./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.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 cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:08:28,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:08:28,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:08:28,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:08:28,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:08:28,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:08:28,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:08:28,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:08:28,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:08:28,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:08:28,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:08:28,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:08:28,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:08:28,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:08:28,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:08:28,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:08:28,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:08:28,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:08:28,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:08:28,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:08:28,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:08:28,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:08:28,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:08:28,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:08:28,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:08:28,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:08:28,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:08:28,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:08:28,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:08:28,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:08:28,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:08:28,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:08:28,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:08:28,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:08:28,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:08:28,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:08:28,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:08:28,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:08:28,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:08:28,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:08:28,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:08:28,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:08:28,719 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:08:28,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:08:28,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:08:28,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:08:28,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:08:28,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:08:28,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:08:28,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:08:28,723 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:08:28,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:08:28,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:08:28,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:08:28,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:08:28,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:08:28,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:08:28,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:08:28,724 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:08:28,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:08:28,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:08:28,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:08:28,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:08:28,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:08:28,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:08:28,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:08:28,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:08:28,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:08:28,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:08:28,726 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:08:28,726 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:08:28,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:08:28,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:08:28,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 [2021-12-15 13:08:28,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:08:28,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:08:28,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:08:28,962 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:08:28,971 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:08:28,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-12-15 13:08:29,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aea8b0d03/073b331316644903b2287cde31f91b41/FLAG9ddf913bd [2021-12-15 13:08:29,678 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:08:29,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-12-15 13:08:29,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aea8b0d03/073b331316644903b2287cde31f91b41/FLAG9ddf913bd [2021-12-15 13:08:30,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aea8b0d03/073b331316644903b2287cde31f91b41 [2021-12-15 13:08:30,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:08:30,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:08:30,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:08:30,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:08:30,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:08:30,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:30" (1/1) ... [2021-12-15 13:08:30,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef4226f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:30, skipping insertion in model container [2021-12-15 13:08:30,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:30" (1/1) ... [2021-12-15 13:08:30,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:08:30,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:08:30,576 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-12-15 13:08:30,581 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-12-15 13:08:30,819 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-12-15 13:08:31,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:08:32,069 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:08:32,150 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-12-15 13:08:32,152 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-12-15 13:08:32,161 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-12-15 13:08:32,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:08:32,560 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:08:32,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:32 WrapperNode [2021-12-15 13:08:32,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:08:32,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:08:32,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:08:32,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:08:32,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:32" (1/1) ... [2021-12-15 13:08:32,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:32" (1/1) ... [2021-12-15 13:08:32,804 INFO L137 Inliner]: procedures = 293, calls = 6033, calls flagged for inlining = 92, calls inlined = 47, statements flattened = 4505 [2021-12-15 13:08:32,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:08:32,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:08:32,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:08:32,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:08:32,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:32" (1/1) ... [2021-12-15 13:08:32,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:32" (1/1) ... [2021-12-15 13:08:32,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:32" (1/1) ... [2021-12-15 13:08:32,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:32" (1/1) ... [2021-12-15 13:08:32,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:32" (1/1) ... [2021-12-15 13:08:32,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:32" (1/1) ... [2021-12-15 13:08:32,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:32" (1/1) ... [2021-12-15 13:08:33,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:08:33,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:08:33,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:08:33,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:08:33,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:32" (1/1) ... [2021-12-15 13:08:33,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:08:33,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:08:33,072 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 13:08:33,100 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 13:08:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:08:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:08:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-15 13:08:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-15 13:08:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:08:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:08:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure linear2alaw [2021-12-15 13:08:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2alaw [2021-12-15 13:08:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:08:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:08:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:08:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:08:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:08:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:08:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:08:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:08:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:08:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:08:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 13:08:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 13:08:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure linear2ulaw [2021-12-15 13:08:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2ulaw [2021-12-15 