), 754 states have internal predecessors, (963), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2021-12-15 12:33:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-15 12:33:44,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:33:44,013 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] [2021-12-15 12:33:44,013 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:33:44,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:33:44,017 INFO L85 PathProgramCache]: Analyzing trace with hash 953068106, now seen corresponding path program 1 times [2021-12-15 12:33:44,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:33:44,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033956826] [2021-12-15 12:33:44,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:33:44,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:33:44,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:33:44,095 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 12:33:44,099 INFO L158 Benchmark]: Toolchain (without parser) took 4873.93ms. Allocated memory was 96.5MB in the beginning and 262.1MB in the end (delta: 165.7MB). Free memory was 55.3MB in the beginning and 139.3MB in the end (delta: -84.0MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2021-12-15 12:33:44,100 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory was 53.8MB in the beginning and 53.8MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:44,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1536.03ms. Allocated memory was 96.5MB in the beginning and 197.1MB in the end (delta: 100.7MB). Free memory was 55.3MB in the beginning and 140.7MB in the end (delta: -85.4MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2021-12-15 12:33:44,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.70ms. Allocated memory is still 197.1MB. Free memory was 140.7MB in the beginning and 120.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:33:44,101 INFO L158 Benchmark]: Boogie Preprocessor took 148.67ms. Allocated memory is still 197.1MB. Free memory was 120.8MB in the beginning and 100.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:33:44,101 INFO L158 Benchmark]: RCFGBuilder took 2828.85ms. Allocated memory was 197.1MB in the beginning and 262.1MB in the end (delta: 65.0MB). Free memory was 100.9MB in the beginning and 158.2MB in the end (delta: -57.3MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2021-12-15 12:33:44,102 INFO L158 Benchmark]: TraceAbstraction took 190.31ms. Allocated memory is still 262.1MB. Free memory was 157.2MB in the beginning and 139.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:33:44,104 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 96.5MB. Free memory was 53.8MB in the beginning and 53.8MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1536.03ms. Allocated memory was 96.5MB in the beginning and 197.1MB in the end (delta: 100.7MB). Free memory was 55.3MB in the beginning and 140.7MB in the end (delta: -85.4MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 162.70ms. Allocated memory is still 197.1MB. Free memory was 140.7MB in the beginning and 120.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.67ms. Allocated memory is still 197.1MB. Free memory was 120.8MB in the beginning and 100.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2828.85ms. Allocated memory was 197.1MB in the beginning and 262.1MB in the end (delta: 65.0MB). Free memory was 100.9MB in the beginning and 158.2MB in the end (delta: -57.3MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * TraceAbstraction took 190.31ms. Allocated memory is still 262.1MB. Free memory was 157.2MB in the beginning and 139.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. 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 12:33:44,149 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-net-wan-farsync.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 f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:46,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:46,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:46,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:46,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:46,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:46,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:46,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:46,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:46,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:46,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:46,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:46,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:46,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:46,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:46,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:46,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:46,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:46,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:46,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:46,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:46,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:46,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:46,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:46,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:46,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:46,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:46,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:46,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:46,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:46,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:46,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:46,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:46,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:46,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:46,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:46,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:46,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:46,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:46,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:46,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:46,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:33:46,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:46,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:46,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:46,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:46,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:46,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:46,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:46,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:46,177 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:46,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:46,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:46,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:46,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:46,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:46,178 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:33:46,178 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:33:46,179 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:33:46,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:46,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:46,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:46,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:46,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:46,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:46,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:46,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:46,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:46,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:46,180 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:33:46,180 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:33:46,181 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:46,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:46,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:46,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:46,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:33:46,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2021-12-15 12:33:46,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:46,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:46,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:46,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:46,530 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:46,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-12-15 12:33:46,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec0966d7/7b6d7ba709384903982a202a108e13a5/FLAG781cffeec [2021-12-15 12:33:47,203 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:47,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-12-15 12:33:47,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec0966d7/7b6d7ba709384903982a202a108e13a5/FLAG781cffeec [2021-12-15 12:33:47,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec0966d7/7b6d7ba709384903982a202a108e13a5 [2021-12-15 