./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 eb692b52 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-?-eb692b5 [2022-07-19 22:22:26,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:22:26,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:22:26,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:22:26,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:22:26,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:22:26,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:22:26,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:22:26,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:22:26,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:22:26,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:22:26,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:22:26,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:22:26,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:22:26,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:22:26,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:22:26,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:22:26,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:22:26,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:22:26,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:22:26,348 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:22:26,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:22:26,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:22:26,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:22:26,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:22:26,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:22:26,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:22:26,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:22:26,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:22:26,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:22:26,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:22:26,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:22:26,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:22:26,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:22:26,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:22:26,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:22:26,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:22:26,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:22:26,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:22:26,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:22:26,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:22:26,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:22:26,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 22:22:26,389 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:22:26,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:22:26,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:22:26,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:22:26,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:22:26,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:22:26,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:22:26,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:22:26,391 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:22:26,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:22:26,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 22:22:26,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:22:26,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:22:26,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:22:26,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:22:26,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:22:26,393 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:22:26,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:22:26,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:22:26,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:22:26,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:22:26,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:22:26,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:22:26,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:22:26,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:22:26,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 22:22:26,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 22:22:26,395 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:22:26,396 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:22:26,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:22:26,396 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6344be269056834d180d9b5e1136d4ee678a64c336fe877230b0ca721a1da138 [2022-07-19 22:22:26,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:22:26,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:22:26,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:22:26,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:22:26,615 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:22:26,616 INFO L432 ainManager$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 [2022-07-19 22:22:26,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c313b792/0f8c81d3bae1417cbf0cef06f9799e03/FLAGccf21df70 [2022-07-19 22:22:27,407 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:22:27,408 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 [2022-07-19 22:22:27,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c313b792/0f8c81d3bae1417cbf0cef06f9799e03/FLAGccf21df70 [2022-07-19 22:22:27,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c313b792/0f8c81d3bae1417cbf0cef06f9799e03 [2022-07-19 22:22:27,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:22:27,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:22:27,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:22:27,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:22:27,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:22:27,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:22:27" (1/1) ... [2022-07-19 22:22:27,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80e8e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:27, skipping insertion in model container [2022-07-19 22:22:27,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:22:27" (1/1) ... [2022-07-19 22:22:27,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:22:27,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:22:28,786 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] [2022-07-19 22:22:29,175 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:22:29,177 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:22:29,178 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:22:29,181 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:22:29,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:22:30,032 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 22:22:30,189 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] [2022-07-19 22:22:30,279 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:22:30,281 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:22:30,281 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:22:30,283 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:22:30,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:22:30,576 INFO L208 MainTranslator]: Completed translation [2022-07-19 22:22:30,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30 WrapperNode [2022-07-19 22:22:30,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 22:22:30,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 22:22:30,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 22:22:30,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 22:22:30,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30" (1/1) ... [2022-07-19 22:22:30,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30" (1/1) ... [2022-07-19 22:22:30,798 INFO L137 Inliner]: procedures = 352, calls = 6447, calls flagged for inlining = 152, calls inlined = 32, statements flattened = 4308 [2022-07-19 22:22:30,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 22:22:30,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 22:22:30,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 22:22:30,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 22:22:30,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30" (1/1) ... [2022-07-19 22:22:30,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30" (1/1) ... [2022-07-19 22:22:30,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30" (1/1) ... [2022-07-19 22:22:30,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30" (1/1) ... [2022-07-19 22:22:30,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30" (1/1) ... [2022-07-19 22:22:30,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30" (1/1) ... [2022-07-19 22:22:30,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30" (1/1) ... [2022-07-19 22:22:30,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 22:22:30,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 22:22:30,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 22:22:30,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 22:22:30,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30" (1/1) ... [2022-07-19 22:22:30,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:22:30,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:22:30,996 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) [2022-07-19 22:22:31,014 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 [2022-07-19 22:22:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-07-19 22:22:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-07-19 22:22:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-19 22:22:31,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-19 22:22:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-19 22:22:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 22:22:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 22:22:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-07-19 22:22:31,026 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-07-19 22:22:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-19 22:22:31,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-19 22:22:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 22:22:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 22:22:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-19 22:22:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-19 22:22:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2022-07-19 22:22:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2022-07-19 22:22:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-19 22:22:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-19 22:22:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 22:22:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 22:22:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-07-19 22:22:31,028 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-07-19 22:22:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 22:22:31,028 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 22:22:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_enterconfigmode [2022-07-19 22:22:31,028 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_enterconfigmode [2022-07-19 22:22:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 22:22:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 22:22:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-19 22:22:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-19 22:22:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure if_ioctl [2022-07-19 22:22:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure if_ioctl [2022-07-19 22:22:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-19 22:22:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-19 22:22:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 22:22:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 22:22:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-19 22:22:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-19 22:22:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmget [2022-07-19 22:22:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmget [2022-07-19 22:22:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 22:22:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 