./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.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-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.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 07ae4eb392cc9822cbd398c1edf107cccc60d6668bc59dbf5a692a6b9350873b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:11:07,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:11:07,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:11:07,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:11:07,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:11:07,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:11:07,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:11:07,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:11:07,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:11:07,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:11:07,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:11:07,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:11:07,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:11:07,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:11:07,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:11:07,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:11:07,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:11:07,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:11:07,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:11:07,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:11:07,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:11:07,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:11:07,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:11:07,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:11:07,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:11:07,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:11:07,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:11:07,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:11:07,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:11:07,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:11:07,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:11:07,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:11:07,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:11:07,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:11:07,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:11:07,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:11:07,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:11:07,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:11:07,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:11:07,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:11:07,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:11:07,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:11:07,616 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:11:07,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:11:07,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:11:07,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:11:07,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:11:07,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:11:07,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:11:07,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:11:07,618 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:11:07,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:11:07,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:11:07,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:11:07,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:11:07,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:11:07,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:11:07,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:11:07,620 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:11:07,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:11:07,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:11:07,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:11:07,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:11:07,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:11:07,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:11:07,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:11:07,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:11:07,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:11:07,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:11:07,621 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:11:07,622 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:11:07,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:11:07,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:11:07,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07ae4eb392cc9822cbd398c1edf107cccc60d6668bc59dbf5a692a6b9350873b [2021-12-15 13:11:07,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:11:07,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:11:07,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:11:07,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:11:07,895 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:11:07,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:11:08,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8446121e/3b80fa0f9d23446596de6db5f0797d16/FLAGc4b9e730b [2021-12-15 13:11:08,543 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:11:08,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:11:08,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8446121e/3b80fa0f9d23446596de6db5f0797d16/FLAGc4b9e730b [2021-12-15 13:11:08,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8446121e/3b80fa0f9d23446596de6db5f0797d16 [2021-12-15 13:11:08,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:11:08,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:11:08,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:11:08,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:11:08,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:11:08,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:11:08" (1/1) ... [2021-12-15 13:11:08,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbeb583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:08, skipping insertion in model container [2021-12-15 13:11:08,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:11:08" (1/1) ... [2021-12-15 13:11:09,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:11:09,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:11:09,736 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-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i[113497,113510] [2021-12-15 13:11:09,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:11:09,829 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:11:10,078 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-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i[113497,113510] [2021-12-15 13:11:10,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:11:10,127 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:11:10,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:10 WrapperNode [2021-12-15 13:11:10,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:11:10,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:11:10,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:11:10,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:11:10,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:10" (1/1) ... [2021-12-15 13:11:10,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:10" (1/1) ... [2021-12-15 13:11:10,227 INFO L137 Inliner]: procedures = 107, calls = 309, calls flagged for inlining = 47, calls inlined = 41, statements flattened = 760 [2021-12-15 13:11:10,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:11:10,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:11:10,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:11:10,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:11:10,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:10" (1/1) ... [2021-12-15 13:11:10,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:10" (1/1) ... [2021-12-15 13:11:10,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:10" (1/1) ... [2021-12-15 13:11:10,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:10" (1/1) ... [2021-12-15 13:11:10,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:10" (1/1) ... [2021-12-15 13:11:10,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:10" (1/1) ... [2021-12-15 13:11:10,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:10" (1/1) ... [2021-12-15 13:11:10,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:11:10,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:11:10,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:11:10,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:11:10,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:10" (1/1) ... [2021-12-15 13:11:10,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:11:10,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:11:10,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:11:10,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:11:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:11:10,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:11:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:11:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:11:10,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:11:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:11:10,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:11:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:11:10,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:11:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-15 13:11:10,505 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-15 