12:33:47,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:47,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:47,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:47,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:47,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:47,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:47" (1/1) ... [2021-12-15 12:33:47,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2225a26f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:47, skipping insertion in model container [2021-12-15 12:33:47,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:47" (1/1) ... [2021-12-15 12:33:47,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:47,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:48,915 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-net-wan-farsync.ko.cil.out.i[221005,221018] [2021-12-15 12:33:48,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:48,981 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:33:49,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:49,216 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-net-wan-farsync.ko.cil.out.i[221005,221018] [2021-12-15 12:33:49,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:49,261 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:49,498 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-net-wan-farsync.ko.cil.out.i[221005,221018] [2021-12-15 12:33:49,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:49,730 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:49,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49 WrapperNode [2021-12-15 12:33:49,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:49,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:49,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:49,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:49,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49" (1/1) ... [2021-12-15 12:33:49,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49" (1/1) ... [2021-12-15 12:33:49,962 INFO L137 Inliner]: procedures = 214, calls = 1489, calls flagged for inlining = 98, calls inlined = 84, statements flattened = 3236 [2021-12-15 12:33:49,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:49,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:49,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:49,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:49,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49" (1/1) ... [2021-12-15 12:33:49,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49" (1/1) ... [2021-12-15 12:33:50,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49" (1/1) ... [2021-12-15 12:33:50,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49" (1/1) ... [2021-12-15 12:33:50,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49" (1/1) ... [2021-12-15 12:33:50,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49" (1/1) ... [2021-12-15 12:33:50,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49" (1/1) ... [2021-12-15 12:33:50,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:50,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:50,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:50,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:50,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49" (1/1) ... [2021-12-15 12:33:50,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:50,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:50,184 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 12:33:50,205 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 12:33:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:33:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:33:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:33:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:33:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:33:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:33:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-15 12:33:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-15 12:33:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-15 12:33:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-15 12:33:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 12:33:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 12:33:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 12:33:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 12:33:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-15 12:33:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-15 12:33:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-15 12:33:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-15 12:33:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:33:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:33:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-15 12:33:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-15 12:33:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-15 12:33:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-15 12:33:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 12:33:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 12:33:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-15 12:33:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-15 12:33:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:33:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:33:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-15 12:33:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-15 12:33:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-15 12:33:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-15 12:33:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:33:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:33:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:33:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:33:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:33:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:33:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-15 12:33:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-15 12:33:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:33:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:33:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:33:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:33:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:33:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:33:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:33:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-15 12:33:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-15 12:33:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 12:33:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 12:33:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2021-12-15 12:33:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2021-12-15 12:33:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 12:33:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 12:33:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-15 12:33:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-15 12:33:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2021-12-15 12:33:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2021-12-15 12:33:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:33:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:33:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-15 12:33:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-15 12:33:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 12:33:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 12:33:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 12:33:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 12:33:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-15 12:33:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-15 12:33:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:33:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:33:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2021-12-15 12:33:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2021-12-15 12:33:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:33:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:33:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-15 12:33:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-15 12:33:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 12:33:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 12:33:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2021-12-15 12:33:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2021-12-15 12:33:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:33:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:33:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:33:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:33:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:33:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:33:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2021-12-15 12:33:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2021-12-15 12:33:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:33:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:33:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:33:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-15 12:33:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-15 12:33:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2021-12-15 12:33:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2021-12-15 