22:22:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-19 22:22:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-19 22:22:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure if_config [2022-07-19 22:22:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure if_config [2022-07-19 22:22:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-19 22:22:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-19 22:22:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure if_chars_in_buffer [2022-07-19 22:22:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure if_chars_in_buffer [2022-07-19 22:22:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure if_write_room [2022-07-19 22:22:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure if_write_room [2022-07-19 22:22:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure if_lock [2022-07-19 22:22:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure if_lock [2022-07-19 22:22:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 22:22:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 22:22:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure if_throttle [2022-07-19 22:22:31,034 INFO L138 BoogieDeclarations]: Found implementation of procedure if_throttle [2022-07-19 22:22:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-19 22:22:31,034 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-19 22:22:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 22:22:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-19 22:22:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-19 22:22:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2022-07-19 22:22:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2022-07-19 22:22:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-19 22:22:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-19 22:22:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 22:22:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 22:22:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 22:22:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 22:22:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 22:22:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-07-19 22:22:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 22:22:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-19 22:22:31,036 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-19 22:22:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 22:22:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 22:22:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 22:22:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-19 22:22:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-19 22:22:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-19 22:22:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-19 22:22:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmset [2022-07-19 22:22:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmset [2022-07-19 22:22:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-19 22:22:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-19 22:22:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure if_open [2022-07-19 22:22:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure if_open [2022-07-19 22:22:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 22:22:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 22:22:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure setflags [2022-07-19 22:22:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setflags [2022-07-19 22:22:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-19 22:22:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-19 22:22:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure if_unthrottle [2022-07-19 22:22:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure if_unthrottle [2022-07-19 22:22:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 22:22:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-19 22:22:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-19 22:22:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 22:22:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 22:22:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-19 22:22:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-19 22:22:31,444 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 22:22:31,445 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 22:22:31,751 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-19 22:22:31,751 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-19 22:22:31,770 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:22:31,773 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:22:31,920 INFO L764 $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; [2022-07-19 22:22:31,920 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2022-07-19 22:22:31,921 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume !false; [2022-07-19 22:22:31,921 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume false; [2022-07-19 22:22:31,921 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2022-07-19 22:22:31,921 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2022-07-19 22:22:31,922 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2022-07-19 22:22:31,922 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2022-07-19 22:22:31,922 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-19 22:22:31,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-19 22:22:31,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-07-19 22:22:31,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-07-19 22:22:32,119 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-07-19 22:22:32,119 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-07-19 22:22:32,119 INFO L764 $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; [2022-07-19 22:22:32,120 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5012: SUMMARY for call #t~ret76#1.base, #t~ret76#1.offset := get_current(); srcloc: null [2022-07-19 22:22:32,121 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:22:32,121 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:22:32,122 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:22:32,190 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-07-19 22:22:32,190 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-07-19 22:22:32,190 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2022-07-19 22:22:32,190 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2022-07-19 22:22:32,190 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-07-19 22:22:32,191 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-07-19 22:22:32,339 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:23:20,351 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2022-07-19 22:23:20,351 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2022-07-19 22:23:20,364 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 22:23:20,385 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 22:23:20,385 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-19 22:23:20,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:23:20 BoogieIcfgContainer [2022-07-19 22:23:20,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 22:23:20,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 22:23:20,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 22:23:20,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 22:23:20,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:22:27" (1/3) ... [2022-07-19 22:23:20,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7759a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:23:20, skipping insertion in model container [2022-07-19 22:23:20,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:30" (2/3) ... [2022-07-19 22:23:20,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7759a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:23:20, skipping insertion in model container [2022-07-19 22:23:20,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:23:20" (3/3) ... [2022-07-19 22:23:20,396 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i [2022-07-19 22:23:20,406 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 22:23:20,406 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 22:23:20,468 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 22:23:20,474 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@25a7a263, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6bdc99b0 [2022-07-19 22:23:20,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 22:23:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 689 states, 528 states have (on average 1.4299242424242424) internal successors, (755), 541 states have internal predecessors, (755), 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) [2022-07-19 22:23:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-19 22:23:20,487 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:20,487 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:23:20,488 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:20,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:20,493 INFO L85 PathProgramCache]: Analyzing trace with hash 554602658, now seen corresponding path program 1 times [2022-07-19 22:23:20,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:23:20,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099331170] [2022-07-19 22:23:20,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:20,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:23:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:23:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:21,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:23:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:21,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:23:21,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:23:21,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099331170] [2022-07-19 22:23:21,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099331170] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:21,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:21,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 22:23:21,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026731725] [2022-07-19 22:23:21,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:21,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 22:23:21,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:23:21,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 22:23:21,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 22:23:21,273 INFO L87 Difference]: Start difference. First operand has 689 states, 528 states have (on average 1.4299242424242424) internal successors, (755), 541 states have internal predecessors, (755), 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) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 22:23:23,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:23:23,490 INFO L93 Difference]: Finished difference Result 2247 states and 3378 transitions. [2022-07-19 22:23:23,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 22:23:23,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-07-19 22:23:23,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:23:23,514 INFO L225 Difference]: With dead ends: 2247 [2022-07-19 22:23:23,514 INFO L226 Difference]: Without dead ends: 1555 [2022-07-19 22:23:23,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 22:23:23,527 INFO L413 NwaCegarLoop]: 1076 mSDtfsCounter, 1687 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 2174 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-19 22:23:23,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 2174 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-19 22:23:23,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2022-07-19 22:23:23,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1446. [2022-07-19 22:23:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 1117 states have (on average 1.3894359892569381) internal successors, (1552), 1141 states have internal predecessors, (1552), 237 states have call successors, (237), 85 states have call predecessors, (237), 91 states have return successors, (282), 239 states have call