13:08:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:08:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:08:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:08:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:08:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:08:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:08:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:08:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:08:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:08:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:08:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 13:08:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 13:08:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_dsp_element_unregister [2021-12-15 13:08:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_dsp_element_unregister [2021-12-15 13:08:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:08:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:08:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:08:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:08:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:08:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-15 13:08:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-15 13:08:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:08:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:08:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:08:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:08:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-15 13:08:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-15 13:08:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:08:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:08:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-15 13:08:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-15 13:08:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-12-15 13:08:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-12-15 13:08:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-15 13:08:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-15 13:08:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_bits [2021-12-15 13:08:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_bits [2021-12-15 13:08:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:08:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:08:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:08:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:08:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:08:33,413 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:08:33,414 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:08:33,540 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:08:33,544 INFO L158 Benchmark]: Toolchain (without parser) took 3495.38ms. Allocated memory was 102.8MB in the beginning and 264.2MB in the end (delta: 161.5MB). Free memory was 59.0MB in the beginning and 124.1MB in the end (delta: -65.1MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. [2021-12-15 13:08:33,544 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:08:33,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2512.28ms. Allocated memory was 102.8MB in the beginning and 264.2MB in the end (delta: 161.5MB). Free memory was 58.7MB in the beginning and 157.0MB in the end (delta: -98.3MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. [2021-12-15 13:08:33,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 242.95ms. Allocated memory is still 264.2MB. Free memory was 157.0MB in the beginning and 119.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 13:08:33,545 INFO L158 Benchmark]: Boogie Preprocessor took 197.74ms. Allocated memory is still 264.2MB. Free memory was 119.3MB in the beginning and 150.0MB in the end (delta: -30.7MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2021-12-15 13:08:33,545 INFO L158 Benchmark]: RCFGBuilder took 539.02ms. Allocated memory is still 264.2MB. Free memory was 150.0MB in the beginning and 124.1MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 13:08:33,547 INFO L339 ainManager$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 102.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2512.28ms. Allocated memory was 102.8MB in the beginning and 264.2MB in the end (delta: 161.5MB). Free memory was 58.7MB in the beginning and 157.0MB in the end (delta: -98.3MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 242.95ms. Allocated memory is still 264.2MB. Free memory was 157.0MB in the beginning and 119.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 197.74ms. Allocated memory is still 264.2MB. Free memory was 119.3MB in the beginning and 150.0MB in the end (delta: -30.7MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * RCFGBuilder took 539.02ms. Allocated memory is still 264.2MB. Free memory was 150.0MB in the beginning and 124.1MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. 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 13:08:33,572 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.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 cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:08:35,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:08:35,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:08:35,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:08:35,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:08:35,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:08:35,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:08:35,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:08:35,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:08:35,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:08:35,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:08:35,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:08:35,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:08:35,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:08:35,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:08:35,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:08:35,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:08:35,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:08:35,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:08:35,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:08:35,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:08:35,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:08:35,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:08:35,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:08:35,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:08:35,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:08:35,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:08:35,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:08:35,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:08:35,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:08:35,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:08:35,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:08:35,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:08:35,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:08:35,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:08:35,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:08:35,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:08:35,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:08:35,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:08:35,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:08:35,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:08:35,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:08:35,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:08:35,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:08:35,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:08:35,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:08:35,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:08:35,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:08:35,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:08:35,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:08:35,604 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:08:35,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:08:35,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:08:35,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:08:35,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:08:35,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:08:35,606 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:08:35,606 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:08:35,606 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:08:35,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:08:35,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:08:35,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:08:35,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:08:35,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:08:35,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:08:35,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:08:35,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:08:35,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:08:35,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:08:35,608 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:08:35,608 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:08:35,608 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:08:35,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:08:35,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:08:35,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:08:35,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:08:35,609 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 [2021-12-15 13:08:35,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:08:35,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:08:35,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:08:35,902 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:08:35,902 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:08:35,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-12-15 13:08:35,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e31c529d/2af7eaf6ccff4053925312ecaee16080/FLAGf15063dc5 [2021-12-15 13:08:36,710 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:08:36,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-12-15 13:08:36,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e31c529d/2af7eaf6ccff4053925312ecaee16080/FLAGf15063dc5 [2021-12-15 13:08:36,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e31c529d/2af7eaf6ccff4053925312ecaee16080 [2021-12-15 13:08:36,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:08:36,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:08:36,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:08:36,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:08:36,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:08:36,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:36" (1/1) ... [2021-12-15 