13:11:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:11:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:11:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:11:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:11:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:11:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_disconnect [2021-12-15 13:11:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_disconnect [2021-12-15 13:11:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:11:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:11:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:11:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:11:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:11:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:11:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:11:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:11:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:11:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-15 13:11:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-15 13:11:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 13:11:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 13:11:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_7 [2021-12-15 13:11:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_7 [2021-12-15 13:11:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:11:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:11:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:11:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:11:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:11:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:11:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:11:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:11:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:11:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:11:10,969 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:11:10,972 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:11:11,093 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder 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.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:11:11,098 INFO L158 Benchmark]: Toolchain (without parser) took 2107.51ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 68.5MB in the beginning and 74.3MB in the end (delta: -5.8MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2021-12-15 13:11:11,099 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 102.8MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:11:11,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1137.16ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 71.7MB in the end (delta: -3.5MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-12-15 13:11:11,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.35ms. Allocated memory is still 123.7MB. Free memory was 71.7MB in the beginning and 65.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 13:11:11,102 INFO L158 Benchmark]: Boogie Preprocessor took 143.69ms. Allocated memory is still 123.7MB. Free memory was 65.9MB in the beginning and 60.2MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 13:11:11,103 INFO L158 Benchmark]: RCFGBuilder took 724.08ms. Allocated memory is still 123.7MB. Free memory was 60.2MB in the beginning and 74.3MB in the end (delta: -14.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-12-15 13:11:11,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 102.8MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1137.16ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 71.7MB in the end (delta: -3.5MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.35ms. Allocated memory is still 123.7MB. Free memory was 71.7MB in the beginning and 65.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.69ms. Allocated memory is still 123.7MB. Free memory was 65.9MB in the beginning and 60.2MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 724.08ms. Allocated memory is still 123.7MB. Free memory was 60.2MB in the beginning and 74.3MB in the end (delta: -14.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:11:11,133 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-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.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 07ae4eb392cc9822cbd398c1edf107cccc60d6668bc59dbf5a692a6b9350873b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:11:14,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:11:14,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:11:14,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:11:14,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:11:14,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:11:14,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:11:14,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:11:14,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:11:14,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:11:14,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:11:14,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:11:14,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:11:14,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:11:14,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:11:14,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:11:14,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:11:14,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:11:14,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:11:14,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:11:14,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:11:14,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:11:14,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:11:14,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:11:14,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:11:14,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:11:14,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:11:14,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:11:14,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:11:14,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:11:14,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:11:14,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:11:14,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:11:14,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:11:14,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:11:14,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:11:14,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:11:14,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:11:14,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:11:14,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:11:14,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:11:14,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:11:14,519 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:11:14,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:11:14,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:11:14,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:11:14,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:11:14,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:11:14,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:11:14,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:11:14,522 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:11:14,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:11:14,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:11:14,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:11:14,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:11:14,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:11:14,524 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:11:14,524 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:11:14,524 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:11:14,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:11:14,525 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:11:14,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:11:14,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:11:14,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:11:14,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:11:14,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:11:14,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:11:14,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:11:14,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:11:14,527 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:11:14,527 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:11:14,527 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:11:14,528 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:11:14,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:11:14,528 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:11:14,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:11:14,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07ae4eb392cc9822cbd398c1edf107cccc60d6668bc59dbf5a692a6b9350873b [2021-12-15 13:11:15,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:11:15,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:11:15,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:11:15,135 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:11:15,136 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:11:15,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:11:15,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70922207/6b14c12d458f467480e40a07158912c6/FLAG3c14eea07 [2021-12-15 13:11:15,942 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:11:15,943 