./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6344be269056834d180d9b5e1136d4ee678a64c336fe877230b0ca721a1da138 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:19,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:19,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:19,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:19,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:19,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:19,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:19,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:19,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:19,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:19,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:19,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:19,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:19,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:19,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:19,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:19,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:19,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:19,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:19,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:19,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:19,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:19,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:19,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:19,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:19,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:19,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:19,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:19,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:19,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:19,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:19,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:19,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:19,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:19,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:19,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:19,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:19,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:19,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:19,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:19,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:19,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:33:19,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:19,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:19,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:19,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:19,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:19,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:19,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:19,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:19,243 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:19,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:19,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:33:19,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:19,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:19,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:19,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:19,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:19,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:19,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:19,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:19,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:19,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:19,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:19,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:19,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:19,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:19,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:33:19,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:33:19,247 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:19,247 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:19,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:19,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:19,248 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6344be269056834d180d9b5e1136d4ee678a64c336fe877230b0ca721a1da138 [2021-12-15 12:33:19,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:19,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:19,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:19,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:19,508 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:19,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i [2021-12-15 12:33:19,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2a114b11/9fffca7488394e25ada00d1a45db27fc/FLAGdc57e12b1 [2021-12-15 12:33:20,338 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:20,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i [2021-12-15 12:33:20,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2a114b11/9fffca7488394e25ada00d1a45db27fc/FLAGdc57e12b1 [2021-12-15 12:33:20,853 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2a114b11/9fffca7488394e25ada00d1a45db27fc [2021-12-15 12:33:20,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:20,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:20,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:20,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:20,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:20,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7debc0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:20, skipping insertion in model container [2021-12-15 12:33:20,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:20" (1/1) ... [2021-12-15 12:33:20,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:21,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:22,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i[190502,190515] [2021-12-15 12:33:22,494 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:33:22,500 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:33:22,501 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:33:22,505 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:33:23,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:23,501 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:23,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i[190502,190515] [2021-12-15 12:33:23,920 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:33:23,922 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:33:23,922 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:33:23,926 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:33:24,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:24,402 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:24,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24 WrapperNode [2021-12-15 12:33:24,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:24,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:24,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:24,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:24,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,738 INFO L137 Inliner]: procedures = 352, calls = 6445, calls flagged for inlining = 152, calls inlined = 32, statements flattened = 4275 [2021-12-15 12:33:24,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:24,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:24,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:24,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:24,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:25,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:25,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:25,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:25,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:25,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:25,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:25,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:25,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:25,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:33:25,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:33:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2021-12-15 12:33:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2021-12-15 12:33:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-15 12:33:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-15 12:33:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:33:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:33:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:33:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2021-12-15 12:33:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2021-12-15 12:33:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:33:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:33:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 12:33:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 12:33:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2021-12-15 12:33:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2021-12-15 12:33:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-15 12:33:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-15 12:33:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:33:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:33:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2021-12-15 12:33:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2021-12-15 