13:08:36,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9de6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:36, skipping insertion in model container [2021-12-15 13:08:36,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:36" (1/1) ... [2021-12-15 13:08:36,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:08:37,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:08:37,548 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-12-15 13:08:37,549 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-12-15 13:08:37,788 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-12-15 13:08:39,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:08:39,221 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:08:39,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:08:39,331 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-12-15 13:08:39,331 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-12-15 13:08:39,345 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-12-15 13:08:39,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:08:39,636 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:08:39,750 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-12-15 13:08:39,751 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-12-15 13:08:39,754 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-12-15 13:08:39,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:08:40,077 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:08:40,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40 WrapperNode [2021-12-15 13:08:40,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:08:40,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:08:40,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:08:40,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:08:40,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2021-12-15 13:08:40,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2021-12-15 13:08:40,389 INFO L137 Inliner]: procedures = 308, calls = 6033, calls flagged for inlining = 92, calls inlined = 47, statements flattened = 4475 [2021-12-15 13:08:40,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:08:40,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:08:40,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:08:40,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:08:40,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2021-12-15 13:08:40,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2021-12-15 13:08:40,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2021-12-15 13:08:40,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2021-12-15 13:08:40,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2021-12-15 13:08:40,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2021-12-15 13:08:40,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2021-12-15 13:08:40,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:08:40,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:08:40,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:08:40,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:08:40,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2021-12-15 13:08:40,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:08:40,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:08:40,648 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 13:08:40,683 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 13:08:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:08:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:08:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:08:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:08:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:08:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:08:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-15 13:08:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-15 13:08:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:08:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:08:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure linear2alaw [2021-12-15 13:08:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2alaw [2021-12-15 13:08:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:08:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:08:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:08:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:08:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:08:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:08:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:08:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:08:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:08:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:08:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 13:08:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 13:08:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure linear2ulaw [2021-12-15 13:08:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2ulaw [2021-12-15 13:08:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:08:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:08:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:08:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:08:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:08:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:08:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:08:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:08:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:08:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:08:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:08:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:08:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:08:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:08:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:08:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:08:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:08:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:08:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 13:08:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 13:08:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_dsp_element_unregister [2021-12-15 13:08:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_dsp_element_unregister [2021-12-15 13:08:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:08:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:08:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:08:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:08:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-15 13:08:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-15 13:08:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:08:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:08:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:08:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-15 13:08:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-15 13:08:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:08:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:08:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-15 13:08:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-15 13:08:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-12-15 13:08:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-12-15 13:08:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 13:08:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 13:08:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_bits [2021-12-15 13:08:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_bits [2021-12-15 13:08:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:08:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:08:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:08:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:08:41,025 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:08:41,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:08:43,295 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:08:43,299 INFO L158 Benchmark]: Toolchain (without parser) took 6362.19ms. Allocated memory was 58.7MB in the beginning and 385.9MB in the end (delta: 327.2MB). Free memory was 28.6MB in the beginning and 182.8MB in the end (delta: -154.2MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. [2021-12-15 13:08:43,299 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:08:43,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3140.09ms. Allocated memory was 58.7MB in the beginning and 237.0MB in the end (delta: 178.3MB). Free memory was 28.4MB in the beginning and 70.7MB in the end (delta: -42.3MB). Peak memory consumption was 152.5MB. Max. memory is 16.1GB. [2021-12-15 13:08:43,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 311.51ms. Allocated memory was 237.0MB in the beginning and 385.9MB in the end (delta: 148.9MB). Free memory was 70.7MB in the beginning and 246.5MB in the end (delta: -175.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:08:43,300 INFO L158 Benchmark]: Boogie Preprocessor took 200.02ms. Allocated memory is still 385.9MB. Free memory was 246.5MB in the beginning and 217.4MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-15 13:08:43,301 INFO L158 Benchmark]: RCFGBuilder took 2706.17ms. Allocated memory is still 385.9MB. Free memory was 217.4MB in the beginning and 182.8MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-12-15 13:08:43,302 INFO L339 ainManager$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 58.7MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3140.09ms. Allocated memory was 58.7MB in the beginning and 237.0MB in the end (delta: 178.3MB). Free memory was 28.4MB in the beginning and 70.7MB in the end (delta: -42.3MB). Peak memory consumption was 152.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 311.51ms. Allocated memory was 237.0MB in the beginning and 385.9MB in the end (delta: 148.9MB). Free memory was 70.7MB in the beginning and 246.5MB in the end (delta: -175.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 200.02ms. Allocated memory is still 385.9MB. Free memory was 246.5MB in the beginning and 217.4MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2706.17ms. Allocated memory is still 385.9MB. Free memory was 217.4MB in the beginning and 182.8MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. 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 13:08:43,337 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