12:33:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2021-12-15 12:33:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2021-12-15 12:33:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 12:33:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 12:33:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 12:33:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 12:33:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-15 12:33:50,239 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-15 12:33:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-15 12:33:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-15 12:33:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-15 12:33:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-15 12:33:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-15 12:33:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-15 12:33:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-15 12:33:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-15 12:33:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-15 12:33:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-15 12:33:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2021-12-15 12:33:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2021-12-15 12:33:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:33:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-15 12:33:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-15 12:33:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-15 12:33:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-15 12:33:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-15 12:33:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-15 12:33:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-15 12:33:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-15 12:33:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:33:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:33:50,729 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:50,734 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:55,412 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:55,416 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:55,421 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:55,422 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:55,423 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:55,424 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:55,429 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:13,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2021-12-15 12:34:13,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2021-12-15 12:34:13,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-12-15 12:34:13,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-12-15 12:34:13,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##214: assume !false; [2021-12-15 12:34:13,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume false; [2021-12-15 12:34:13,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume !false; [2021-12-15 12:34:13,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##227: assume false; [2021-12-15 12:34:13,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset);havoc fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset);havoc fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset; [2021-12-15 12:34:13,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume false; [2021-12-15 12:34:13,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-12-15 12:34:13,197 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-12-15 12:34:13,197 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2021-12-15 12:34:13,197 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2021-12-15 12:34:13,243 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:34:13,257 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:34:13,257 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:34:13,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:13 BoogieIcfgContainer [2021-12-15 12:34:13,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:34:13,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:34:13,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:34:13,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:34:13,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:47" (1/3) ... [2021-12-15 12:34:13,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5507501d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:13, skipping insertion in model container [2021-12-15 12:34:13,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:49" (2/3) ... [2021-12-15 12:34:13,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5507501d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:13, skipping insertion in model container [2021-12-15 12:34:13,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:13" (3/3) ... [2021-12-15 12:34:13,269 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-12-15 12:34:13,274 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:34:13,275 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:34:13,322 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:34:13,328 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:34:13,328 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:34:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 1064 states, 746 states have (on average 1.2908847184986596) internal successors, (963), 754 states have internal predecessors, (963), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2021-12-15 12:34:13,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-15 12:34:13,366 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:34:13,367 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] [2021-12-15 12:34:13,367 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:34:13,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:34:13,372 INFO L85 PathProgramCache]: Analyzing trace with hash 953068106, now seen corresponding path program 1 times [2021-12-15 12:34:13,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:34:13,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213144683] [2021-12-15 12:34:13,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:34:13,385 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:34:13,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:34:13,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 12:34:13,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:34:13,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:34:13,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:34:13,910 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:13,914 INFO L158 Benchmark]: Toolchain (without parser) took 26285.76ms. Allocated memory was 67.1MB in the beginning and 367.0MB in the end (delta: 299.9MB). Free memory was 45.0MB in the beginning and 282.8MB in the end (delta: -237.8MB). Peak memory consumption was 202.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:13,914 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:13,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2100.81ms. Allocated memory was 67.1MB in the beginning and 178.3MB in the end (delta: 111.1MB). Free memory was 44.8MB in the beginning and 77.6MB in the end (delta: -32.8MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:13,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 231.52ms. Allocated memory is still 178.3MB. Free memory was 76.6MB in the beginning and 117.0MB in the end (delta: -40.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2021-12-15 12:34:13,915 INFO L158 Benchmark]: Boogie Preprocessor took 182.56ms. Allocated memory is still 178.3MB. Free memory was 117.0MB in the beginning and 96.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:13,916 INFO L158 Benchmark]: RCFGBuilder took 23114.33ms. Allocated memory was 178.3MB in the beginning and 367.0MB in the end (delta: 188.7MB). Free memory was 96.0MB in the beginning and 179.6MB in the end (delta: -83.6MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:13,916 INFO L158 Benchmark]: TraceAbstraction took 649.90ms. Allocated memory is still 367.0MB. Free memory was 178.6MB in the beginning and 282.8MB in the end (delta: -104.2MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2021-12-15 12:34:13,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2100.81ms. Allocated memory was 67.1MB in the beginning and 178.3MB in the end (delta: 111.1MB). Free memory was 44.8MB in the beginning and 77.6MB in the end (delta: -32.8MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 231.52ms. Allocated memory is still 178.3MB. Free memory was 76.6MB in the beginning and 117.0MB in the end (delta: -40.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 182.56ms. Allocated memory is still 178.3MB. Free memory was 117.0MB in the beginning and 96.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 23114.33ms. Allocated memory was 178.3MB in the beginning and 367.0MB in the end (delta: 188.7MB). Free memory was 96.0MB in the beginning and 179.6MB in the end (delta: -83.6MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. * TraceAbstraction took 649.90ms. Allocated memory is still 367.0MB. Free memory was 178.6MB in the beginning and 282.8MB in the end (delta: -104.2MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:34:13,977 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