12:33:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:33:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:33:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_enterconfigmode [2021-12-15 12:33:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_enterconfigmode [2021-12-15 12:33:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:33:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:33:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure if_ioctl [2021-12-15 12:33:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure if_ioctl [2021-12-15 12:33:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:33:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:33:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmget [2021-12-15 12:33:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmget [2021-12-15 12:33:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:33:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:33:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:33:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:33:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure if_config [2021-12-15 12:33:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure if_config [2021-12-15 12:33:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:33:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:33:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure if_chars_in_buffer [2021-12-15 12:33:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure if_chars_in_buffer [2021-12-15 12:33:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure if_write_room [2021-12-15 12:33:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure if_write_room [2021-12-15 12:33:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure if_lock [2021-12-15 12:33:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure if_lock [2021-12-15 12:33:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:33:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:33:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure if_throttle [2021-12-15 12:33:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure if_throttle [2021-12-15 12:33:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 12:33:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 12:33:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:33:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:33:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:33:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2021-12-15 12:33:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2021-12-15 12:33:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-15 12:33:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-15 12:33:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:33:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:33:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:33:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:33:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:33:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-15 12:33:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:33:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:33:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:33:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-15 12:33:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-15 12:33:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-15 12:33:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-15 12:33:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmset [2021-12-15 12:33:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmset [2021-12-15 12:33:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 12:33:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 12:33:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure if_open [2021-12-15 12:33:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure if_open [2021-12-15 12:33:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:33:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:33:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure setflags [2021-12-15 12:33:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setflags [2021-12-15 12:33:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:33:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:33:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure if_unthrottle [2021-12-15 12:33:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure if_unthrottle [2021-12-15 12:33:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:33:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 12:33:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 12:33:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:33:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:33:25,544 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:25,546 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:25,770 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:33:25,770 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 12:33:25,788 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:25,791 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:26,031 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false;call ULTIMATE.dealloc(if_version_~#version~0#1.base, if_version_~#version~0#1.offset);havoc if_version_~#version~0#1.base, if_version_~#version~0#1.offset;call ULTIMATE.dealloc(if_version_~#compat~0#1.base, if_version_~#compat~0#1.offset);havoc if_version_~#compat~0#1.base, if_version_~#compat~0#1.offset;call ULTIMATE.dealloc(if_version_~#__wait~4#1.base, if_version_~#__wait~4#1.offset);havoc if_version_~#__wait~4#1.base, if_version_~#__wait~4#1.offset; [2021-12-15 12:33:26,032 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-12-15 12:33:26,032 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume !false; [2021-12-15 12:33:26,032 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume false; [2021-12-15 12:33:26,032 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2021-12-15 12:33:26,033 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2021-12-15 12:33:26,033 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2021-12-15 12:33:26,033 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2021-12-15 12:33:26,034 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-12-15 12:33:26,035 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-12-15 12:33:26,035 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2021-12-15 12:33:26,035 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2021-12-15 12:33:26,178 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2021-12-15 12:33:26,178 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2021-12-15 12:33:26,178 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5012-1: ~tmp~4#1.base, ~tmp~4#1.offset := #t~ret76#1.base, #t~ret76#1.offset;havoc #t~ret76#1.base, #t~ret76#1.offset;~__ptr~0#1.base, ~__ptr~0#1.offset := ~tmp~4#1.base, ~tmp~4#1.offset; [2021-12-15 12:33:26,179 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5012: SUMMARY for call #t~ret76#1.base, #t~ret76#1.offset := get_current(); srcloc: null [2021-12-15 12:33:26,181 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:26,183 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:26,186 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:26,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2021-12-15 12:33:26,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2021-12-15 12:33:26,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2021-12-15 12:33:26,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2021-12-15 12:33:26,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2021-12-15 12:33:26,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2021-12-15 12:33:26,537 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:12,608 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2021-12-15 12:34:12,608 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2021-12-15 12:34:12,624 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:34:12,642 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:34:12,642 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-15 12:34:12,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:12 BoogieIcfgContainer [2021-12-15 12:34:12,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:34:12,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:34:12,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:34:12,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:34:12,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:20" (1/3) ... [2021-12-15 12:34:12,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57abdad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:12, skipping insertion in model container [2021-12-15 12:34:12,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (2/3) ... [2021-12-15 12:34:12,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57abdad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:12, skipping insertion in model container [2021-12-15 12:34:12,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:12" (3/3) ... [2021-12-15 12:34:12,655 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i [2021-12-15 12:34:12,659 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:34:12,659 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:34:12,707 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:34:12,713 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:34:12,714 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:34:12,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 