predecessors, (282), 235 states have call successors, (282) [2022-07-19 22:23:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 2071 transitions. [2022-07-19 22:23:23,670 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 2071 transitions. Word has length 22 [2022-07-19 22:23:23,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:23:23,671 INFO L495 AbstractCegarLoop]: Abstraction has 1446 states and 2071 transitions. [2022-07-19 22:23:23,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 22:23:23,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2071 transitions. [2022-07-19 22:23:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-07-19 22:23:23,679 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:23,680 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:23:23,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 22:23:23,680 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:23,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:23,681 INFO L85 PathProgramCache]: Analyzing trace with hash -515685247, now seen corresponding path program 1 times [2022-07-19 22:23:23,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:23:23,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95011670] [2022-07-19 22:23:23,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:23,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:23:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:23:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:24,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:23:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:24,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 22:23:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 22:23:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:23:24,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:23:24,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95011670] [2022-07-19 22:23:24,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95011670] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:24,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:24,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 22:23:24,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188059778] [2022-07-19 22:23:24,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:24,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 22:23:24,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:23:24,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 22:23:24,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 22:23:24,104 INFO L87 Difference]: Start difference. First operand 1446 states and 2071 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 22:23:26,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:23:26,087 INFO L93 Difference]: Finished difference Result 3398 states and 4975 transitions. [2022-07-19 22:23:26,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 22:23:26,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2022-07-19 22:23:26,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:23:26,098 INFO L225 Difference]: With dead ends: 3398 [2022-07-19 22:23:26,098 INFO L226 Difference]: Without dead ends: 1957 [2022-07-19 22:23:26,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-19 22:23:26,105 INFO L413 NwaCegarLoop]: 987 mSDtfsCounter, 877 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 2803 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-19 22:23:26,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 2803 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-19 22:23:26,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2022-07-19 22:23:26,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1833. [2022-07-19 22:23:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1833 states, 1432 states have (on average 1.4113128491620113) internal successors, (2021), 1468 states have internal predecessors, (2021), 309 states have call successors, (309), 85 states have call predecessors, (309), 91 states have return successors, (372), 307 states have call predecessors, (372), 307 states have call successors, (372) [2022-07-19 22:23:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2702 transitions. [2022-07-19 22:23:26,161 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2702 transitions. Word has length 42 [2022-07-19 22:23:26,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:23:26,161 INFO L495 AbstractCegarLoop]: Abstraction has 1833 states and 2702 transitions. [2022-07-19 22:23:26,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 22:23:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2702 transitions. [2022-07-19 22:23:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-19 22:23:26,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:26,164 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:23:26,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 22:23:26,164 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:26,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:26,164 INFO L85 PathProgramCache]: Analyzing trace with hash 350386510, now seen corresponding path program 1 times [2022-07-19 22:23:26,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:23:26,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882366495] [2022-07-19 22:23:26,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:26,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:23:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:26,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:23:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:26,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:23:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-19 22:23:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:26,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 22:23:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:23:26,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:23:26,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882366495] [2022-07-19 22:23:26,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882366495] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:26,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:26,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 22:23:26,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245578557] [2022-07-19 22:23:26,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:26,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 22:23:26,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:23:26,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 22:23:26,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-19 22:23:26,536 INFO L87 Difference]: Start difference. First operand 1833 states and 2702 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 22:23:29,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:23:29,828 INFO L93 Difference]: Finished difference Result 3855 states and 5841 transitions. [2022-07-19 22:23:29,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 22:23:29,840 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2022-07-19 22:23:29,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:23:29,850 INFO L225 Difference]: With dead ends: 3855 [2022-07-19 22:23:29,850 INFO L226 Difference]: Without dead ends: 2029 [2022-07-19 22:23:29,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-07-19 22:23:29,860 INFO L413 NwaCegarLoop]: 918 mSDtfsCounter, 1060 mSDsluCounter, 2884 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 3802 SdHoareTripleChecker+Invalid, 2639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 400 IncrementalHoareTripleChecker+Valid, 2239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-19 22:23:29,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 3802 Invalid, 2639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [400 Valid, 2239 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-19 22:23:29,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2022-07-19 22:23:29,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 1815. [2022-07-19 22:23:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1406 states have (on average 1.406827880512091) internal successors, (1978), 1441 states have internal predecessors, (1978), 314 states have call successors, (314), 85 states have call predecessors, (314), 94 states have return successors, (383), 318 states have call predecessors, (383), 312 states have call successors, (383) [2022-07-19 22:23:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2675 transitions. [2022-07-19 22:23:29,917 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2675 transitions. Word has length 47 [2022-07-19 22:23:29,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:23:29,917 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 2675 transitions. [2022-07-19 22:23:29,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 22:23:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2675 transitions. [2022-07-19 22:23:29,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-19 22:23:29,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:29,919 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:23:29,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 22:23:29,920 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:29,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:29,920 INFO L85 PathProgramCache]: Analyzing trace with hash 733442756, now seen corresponding path program 1 times [2022-07-19 22:23:29,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:23:29,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406589436] [2022-07-19 22:23:29,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:29,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:23:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:30,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:23:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:30,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:23:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:30,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 22:23:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:23:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:23:30,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:23:30,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406589436] [2022-07-19 22:23:30,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406589436] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:30,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:30,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 22:23:30,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606500429] [2022-07-19 22:23:30,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:30,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 22:23:30,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:23:30,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 22:23:30,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-19 22:23:30,286 INFO L87 Difference]: Start difference. First operand 1815 states and 2675 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-19 22:23:33,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:23:33,843 INFO L93 Difference]: Finished difference Result 3113 states and 4760 transitions. [2022-07-19 22:23:33,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 22:23:33,843 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46 [2022-07-19 22:23:33,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:23:33,853 INFO L225 Difference]: With dead ends: 3113 [2022-07-19 22:23:33,854 INFO L226 Difference]: Without dead ends: 2151 [2022-07-19 22:23:33,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-07-19 22:23:33,858 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 1587 mSDsluCounter, 2857 mSDsCounter, 0 mSdLazyCounter, 2876 mSolverCounterSat, 654 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 3729 SdHoareTripleChecker+Invalid, 3530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 654 IncrementalHoareTripleChecker+Valid, 2876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-19 22:23:33,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 3729 Invalid, 3530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [654 Valid, 2876 