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:11:15,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70922207/6b14c12d458f467480e40a07158912c6/FLAG3c14eea07 [2021-12-15 13:11:16,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b70922207/6b14c12d458f467480e40a07158912c6 [2021-12-15 13:11:16,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:11:16,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:11:16,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:11:16,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:11:16,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:11:16,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:11:16" (1/1) ... [2021-12-15 13:11:16,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624ab89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:16, skipping insertion in model container [2021-12-15 13:11:16,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:11:16" (1/1) ... [2021-12-15 13:11:16,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:11:16,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:11:16,938 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-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i[113497,113510] [2021-12-15 13:11:16,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:11:16,988 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:11:17,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:11:17,097 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-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i[113497,113510] [2021-12-15 13:11:17,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:11:17,109 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:11:17,294 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-validator-v0.8/linux-stable-a450319-1-144_2a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i[113497,113510] [2021-12-15 13:11:17,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:11:17,342 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:11:17,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:17 WrapperNode [2021-12-15 13:11:17,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:11:17,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:11:17,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:11:17,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:11:17,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:17" (1/1) ... [2021-12-15 13:11:17,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:17" (1/1) ... [2021-12-15 13:11:17,443 INFO L137 Inliner]: procedures = 116, calls = 309, calls flagged for inlining = 47, calls inlined = 41, statements flattened = 740 [2021-12-15 13:11:17,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:11:17,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:11:17,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:11:17,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:11:17,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:17" (1/1) ... [2021-12-15 13:11:17,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:17" (1/1) ... [2021-12-15 13:11:17,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:17" (1/1) ... [2021-12-15 13:11:17,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:17" (1/1) ... [2021-12-15 13:11:17,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:17" (1/1) ... [2021-12-15 13:11:17,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:17" (1/1) ... [2021-12-15 13:11:17,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:17" (1/1) ... [2021-12-15 13:11:17,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:11:17,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:11:17,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:11:17,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:11:17,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:11:17" (1/1) ... [2021-12-15 13:11:17,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:11:17,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:11:17,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:11:17,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:11:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:11:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:11:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:11:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:11:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:11:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:11:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:11:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:11:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:11:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:11:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:11:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:11:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-15 13:11:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-15 13:11:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:11:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:11:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:11:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:11:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_acecad_disconnect [2021-12-15 13:11:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_acecad_disconnect [2021-12-15 13:11:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:11:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:11:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:11:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:11:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:11:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:11:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:11:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:11:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:11:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-15 13:11:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-15 13:11:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 13:11:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 13:11:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_7 [2021-12-15 13:11:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_7 [2021-12-15 13:11:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:11:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:11:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:11:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:11:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:11:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:11:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:11:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:11:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:11:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:11:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:11:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:11:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:11:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:11:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:11:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:11:17,866 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:11:17,868 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:11:17,954 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder 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.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:11:17,958 INFO L158 Benchmark]: Toolchain (without parser) took 1734.95ms. Allocated memory was 54.5MB in the beginning and 94.4MB in the end (delta: 39.8MB). Free memory was 31.5MB in the beginning and 52.4MB in the end (delta: -20.9MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2021-12-15 13:11:17,958 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 44.0MB. Free memory was 26.0MB in the beginning and 26.0MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:11:17,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1112.12ms. Allocated memory was 54.5MB in the beginning and 94.4MB in the end (delta: 39.8MB). Free memory was 31.2MB in the beginning and 45.6MB in the end (delta: -14.4MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-12-15 13:11:17,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.49ms. Allocated memory is still 94.4MB. Free memory was 45.2MB in the beginning and 54.3MB in the end (delta: -9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:11:17,959 INFO L158 Benchmark]: Boogie Preprocessor took 97.01ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 52.9MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 13:11:17,960 INFO L158 Benchmark]: RCFGBuilder took 405.34ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 52.4MB in the end (delta: 480.5kB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-12-15 13:11:17,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 44.0MB. Free memory was 26.0MB in the beginning and 26.0MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1112.12ms. Allocated memory was 54.5MB in the beginning and 94.4MB in the end (delta: 39.8MB). Free memory was 31.2MB in the beginning and 45.6MB in the end (delta: -14.4MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.49ms. Allocated memory is still 94.4MB. Free memory was 45.2MB in the beginning and 54.3MB in the end (delta: -9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.01ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 52.9MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 405.34ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 52.4MB in the end (delta: 480.5kB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:11:17,987 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