662 states, 501 states have (on average 1.405189620758483) internal successors, (704), 514 states have internal predecessors, (704), 117 states have call successors, (117), 43 states have call predecessors, (117), 43 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2021-12-15 12:34:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-15 12:34:12,752 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:34:12,753 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:34:12,753 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:34:12,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:34:12,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1164007444, now seen corresponding path program 1 times [2021-12-15 12:34:12,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:34:12,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064340799] [2021-12-15 12:34:12,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:34:12,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:34:12,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:34:12,897 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:12,903 INFO L158 Benchmark]: Toolchain (without parser) took 52044.27ms. Allocated memory was 109.1MB in the beginning and 889.2MB in the end (delta: 780.1MB). Free memory was 63.3MB in the beginning and 306.1MB in the end (delta: -242.9MB). Peak memory consumption was 535.2MB. Max. memory is 16.1GB. [2021-12-15 12:34:12,904 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:12,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3545.15ms. Allocated memory was 109.1MB in the beginning and 226.5MB in the end (delta: 117.4MB). Free memory was 63.3MB in the beginning and 113.1MB in the end (delta: -49.9MB). Peak memory consumption was 111.6MB. Max. memory is 16.1GB. [2021-12-15 12:34:12,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 334.29ms. Allocated memory is still 226.5MB. Free memory was 113.1MB in the beginning and 81.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:12,908 INFO L158 Benchmark]: Boogie Preprocessor took 298.75ms. Allocated memory was 226.5MB in the beginning and 310.4MB in the end (delta: 83.9MB). Free memory was 81.7MB in the beginning and 196.7MB in the end (delta: -115.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2021-12-15 12:34:12,911 INFO L158 Benchmark]: RCFGBuilder took 47607.71ms. Allocated memory was 310.4MB in the beginning and 889.2MB in the end (delta: 578.8MB). Free memory was 196.7MB in the beginning and 329.2MB in the end (delta: -132.5MB). Peak memory consumption was 543.8MB. Max. memory is 16.1GB. [2021-12-15 12:34:12,912 INFO L158 Benchmark]: TraceAbstraction took 253.18ms. Allocated memory is still 889.2MB. Free memory was 328.2MB in the beginning and 306.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:12,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3545.15ms. Allocated memory was 109.1MB in the beginning and 226.5MB in the end (delta: 117.4MB). Free memory was 63.3MB in the beginning and 113.1MB in the end (delta: -49.9MB). Peak memory consumption was 111.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 334.29ms. Allocated memory is still 226.5MB. Free memory was 113.1MB in the beginning and 81.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 298.75ms. Allocated memory was 226.5MB in the beginning and 310.4MB in the end (delta: 83.9MB). Free memory was 81.7MB in the beginning and 196.7MB in the end (delta: -115.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * RCFGBuilder took 47607.71ms. Allocated memory was 310.4MB in the beginning and 889.2MB in the end (delta: 578.8MB). Free memory was 196.7MB in the beginning and 329.2MB in the end (delta: -132.5MB). Peak memory consumption was 543.8MB. Max. memory is 16.1GB. * TraceAbstraction took 253.18ms. Allocated memory is still 889.2MB. Free memory was 328.2MB in the beginning and 306.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:34:12,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6344be269056834d180d9b5e1136d4ee678a64c336fe877230b0ca721a1da138 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:14,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:14,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:14,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:14,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:14,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:14,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:14,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:14,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:14,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:14,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:14,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:14,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:14,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:14,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:14,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:14,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:14,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:14,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:14,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:14,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:14,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:14,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:14,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:14,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:14,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:14,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:14,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:14,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:14,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:14,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:14,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:14,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:14,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:14,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:14,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:14,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:14,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:14,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:14,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:14,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:14,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:34:14,954 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:14,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:14,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:14,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:14,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:14,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:14,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:14,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:14,958 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:14,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:14,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:14,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:14,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:14,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:14,960 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:34:14,961 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:34:14,961 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:34:14,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:14,961 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:14,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:14,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:14,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:14,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:14,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:14,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:14,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:14,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:14,963 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:34:14,964 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:34:14,964 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:14,964 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:14,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:14,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:14,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:34:14,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6344be269056834d180d9b5e1136d4ee678a64c336fe877230b0ca721a1da138 [2021-12-15 12:34:15,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:15,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:15,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:15,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:15,311 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:15,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i [2021-12-15 12:34:15,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9261c6390/be085337777940e7886660d6922edf23/FLAG8c33caaf4 [2021-12-15 12:34:16,172 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:16,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i [2021-12-15 12:34:16,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9261c6390/be085337777940e7886660d6922edf23/FLAG8c33caaf4 [2021-12-15 12:34:16,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9261c6390/be085337777940e7886660d6922edf23 [2021-12-15 