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-19 22:23:33,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2022-07-19 22:23:33,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 1815. [2022-07-19 22:23:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1406 states have (on average 1.4061166429587482) internal successors, (1977), 1441 states have internal predecessors, (1977), 314 states have call successors, (314), 85 states have call predecessors, (314), 94 states have return successors, (383), 318 states have call predecessors, (383), 312 states have call successors, (383) [2022-07-19 22:23:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2674 transitions. [2022-07-19 22:23:33,957 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2674 transitions. Word has length 46 [2022-07-19 22:23:33,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:23:33,958 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 2674 transitions. [2022-07-19 22:23:33,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-19 22:23:33,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2674 transitions. [2022-07-19 22:23:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-19 22:23:33,960 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:33,960 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:23:33,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 22:23:33,962 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:33,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:33,963 INFO L85 PathProgramCache]: Analyzing trace with hash -686085452, now seen corresponding path program 1 times [2022-07-19 22:23:33,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:23:33,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481782884] [2022-07-19 22:23:33,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:33,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:23:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:23:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:34,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:23:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:34,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-19 22:23:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:34,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 22:23:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:23:34,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:23:34,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481782884] [2022-07-19 22:23:34,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481782884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:34,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:34,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 22:23:34,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215296952] [2022-07-19 22:23:34,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:34,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 22:23:34,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:23:34,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 22:23:34,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 22:23:34,327 INFO L87 Difference]: Start difference. First operand 1815 states and 2674 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 22:23:36,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:40,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:23:40,470 INFO L93 Difference]: Finished difference Result 3181 states and 4862 transitions. [2022-07-19 22:23:40,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 22:23:40,471 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2022-07-19 22:23:40,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:23:40,486 INFO L225 Difference]: With dead ends: 3181 [2022-07-19 22:23:40,487 INFO L226 Difference]: Without dead ends: 3178 [2022-07-19 22:23:40,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-19 22:23:40,489 INFO L413 NwaCegarLoop]: 2071 mSDtfsCounter, 4013 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 4457 mSolverCounterSat, 1673 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4095 SdHoareTripleChecker+Valid, 6106 SdHoareTripleChecker+Invalid, 6130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1673 IncrementalHoareTripleChecker+Valid, 4457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-07-19 22:23:40,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4095 Valid, 6106 Invalid, 6130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1673 Valid, 4457 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-07-19 22:23:40,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2022-07-19 22:23:40,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 2774. [2022-07-19 22:23:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2144 states have (on average 1.4039179104477613) internal successors, (3010), 2196 states have internal predecessors, (3010), 481 states have call successors, (481), 127 states have call predecessors, (481), 148 states have return successors, (663), 496 states have call predecessors, (663), 479 states have call successors, (663) [2022-07-19 22:23:40,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 4154 transitions. [2022-07-19 22:23:40,571 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 4154 transitions. Word has length 49 [2022-07-19 22:23:40,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:23:40,572 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 4154 transitions. [2022-07-19 22:23:40,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 22:23:40,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 4154 transitions. [2022-07-19 22:23:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-19 22:23:40,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:40,574 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:23:40,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 22:23:40,575 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:40,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:40,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1452746292, now seen corresponding path program 1 times [2022-07-19 22:23:40,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:23:40,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502916263] [2022-07-19 22:23:40,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:40,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:23:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:23:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:23:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:40,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 22:23:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:40,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 22:23:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:40,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 22:23:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:23:40,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:23:40,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502916263] [2022-07-19 22:23:40,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502916263] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:40,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:40,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 22:23:40,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158389786] [2022-07-19 22:23:40,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:40,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 22:23:40,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:23:40,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 22:23:40,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 22:23:40,920 INFO L87 Difference]: Start difference. First operand 2774 states and 4154 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 22:23:43,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:45,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:23:45,796 INFO L93 Difference]: Finished difference Result 5829 states and 8817 transitions. [2022-07-19 22:23:45,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 22:23:45,797 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-07-19 22:23:45,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:23:45,811 INFO L225 Difference]: With dead ends: 5829 [2022-07-19 22:23:45,811 INFO L226 Difference]: Without dead ends: 3059 [2022-07-19 22:23:45,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 22:23:45,822 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 906 mSDsluCounter, 2301 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 342 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-19 22:23:45,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 3186 Invalid, 2406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 2063 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-07-19 22:23:45,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3059 states. [2022-07-19 22:23:45,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3059 to 2555. [2022-07-19 22:23:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2555 states, 1969 states have (on average 1.3961401726764855) internal successors, (2749), 2015 states have internal predecessors, (2749), 438 states have call successors, (438), 125 states have call predecessors, (438), 147 states have return successors, (601), 455 states have call predecessors, (601), 436 states have call successors, (601) [2022-07-19 22:23:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3788 transitions. [2022-07-19 22:23:45,903 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3788 transitions. Word has length 59 [2022-07-19 22:23:45,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:23:45,904 INFO L495 AbstractCegarLoop]: Abstraction has 2555 states and 3788 transitions. [2022-07-19 22:23:45,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 22:23:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3788 transitions. [2022-07-19 22:23:45,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-19 22:23:45,905 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:45,906 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:23:45,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 22:23:45,906 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:45,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:45,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1957736655, now seen corresponding path program 1 times [2022-07-19 22:23:45,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:23:45,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929769844] [2022-07-19 22:23:45,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:45,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:23:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:46,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:23:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:46,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:23:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:46,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 22:23:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:46,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 22:23:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:46,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 22:23:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:46,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-19 22:23:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:23:46,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:23:46,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929769844] [2022-07-19 22:23:46,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929769844] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:46,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:46,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 22:23:46,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109301010] [2022-07-19 22:23:46,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:46,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 22:23:46,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:23:46,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 22:23:46,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-19 22:23:46,310 