12:34:16,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:16,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:16,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:16,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:16,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:16,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65efe269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16, skipping insertion in model container [2021-12-15 12:34:16,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:16,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:18,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i[190502,190515] [2021-12-15 12:34:18,519 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:18,524 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:18,525 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:18,534 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:19,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:19,596 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:34:19,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:19,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i[190502,190515] [2021-12-15 12:34:19,979 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:19,981 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:19,981 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:19,984 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:20,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:20,218 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:20,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i[190502,190515] [2021-12-15 12:34:20,615 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:20,618 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:20,619 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:20,622 WARN L1533 CHandler]: Possible shadowing of function abort [2021-12-15 12:34:20,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:21,055 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:21,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21 WrapperNode [2021-12-15 12:34:21,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:21,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:21,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:21,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:21,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,357 INFO L137 Inliner]: procedures = 367, calls = 6444, calls flagged for inlining = 156, calls inlined = 36, statements flattened = 4438 [2021-12-15 12:34:21,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:21,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:21,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:21,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:21,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:21,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:21,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:21,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:21,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:21,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:21,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:34:21,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:34:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2021-12-15 12:34:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2021-12-15 12:34:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:34:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:34:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:34:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:34:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:34:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2021-12-15 12:34:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2021-12-15 12:34:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:34:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:34:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 12:34:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 12:34:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2021-12-15 12:34:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2021-12-15 12:34:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-15 12:34:21,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-15 12:34:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:34:21,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:34:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2021-12-15 12:34:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2021-12-15 12:34:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2021-12-15 12:34:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2021-12-15 12:34:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:34:21,642 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:34:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:34:21,642 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:34:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:34:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:21,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:34:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:34:21,644 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:34:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmget [2021-12-15 12:34:21,645 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmget [2021-12-15 12:34:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:34:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:34:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_INT [2021-12-15 12:34:21,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_INT [2021-12-15 12:34:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:34:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:34:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:34:21,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:34:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:34:21,647 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:34:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:34:21,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:34:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure if_chars_in_buffer [2021-12-15 12:34:21,647 INFO L138 BoogieDeclarations]: Found implementation of procedure if_chars_in_buffer [2021-12-15 12:34:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure if_write_room [2021-12-15 12:34:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure if_write_room [2021-12-15 12:34:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:34:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:34:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure if_throttle [2021-12-15 12:34:21,649 INFO L138 BoogieDeclarations]: Found implementation of procedure if_throttle [2021-12-15 12:34:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 12:34:21,649 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 12:34:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:34:21,649 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:34:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2021-12-15 12:34:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2021-12-15 12:34:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:34:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:34:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 12:34:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 12:34:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-15 12:34:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:34:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:34:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:34:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:34:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 12:34:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 12:34:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:34:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:34:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:34:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:34:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:34:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:34:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-15 12:34:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-15 12:34:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmset [2021-12-15 12:34:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmset [2021-12-15 12:34:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 12:34:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 12:34:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure if_open [2021-12-15 12:34:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure if_open [2021-12-15 12:34:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:34:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:34:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure setflags [2021-12-15 12:34:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setflags [2021-12-15 12:34:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure if_unthrottle [2021-12-15 12:34:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure if_unthrottle [2021-12-15 12:34:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:34:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 12:34:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 12:34:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:34:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:34:22,136 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:22,190 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:26,506 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:34:26,506 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false;