INFO L87 Difference]: Start difference. First operand 2555 states and 3788 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 22:23:49,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:51,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:23:51,245 INFO L93 Difference]: Finished difference Result 5706 states and 8935 transitions. [2022-07-19 22:23:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 22:23:51,246 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2022-07-19 22:23:51,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:23:51,259 INFO L225 Difference]: With dead ends: 5706 [2022-07-19 22:23:51,260 INFO L226 Difference]: Without dead ends: 3158 [2022-07-19 22:23:51,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-07-19 22:23:51,271 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 1112 mSDsluCounter, 1905 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 2768 SdHoareTripleChecker+Invalid, 2319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-19 22:23:51,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1159 Valid, 2768 Invalid, 2319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-19 22:23:51,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2022-07-19 22:23:51,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 2561. [2022-07-19 22:23:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 1975 states have (on average 1.3949367088607596) internal successors, (2755), 2021 states have internal predecessors, (2755), 438 states have call successors, (438), 125 states have call predecessors, (438), 147 states have return successors, (601), 455 states have call predecessors, (601), 436 states have call successors, (601) [2022-07-19 22:23:51,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3794 transitions. [2022-07-19 22:23:51,361 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3794 transitions. Word has length 58 [2022-07-19 22:23:51,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:23:51,361 INFO L495 AbstractCegarLoop]: Abstraction has 2561 states and 3794 transitions. [2022-07-19 22:23:51,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 22:23:51,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3794 transitions. [2022-07-19 22:23:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-19 22:23:51,363 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:51,363 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:23:51,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 22:23:51,364 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:51,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:51,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1392254320, now seen corresponding path program 1 times [2022-07-19 22:23:51,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:23:51,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371797980] [2022-07-19 22:23:51,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:51,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:23:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:23:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:23:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:51,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 22:23:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 22:23:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 22:23:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 22:23:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:51,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 22:23:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:51,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 22:23:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-19 22:23:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:23:51,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:23:51,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371797980] [2022-07-19 22:23:51,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371797980] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:51,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:51,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 22:23:51,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596408923] [2022-07-19 22:23:51,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:51,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 22:23:51,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:23:51,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 22:23:51,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-19 22:23:51,840 INFO L87 Difference]: Start difference. First operand 2561 states and 3794 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-19 22:23:53,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:57,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:23:57,170 INFO L93 Difference]: Finished difference Result 5757 states and 9010 transitions. [2022-07-19 22:23:57,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-19 22:23:57,171 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2022-07-19 22:23:57,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:23:57,186 INFO L225 Difference]: With dead ends: 5757 [2022-07-19 22:23:57,186 INFO L226 Difference]: Without dead ends: 3203 [2022-07-19 22:23:57,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2022-07-19 22:23:57,198 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 1167 mSDsluCounter, 2896 mSDsCounter, 0 mSdLazyCounter, 2973 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 3745 SdHoareTripleChecker+Invalid, 3447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 2973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-19 22:23:57,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 3745 Invalid, 3447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 2973 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-19 22:23:57,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2022-07-19 22:23:57,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 2600. [2022-07-19 22:23:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2600 states, 2005 states have (on average 1.3950124688279302) internal successors, (2797), 2051 states have internal predecessors, (2797), 447 states have call successors, (447), 125 states have call predecessors, (447), 147 states have return successors, (610), 464 states have call predecessors, (610), 445 states have call successors, (610) [2022-07-19 22:23:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2600 states and 3854 transitions. [2022-07-19 22:23:57,299 INFO L78 Accepts]: Start accepts. Automaton has 2600 states and 3854 transitions. Word has length 77 [2022-07-19 22:23:57,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:23:57,299 INFO L495 AbstractCegarLoop]: Abstraction has 2600 states and 3854 transitions. [2022-07-19 22:23:57,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-19 22:23:57,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3854 transitions. [2022-07-19 22:23:57,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-19 22:23:57,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:57,302 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:23:57,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 22:23:57,303 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:57,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:57,303 INFO L85 PathProgramCache]: Analyzing trace with hash 102465375, now seen corresponding path program 1 times [2022-07-19 22:23:57,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:23:57,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312527197] [2022-07-19 22:23:57,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:57,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:23:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:59,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:23:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:23:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:59,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 22:24:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 22:24:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 22:24:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 22:24:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:00,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 22:24:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 22:24:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-19 22:24:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:00,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 22:24:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 22:24:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:00,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:24:00,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:24:00,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312527197] [2022-07-19 22:24:00,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312527197] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:24:00,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:24:00,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 22:24:00,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858222534] [2022-07-19 22:24:00,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:24:00,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 22:24:00,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:24:00,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 22:24:00,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-07-19 22:24:00,199 INFO L87 Difference]: Start difference. First operand 2600 states and 3854 transitions. Second operand has 12 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 5 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-19 22:24:02,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:24:03,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:24:08,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:24:08,534 INFO L93 Difference]: Finished difference Result 5160 states and 8040 transitions. [2022-07-19 22:24:08,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-19 22:24:08,535 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 5 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 93 [2022-07-19 22:24:08,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:24:08,550 INFO L225 Difference]: With dead ends: 5160 [2022-07-19 22:24:08,551 INFO L226 Difference]: Without dead ends: 3204 [2022-07-19 22:24:08,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2022-07-19 22:24:08,560 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 1599 mSDsluCounter, 4365 mSDsCounter, 0 mSdLazyCounter, 4610 mSolverCounterSat, 652 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1643 SdHoareTripleChecker+Valid, 5239 SdHoareTripleChecker+Invalid, 5262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 652 IncrementalHoareTripleChecker+Valid, 4610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-07-19 22:24:08,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1643 Valid, 5239 Invalid, 5262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [652 Valid, 4610 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-07-19 22:24:08,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2022-07-19 22:24:08,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 2598. [2022-07-19 22:24:08,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2598 states, 2003 states have (on average 1.3954068896655016) internal successors, (2795), 2051 states have internal predecessors, (2795), 447 states have call successors, (447), 125 states have call predecessors, (447), 147 states have return successors, (608), 462 states have call predecessors, (608), 445 states have call successors, (608) [2022-07-19 22:24:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2598 states and 3850 transitions. [2022-07-19 22:24:08,651 INFO L78 Accepts]: Start accepts. Automaton has 2598 states and 3850 transitions. Word has length 93 [2022-07-19 22:24:08,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:24:08,652 INFO L495 AbstractCegarLoop]: Abstraction has 2598 states and 3850 transitions. [2022-07-19 22:24:08,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 5 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-19 22:24:08,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 3850 transitions. [2022-07-19 22:24:08,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-19 22:24:08,654 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:24:08,654 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:24:08,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 22:24:08,655 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:24:08,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:24:08,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1663302023, now seen corresponding path program 1 times [2022-07-19 22:24:08,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:24:08,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357614676] [2022-07-19 22:24:08,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:24:08,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:24:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:08,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:24:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:08,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:24:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 22:24:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 22:24:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 22:24:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:09,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 22:24:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 22:24:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 22:24:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-19 22:24:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:09,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 22:24:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 22:24:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:24:09,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:24:09,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357614676] [2022-07-19 22:24:09,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357614676] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:24:09,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:24:09,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 22:24:09,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570350629] [2022-07-19 22:24:09,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:24:09,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 22:24:09,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:24:09,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 22:24:09,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-19 22:24:09,100 INFO L87 Difference]: Start difference. First operand 2598 states and 3850 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-19 22:24:10,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:24:13,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:24:13,470 INFO L93 Difference]: Finished difference Result 3393 states and 5265 transitions. [2022-07-19 22:24:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 22:24:13,471 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 93 [2022-07-19 22:24:13,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:24:13,494 INFO L225 Difference]: With dead ends: 3393 [2022-07-19 22:24:13,494 INFO L226 Difference]: Without dead ends: 3388 [2022-07-19 22:24:13,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2022-07-19 22:24:13,497 INFO L413 NwaCegarLoop]: 1010 mSDtfsCounter, 1772 mSDsluCounter, 3444 mSDsCounter, 0 mSdLazyCounter, 2867 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 4454 SdHoareTripleChecker+Invalid, 3539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 2867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-19 22:24:13,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 4454 Invalid, 3539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 2867 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-19 22:24:13,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2022-07-19 22:24:13,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 2601. [2022-07-19 22:24:13,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2601 states, 2006 states have (on average 1.3943170488534398) internal successors, (2797), 2053 states have internal predecessors, (2797), 447 states have call successors, (447), 125 states have call predecessors, (447), 147 states have return successors, (608), 463 states have call predecessors, (608), 445 states have call successors, (608) [2022-07-19 22:24:13,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2601 states and 3852 transitions. [2022-07-19 22:24:13,589 INFO L78 Accepts]: Start accepts. Automaton has 2601 states and 3852 transitions. Word has length 93 [2022-07-19 22:24:13,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:24:13,590 INFO L495 AbstractCegarLoop]: Abstraction has 2601 states and 3852 transitions. [2022-07-19 22:24:13,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-19 22:24:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 3852 transitions. [2022-07-19 22:24:13,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-19 22:24:13,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:24:13,592 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:24:13,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 22:24:13,592 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:24:13,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:24:13,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1902771639, now seen corresponding path program 1 times [2022-07-19 22:24:13,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:24:13,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658049472] [2022-07-19 22:24:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:24:13,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:24:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:24:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:24:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 22:24:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 22:24:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 22:24:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 22:24:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:13,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 22:24:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:13,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 22:24:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:13,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-19 22:24:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:13,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 22:24:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 22:24:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:24:14,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:24:14,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658049472] [2022-07-19 22:24:14,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658049472] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:24:14,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:24:14,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 22:24:14,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531439253] [2022-07-19 22:24:14,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:24:14,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 22:24:14,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:24:14,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 22:24:14,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-19 22:24:14,026 INFO L87 Difference]: Start difference. First operand 2601 states and 3852 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-19 22:24:23,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:24:23,071 INFO L93 Difference]: Finished difference Result 6236 states and 9888 transitions. [2022-07-19 22:24:23,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-19 22:24:23,071 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 95 [2022-07-19 22:24:23,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:24:23,092 INFO L225 Difference]: With dead ends: 6236 [2022-07-19 22:24:23,092 INFO L226 Difference]: Without dead ends: 5241 [2022-07-19 22:24:23,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2022-07-19 22:24:23,099 INFO L413 NwaCegarLoop]: 893 mSDtfsCounter, 4098 mSDsluCounter, 3092 mSDsCounter, 0 mSdLazyCounter, 5463 mSolverCounterSat, 2018 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4170 SdHoareTripleChecker+Valid, 3985 SdHoareTripleChecker+Invalid, 7481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2018 IncrementalHoareTripleChecker+Valid, 5463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-07-19 22:24:23,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4170 Valid, 3985 Invalid, 7481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2018 Valid, 5463 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-07-19 22:24:23,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5241 states. [2022-07-19 22:24:23,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5241 to 4330. [2022-07-19 22:24:23,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4330 states, 3320 states have (on average 1.380722891566265) internal successors, (4584), 3387 states have internal predecessors, (4584), 751 states have call successors, (751), 199 states have call predecessors, (751), 258 states have return successors, (1384), 813 states have call predecessors, (1384), 749 states have call successors, (1384) [2022-07-19 22:24:23,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4330 states to 4330 states and 6719 transitions. [2022-07-19 22:24:23,258 INFO L78 Accepts]: Start accepts. Automaton has 4330 states and 6719 transitions. Word has length 95 [2022-07-19 22:24:23,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:24:23,258 INFO L495 AbstractCegarLoop]: Abstraction has 4330 states and 6719 transitions. [2022-07-19 22:24:23,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-19 22:24:23,259 INFO L276 IsEmpty]: Start isEmpty. Operand 4330 states and 6719 transitions. [2022-07-19 22:24:23,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-19 22:24:23,261 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:24:23,261 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:24:23,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 22:24:23,261 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:24:23,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:24:23,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1336599760, now seen corresponding path program 1 times [2022-07-19 22:24:23,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:24:23,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129201617] [2022-07-19 22:24:23,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:24:23,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:24:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 22:24:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 22:24:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 22:24:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 22:24:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 22:24:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 22:24:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 22:24:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 22:24:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-19 22:24:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 22:24:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 22:24:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:24:23,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:24:23,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129201617] [2022-07-19 22:24:23,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129201617] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 22:24:23,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885875415] [2022-07-19 22:24:23,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:24:23,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 22:24:23,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:24:23,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 22:24:23,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 22:24:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:24:24,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 8298 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 22:24:24,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:24:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 22:24:24,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:24:24,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885875415] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:24:24,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 22:24:24,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2022-07-19 22:24:24,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259303081] [2022-07-19 22:24:24,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:24:24,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 22:24:24,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:24:24,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 22:24:24,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-19 22:24:24,849 INFO L87 Difference]: Start difference. First operand 4330 states and 6719 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-19 22:24:24,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:24:24,992 INFO L93 Difference]: Finished difference Result 8016 states and 12456 transitions. [2022-07-19 22:24:24,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 22:24:24,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 96 [2022-07-19 22:24:24,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:24:25,010 INFO L225 Difference]: With dead ends: 8016 [2022-07-19 22:24:25,010 INFO L226 Difference]: Without dead ends: 4330 [2022-07-19 22:24:25,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-19 22:24:25,024 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 249 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 22:24:25,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 2823 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 22:24:25,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4330 states. [2022-07-19 22:24:25,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4330 to 4330. [2022-07-19 22:24:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4330 states, 3320 states have (on average 1.377710843373494) internal successors, (4574), 3387 states have internal predecessors, (4574), 751 states have call successors, (751), 199 states have call predecessors, (751), 258 states have return successors, (1384), 813 states have call predecessors, (1384), 749 states have call successors, (1384) [2022-07-19 22:24:25,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4330 states to 4330 states and 6709 transitions. [2022-07-19 22:24:25,168 INFO L78 Accepts]: Start accepts. Automaton has 4330 states and 6709 transitions. Word has length 96 [2022-07-19 22:24:25,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:24:25,169 INFO L495 AbstractCegarLoop]: Abstraction has 4330 states and 6709 transitions. [2022-07-19 22:24:25,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-19 22:24:25,169 INFO L276 IsEmpty]: Start isEmpty. Operand 4330 states and 6709 transitions. [2022-07-19 22:24:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-19 22:24:25,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:24:25,178 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:24:25,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 22:24:25,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-19 22:24:25,403 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:24:25,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:24:25,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1356963481, now seen corresponding path program 1 times [2022-07-19 22:24:25,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:24:25,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937525164] [2022-07-19 22:24:25,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:24:25,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:24:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 22:24:27,434 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 22:24:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 22:24:29,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 22:24:29,946 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 22:24:29,947 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 22:24:29,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-19 22:24:29,950 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:24:29,953 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 22:24:30,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:24:30 BoogieIcfgContainer [2022-07-19 22:24:30,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 22:24:30,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 22:24:30,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 22:24:30,064 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 22:24:30,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:23:20" (3/4) ... [2022-07-19 22:24:30,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 22:24:30,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 22:24:30,067 INFO L158 Benchmark]: Toolchain (without parser) took 122358.24ms. Allocated memory was 109.1MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 61.8MB in the beginning and 649.2MB in the end (delta: -587.5MB). Peak memory consumption was 610.7MB. Max. memory is 16.1GB. [2022-07-19 22:24:30,067 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:24:30,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2866.28ms. Allocated memory was 109.1MB in the beginning and 247.5MB in the end (delta: 138.4MB). Free memory was 61.5MB in the beginning and 139.2MB in the end (delta: -77.7MB). Peak memory consumption was 135.1MB. Max. memory is 16.1GB. [2022-07-19 22:24:30,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 221.08ms. Allocated memory is still 247.5MB. Free memory was 139.2MB in the beginning and 105.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-07-19 22:24:30,069 INFO L158 Benchmark]: Boogie Preprocessor took 172.77ms. Allocated memory is still 247.5MB. Free memory was 105.6MB in the beginning and 81.5MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-19 22:24:30,069 INFO L158 Benchmark]: RCFGBuilder took 49415.74ms. Allocated memory was 247.5MB in the beginning and 994.1MB in the end (delta: 746.6MB). Free memory was 81.5MB in the beginning and 394.4MB in the end (delta: -312.9MB). Peak memory consumption was 558.5MB. Max. memory is 16.1GB. [2022-07-19 22:24:30,069 INFO L158 Benchmark]: TraceAbstraction took 69672.55ms. Allocated memory was 994.1MB in the beginning and 1.3GB in the end (delta: 312.5MB). Free memory was 394.4MB in the beginning and 649.2MB in the end (delta: -254.8MB). Peak memory consumption was 306.2MB. Max. memory is 16.1GB. [2022-07-19 22:24:30,069 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 1.3GB. Free memory is still 649.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:24:30,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2866.28ms. Allocated memory was 109.1MB in the beginning and 247.5MB in the end (delta: 138.4MB). Free memory was 61.5MB in the beginning and 139.2MB in the end (delta: -77.7MB). Peak memory consumption was 135.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 221.08ms. Allocated memory is still 247.5MB. Free memory was 139.2MB in the beginning and 105.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 172.77ms. Allocated memory is still 247.5MB. Free memory was 105.6MB in the beginning and 81.5MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 49415.74ms. Allocated memory was 247.5MB in the beginning and 994.1MB in the end (delta: 746.6MB). Free memory was 81.5MB in the beginning and 394.4MB in the end (delta: -312.9MB). Peak memory consumption was 558.5MB. Max. memory is 16.1GB. * TraceAbstraction took 69672.55ms. Allocated memory was 994.1MB in the beginning and 1.3GB in the end (delta: 312.5MB). Free memory was 394.4MB in the beginning and 649.2MB in the end (delta: -254.8MB). Peak memory consumption was 306.2MB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 1.3GB. Free memory is still 649.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7097]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6835, overapproximation of bitwiseAnd at line 7642. Possible FailurePath: [L4814] int gigaset_debuglevel ; [L6831] static struct list_head drivers = {& drivers, & drivers}; [L6832-L6836] static spinlock_t driver_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "driver_lock", 0, 0UL}}}}; [L7093] int LDV_IN_INTERRUPT ; [L7101] int ldv_module_refcounter = 1; [L7611-L7632] static struct tty_operations const if_ops = {(struct tty_struct *(*)(struct tty_driver * , struct inode * , int ))0, (int (*)(struct tty_driver * , struct tty_struct * ))0, (void (*)(struct tty_driver * , struct tty_struct * ))0, & if_open, & if_close, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * ))0, & if_write, (int (*)(struct tty_struct * , unsigned char ))0, (void (*)(struct tty_struct * ))0, & if_write_room, & if_chars_in_buffer, & if_ioctl, (long (*)(struct tty_struct * , unsigned int , unsigned long ))0, & if_set_termios, & if_throttle, & if_unthrottle, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * ))0, (int (*)(struct tty_struct * , int ))0, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * , int ))0, (void (*)(struct tty_struct * , char ))0, & if_tiocmget, & if_tiocmset, (int (*)(struct tty_struct * , struct winsize * ))0, (int (*)(struct tty_struct * , struct termiox * ))0, (int (*)(struct tty_struct * , struct serial_icounter_struct * ))0, (int (*)(struct tty_driver * , int , char * ))0, (int (*)(struct tty_driver * , int ))0, (void (*)(struct tty_driver * , int , char ))0, (struct file_operations const *)0}; [L9090-L9093] static struct device_attribute dev_attr_cidmode = {{"cidmode", 420U, (struct lock_class_key *)0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_cidmode, & set_cidmode}; [L9169-L9233] struct reply_t gigaset_tab_nocid[64U] = { {-27, -1, -1, 100, 100, 1, {29, 0, 0}, (char *)0}, {-105, 100, 100, -1, 101, 3, {0, 0, 0}, (char *)"Z\r"}, {0, 101, 103, -1, 120, 5, {30, 0, 0}, (char *)"+GMR\r"}, {-105, 101, 101, -1, 102, 5, {0, 0, 0}, (char *)"Z\r"}, {1, 101, 101, -1, 102, 5, {0, 0, 0}, (char *)"Z\r"}, {-105, 102, 102, -1, 108, 5, {1, 0, 0}, (char *)"^SDLE=0\r"}, {0, 108, 108, -1, 104, -1, {0, 0, 0}, (char *)0}, {101, 104, 104, 0, 103, 5, {0, 0, 0}, (char *)"Z\r"}, {-105, 104, 104, -1, 0, 0, {3, 0, 0}, (char *)0}, {1, 108, 108, -1, 0, 0, {3, 0, 0}, (char *)0}, {-105, 108, 108, -1, 105, 2, {2, 4, 29}, (char *)0}, {-105, 105, 105, -1, 103, 5, {0, 0, 0}, (char *)"Z\r"}, {1, 102, 102, -1, 107, 5, {0, 0, 0}, (char *)"^GETPRE\r"}, {0, 107, 107, -1, 0, 0, {5, 0, 0}, (char *)0}, {1, 107, 107, -1, 0, 0, {3, 0, 0}, (char *)0}, {-105, 107, 107, -1, 0, 0, {3, 0, 0}, (char *)0}, {1, 103, 103, -1, 0, 0, {3, 0, 0}, (char *)0}, {-105, 103, 103, -1, 0, 0, {3, 0, 0}, (char *)0}, {-20, 120, 120, -1, 121, -1, {31, 0, 0}, (char *)0}, {-105, 120, 121, -1, 0, 0, {32, 6, 0}, (char *)0}, {1, 120, 121, -1, 0, 0, {32, 6, 0}, (char *)0}, {0, 121, 121, -1, 0, 0, {33, 6, 0}, (char *)0}, {-27, 0, 0, 200, 201, 5, {0, 0, 0}, (char *)"^SDLE=0\r"}, {0, 201, 201, -1, 202, -1, {0, 0, 0}, (char *)0}, {101, 202, 202, 0, 0, 0, {7, 0, 0}, (char *)0}, {-9, 200, 249, -1, 0, 0, {47, 0, 0}, (char *)0}, {1, 200, 249, -1, 0, 0, {9, 0, 0}, (char *)0}, {-105, 200, 249, -1, 0, 0, {9, 0, 0}, (char *)0}, {-27, 0, 0, 250, 251, 5, {0, 0, 0}, (char *)"^SDLE=1\r"}, {0, 251, 251, -1, 252, -1, {0, 0, 0}, (char *)0}, {101, 252, 252, 1, 0, 0, {8, 0, 0}, (char *)0}, {1, 250, 299, -1, 0, 0, {10, 0, 0}, (char *)0}, {-105, 250, 299, -1, 0, 0, {10, 0, 0}, (char *)0}, {4, -1, -1, -1, -1, -1, {11, 0, 0}, (char *)0}, {-27, 0, 0, 300, 301, 5, {0, 0, 0}, (char *)"^SGCI?\r"}, {0, 301, 301, -1, 302, -1, {0, 0, 0}, (char *)0}, {3, 302, 302, -1, 0, 0, {12, 0, 0}, (char *)0}, {1, 301, 349, -1, 0, 0, {13, 0, 0}, (char *)0}, {-105, 301, 349, -1, 0, 0, {13, 0, 0}, (char *)0}, {-27, 0, 0, 10, 150, 5, {0, 0, 0}, (char *)"^SGCI=1\r"}, {0, 150, 150, -1, 0, 0, {54, 0, 0}, (char *)0}, {1, 150, 150, -1, 0, 0, {55, 0, 0}, (char *)0}, {-105, 150, 150, -1, 0, 0, {55, 0, 0}, (char *)0}, {-27, 0, 0, 11, 160, 5, {0, 0, 0}, (char *)"Z\r"}, {0, 160, 160, -1, 0, 0, {52, 0, 0}, (char *)0}, {1, 160, 160, -1, 0, 0, {53, 0, 0}, (char *)0}, {-105, 160, 160, -1, 0, 0, {53, 0, 0}, (char *)0}, {-27, 0, 0, 350, 0, 0, {36, 0, 0}, (char *)0}, {-27, 0, 0, 500, 504, 5, {0, 0, 0}, (char *)"Z\r"}, {0, 504, 504, -1, 0, 0, {14, 0, 0}, (char *)0}, {1, 501, 599, -1, 0, 0, {15, 0, 0}, (char *)0}, {-105, 501, 599, -1, 0, 0, {15, 0, 0}, (char *)0}, {-9, 501, 599, -1, 0, 0, {49, 0, 0}, (char *)0}, {-107, -1, -1, -1, -1, -1, {51, 0, 0}, (char *)0}, {-112, -1, -1, -1, -1, -1, {44, 0, 0}, (char *)0}, {-106, -1, -1, -1, -1, -1, {56, 0, 0}, (char *)0}, {-110, -1, -1, -1, -1, -1, {45, 0, 0}, (char *)0}, {-111, -1, -1, -1, -1, -1, {46, 0, 0}, (char *)0}, {-108, -1, -1, -1, -1, -1, {50, 0, 0}, (char *)0}, {1, -1, -1, -1, -1, -1, {35, 0, 0}, (char *)0}, {6, -1, -1, -1, -1, -1, {37, 0, 0}, (char *)0}, {-19, -1, -1, -1, -1, -1, {16, 0, 0}, (char *)0}, {-26, -1, -1, -1, -1, -1, {17, 0, 0}, (char *)0}, {-28, 0, 0, 0, 0, 0, {0, 0, 0}, (char *)0}}; [L9234-L9298] struct reply_t gigaset_tab_cid[64U] = { {-115, -1, -1, -1, -1, -1, {40, 0, 0}, (char *)0}, {-27, 0, 0, 600, 601, 5, {103, 0, 0}, (char *)0}, {0, 601, 601, -1, 603, 5, {104, 0, 0}, (char *)0}, {0, 603, 603, -1, 604, 5, {105, 0, 0}, (char *)0}, {0, 604, 604, -1, 605, 5, {102, 0, 0}, (char *)0}, {-21, 605, 605, -1, 606, 5, {106, 0, 0}, (char *)0}, {0, 605, 605, -1, 606, 5, {106, 0, 0}, (char *)0}, {-21, 606, 606, -1, 607, 5, {100, 0, 0}, (char *)0}, {0, 606, 606, -1, 607, 5, {100, 0, 0}, (char *)0}, {0, 607, 607, -1, 608, 5, {0, 0, 0}, (char *)"+VLS=17\r"}, {0, 608, 608, -1, 609, -1, {0, 0, 0}, (char *)0}, {100, 609, 609, 1, 610, 5, {101, 0, 0}, (char *)0}, {0, 610, 610, -1, 650, 0, {18, 0, 0}, (char *)0}, {1, 601, 610, -1, 0, 0, {19, 0, 0}, (char *)0}, {-105, 601, 610, -1, 0, 0, {19, 0, 0}, (char *)0}, {-117, 650, 650, -1, 651, -1, {0, 0, 0}, (char *)0}, {5, 609, 651, 17, -1, -1, {16, 0, 0}, (char *)0}, {102, 610, 651, -1, -1, -1, {16, 0, 0}, (char *)0}, {104, 610, 651, -1, -1, -1, {16, 0, 0}, (char *)0}, {100, 650, 651, 2, -1, -1, {16, 0, 0}, (char *)0}, {100, 650, 650, 3, 800, -1, {21, 0, 0}, (char *)0}, {100, 651, 651, 3, 800, -1, {21, 39, 0}, (char *)0}, {100, 750, 750, 3, 800, -1, {21, 0, 0}, (char *)0}, {100, 751, 751, 3, 800, -1, {21, 39, 0}, (char *)0}, {-117, 800, 800, -1, 800, -1, {39, 0, 0}, (char *)0}, {100, 650, 651, 4, 0, 0, {22, 0, 0}, (char *)0}, {100, 750, 751, 4, 0, 0, {24, 0, 0}, (char *)0}, {100, 800, 800, 4, 0, 0, {24, 0, 0}, (char *)0}, {-116, -1, -1, -1, -1, -1, {43, 0, 0}, (char *)0}, {-27, -1, -1, 400, 401, 5, {0, 0, 0}, (char *)"+VLS=0\r"}, {0, 401, 401, -1, 402, 5, {0, 0, 0}, (char *)0}, {5, 402, 402, 0, 403, 5, {0, 0, 0}, (char *)0}, {100, 403, 403, 6, -1, -1, {16, 0, 0}, (char *)0}, {100, 403, 403, 5, 0, 0, {20, 0, 0}, (char *)0}, {-9, 401, 403, -1, 0, 0, {48, 0, 0}, (char *)0}, {1, 401, 401, -1, 0, 0, {25, 0, 0}, (char *)0}, {-105, 401, 403, -1, 0, 0, {25, 0, 0}, (char *)0}, {-118, 0, 0, -1, 0, -1, {38, 0, 0}, (char *)0}, {106, 700, 700, -1, -1, -1, {0, 0, 0}, (char *)0}, {107, 700, 700, -1, -1, -1, {0, 0, 0}, (char *)0}, {103, 700, 700, -1, -1, -1, {0, 0, 0}, (char *)0}, {104, 700, 700, -1, -1, -1, {0, 0, 0}, (char *)0}, {102, 700, 700, -1, -1, -1, {0, 0, 0}, (char *)0}, {-105, 700, 700, -1, 720, 720, {26, 0, 0}, (char *)0}, {-118, 720, 720, -1, 0, -1, {38, 0, 0}, (char *)0}, {-114, -1, -1, -1, -1, -1, {41, 0, 0}, (char *)0}, {-27, 720, 720, 720, 721, 5, {104, 0, 0}, (char *)0}, {0, 721, 721, -1, 722, 5, {100, 0, 0}, (char *)0}, {0, 722, 722, -1, 723, 5, {0, 0, 0}, (char *)"+VLS=17\r"}, {0, 723, 723, -1, 724, 5, {0, 0, 0}, (char *)0}, {5, 724, 724, 17, 750, 50, {27, 0, 0}, (char *)0}, {1, 721, 729, -1, 0, 0, {28, 0, 0}, (char *)0}, {-105, 721, 729, -1, 0, 0, {28, 0, 0}, (char *)0}, {100, 700, 729, 5, 0, 0, {28, 0, 0}, (char *)0}, {100, 700, 729, 3, 0, 0, {28, 0, 0}, (char *)0}, {100, 700, 729, 4, 0, 0, {28, 0, 0}, (char *)0}, {-117, 750, 750, -1, 751, -1, {0, 0, 0}, (char *)0}, {-105, 750, 751, -1, 0, 0, {23, 0, 0}, (char *)0}, {-118, -1, -1, -1, -1, -1, {38, 0, 0}, (char *)0}, {105, -1, -1, -1, -1, -1, {16, 0, 0}, (char *)0}, {6, -1, -1, -1, -1, -1, {37, 0, 0}, (char *)0}, {-19, -1, -1, -1, -1, -1, {16, 0, 0}, (char *)0}, {-26, -1, -1, -1, -1, -1, {17, 0, 0}, (char *)0}, {-28, 0, 0, 0, 0, 0, {0, 0, 0}, (char *)0}}; [L9299-L9314] static struct resp_type_t const resp_type[15U] = { {(unsigned char *)"OK", 0, 0}, {(unsigned char *)"ERROR", 1, 0}, {(unsigned char *)"ZSAU", 100, 1}, {(unsigned char *)"ZCAU", 6, 6}, {(unsigned char *)"RING", 4, 2}, {(unsigned char *)"ZGCI", 3, 3}, {(unsigned char *)"ZVLS", 5, 3}, {(unsigned char *)"ZCTP", 102, 3}, {(unsigned char *)"ZDLE", 101, 3}, {(unsigned char *)"ZHLC", 107, 4}, {(unsigned char *)"ZBC", 106, 4}, {(unsigned char *)"NMBR", 103, 4}, {(unsigned char *)"ZCPN", 104, 4}, {(unsigned char *)"ZCON", 105, 4}, {(unsigned char *)0, 0, 0}}; [L9315-L9321] static struct zsau_resp_t const zsau_resp[7U] = { {(unsigned char *)"OUTGOING_CALL_PROCEEDING", 1}, {(unsigned char *)"CALL_DELIVERED", 2}, {(unsigned char *)"ACTIVE", 3}, {(unsigned char *)"DISCONNECT_IND", 4}, {(unsigned char *)"NULL", 5}, {(unsigned char *)"DISCONNECT_REQ", 6}, {(unsigned char *)0, -1}}; [L13314-L13343] static struct __anonstruct_cip2bchlc_198 cip2bchlc[29U] = { {(u8 *)0, (u8 *)0}, {(u8 *)"8090A3", (u8 *)0}, {(u8 *)"8890", (u8 *)0}, {(u8 *)"8990", (u8 *)0}, {(u8 *)"9090A3", (u8 *)0}, {(u8 *)"9190", (u8 *)0}, {(u8 *)"9890", (u8 *)0}, {(u8 *)"88C0C6E6", (u8 *)0}, {(u8 *)"8890218F", (u8 *)0}, {(u8 *)"9190A5", (u8 *)0}, {(u8 *)0, (u8 *)0}, {(u8 *)0, (u8 *)0}, {(u8 *)0, (u8 *)0}, {(u8 *)0, (u8 *)0}, {(u8 *)0, (u8 *)0}, {(u8 *)0, (u8 *)0}, {(u8 *)"8090A3", (u8 *)"9181"}, {(u8 *)"9090A3", (u8 *)"9184"}, {(u8 *)"8890", (u8 *)"91A1"}, {(u8 *)"8890", (u8 *)"91A4"}, {(u8 *)"8890", (u8 *)"91A8"}, {(u8 *)"8890", (u8 *)"91B1"}, {(u8 *)"8890", (u8 *)"91B2"}, {(u8 *)"8890", (u8 *)"91B5"}, {(u8 *)"8890", (u8 *)"91B8"}, {(u8 *)"8890", (u8 *)"91C1"}, {(u8 *)"9190A5", (u8 *)"9181"}, {(u8 *)"9190A5", (u8 *)"916001"}, {(u8 *)"8890", (u8 *)"916002"}}; [L16141] static unsigned long ignored_msg_dump_time ; [L16193-L16217] static struct __anonstruct_capi_send_handler_table_202 capi_send_handler_table[24U] = { {(u16 )34432U, & do_data_b3_req}, {(u16 )34435U, & do_data_b3_resp}, {(u16 )384U, & do_alert_req}, {(u16 )899U, & do_nothing}, {(u16 )33667U, & do_nothing}, {(u16 )33408U, & do_connect_b3_req}, {(u16 )33411U, & do_connect_b3_resp}, {(u16 )34947U, & do_nothing}, {(u16 )640U, & do_connect_req}, {(u16 )643U, & do_connect_resp}, {(u16 )33920U, & do_disconnect_b3_req}, {(u16 )33923U, & do_nothing}, {(u16 )1152U, & do_disconnect_req}, {(u16 )1155U, & do_nothing}, {(u16 )32896U, & do_facility_req}, {(u16 )32899U, & do_nothing}, {(u16 )1408U, & do_listen_req}, {(u16 )16768U, & do_unsupported}, {(u16 )34688U, & do_reset_b3_req}, {(u16 )34691U, & do_nothing}, {(u16 )2176U, & do_unsupported}, {(u16 )2179U, & do_nothing}, {(u16 )65408U, & do_nothing}, {(u16 )65411U, & do_nothing}}; [L16578-L16607] static struct file_operations const gigaset_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & gigaset_proc_open, (int (*)(struct file * , fl_owner_t ))0, & single_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L16666-L16669] static struct capi_driver capi_driver_gigaset = {{(char )'g', (char )'i', (char )'g', (char )'a', (char )'s', (char )'e', (char )'t', (char )'\000'}, {(char )'1', (char )'.', (char )'0', (char )'\000'}, (int (*)(struct capi_driver * , capicardparams * ))0, {(struct list_head *)0, (struct list_head *)0}}; VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L8811] struct tty_struct *var_group1 ; [L8812] struct file *var_group2 ; [L8813] int res_if_open_2 ; [L8814] unsigned int var_if_ioctl_4_p1 ; [L8815] unsigned long var_if_ioctl_4_p2 ; [L8816] unsigned char const *var_if_write_7_p1 ; [L8817] int var_if_write_7_p2 ; [L8818] struct ktermios *var_group3 ; [L8819] unsigned int var_if_tiocmset_6_p1 ; [L8820] unsigned int var_if_tiocmset_6_p2 ; [L8821] int ldv_s_if_ops_tty_operations ; [L8822] int tmp ; [L8823] int tmp___0 ; VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L8826] CALL, EXPR ldv_malloc(sizeof(struct list_head)) VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L8805] COND TRUE __VERIFIER_nondet_bool() [L8805] return 0; VAL [\old(size)=16, \result={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, resp_type={697:0}, size=16, zsau_resp={698:0}] [L8826] RET, EXPR ldv_malloc(sizeof(struct list_head)) VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct list_head))={0:0}, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L8826] drivers.prev = ldv_malloc(sizeof(struct list_head)) [L8827] CALL, EXPR ldv_malloc(sizeof(struct list_head)) VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L8805] COND TRUE __VERIFIER_nondet_bool() [L8805] return 0; VAL [\old(size)=16, \result={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, resp_type={697:0}, size=16, zsau_resp={698:0}] [L8827] RET, EXPR ldv_malloc(sizeof(struct list_head)) VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct list_head))={0:0}, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L8827] drivers.next = ldv_malloc(sizeof(struct list_head)) [L8828] ldv_s_if_ops_tty_operations = 0 [L8829] LDV_IN_INTERRUPT = 1 [L8830] FCALL ldv_initialize() [L8948] tmp___0 = __VERIFIER_nondet_int() [L8950] COND TRUE tmp___0 != 0 VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_if_ops_tty_operations=0, resp_type={697:0}, tmp___0=1, zsau_resp={698:0}] [L8835] tmp = __VERIFIER_nondet_int() [L8837] COND TRUE tmp == 0 VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_if_ops_tty_operations=0, resp_type={697:0}, tmp=0, tmp___0=1, zsau_resp={698:0}] [L8873] COND TRUE ldv_s_if_ops_tty_operations == 0 VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_if_ops_tty_operations=0, resp_type={697:0}, tmp=0, tmp___0=1, zsau_resp={698:0}] [L8875] CALL, EXPR if_open(var_group1, var_group2) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L7634] struct cardstate *cs ; [L7635] unsigned long flags ; [L7636] long tmp ; [L7637] int tmp___0 ; [L7638] int tmp___1 ; [L7639] raw_spinlock_t *tmp___2 ; [L7642-L7643] tmp = __builtin_expect((long )(((unsigned int )gigaset_debuglevel & 524288U) != 0U), 0L) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, filp={1152921504606846981:1152921504606846997}, filp={1152921504606846981:1152921504606846997}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, tmp=0, tty={691:-1003}, tty={691:-1003}, zsau_resp={698:0}] [L7645] COND FALSE !(tmp != 0L) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, filp={1152921504606846981:1152921504606846997}, filp={1152921504606846981:1152921504606846997}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, tmp=0, tty={691:-1003}, tty={691:-1003}, zsau_resp={698:0}] [L7652] tty->driver_data = (void *)0 [L7653] CALL, EXPR gigaset_get_cs_by_tty(tty) [L6958] struct cardstate *tmp ; [L6960] EXPR tty->index VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, tty={691:-1003}, tty={691:-1003}, tty->index=0, zsau_resp={698:0}] [L6960] COND FALSE !(tty->index < 0) [L6963] EXPR tty->index [L6963] EXPR tty->driver [L6963] EXPR (tty->driver)->num VAL [(tty->driver)->num=705, \old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, tty={691:-1003}, tty={691:-1003}, tty->driver={1152921504606847010:0}, tty->index=0, zsau_resp={698:0}] [L6963] COND FALSE !(tty->index >= (tty->driver)->num) [L6968] EXPR tty->index [L6968] EXPR tty->driver [L6968] EXPR (tty->driver)->minor_start [L6968] CALL, EXPR gigaset_get_cs_by_minor((unsigned int )(tty->index + (tty->driver)->minor_start)) [L6902] unsigned long flags ; [L6903] struct cardstate *ret ; [L6904] struct gigaset_driver *drv ; [L6905] unsigned int index ; [L6906] raw_spinlock_t *tmp ; [L6907] struct list_head const *__mptr ; [L6908] struct list_head const *__mptr___0 ; [L6911] ret = (struct cardstate *)0 VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={0:0}, zsau_resp={698:0}] [L6912] CALL, EXPR spinlock_check(& driver_lock) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, lock={692:0}, resp_type={697:0}, zsau_resp={698:0}] [L4691] return (& lock->ldv_6060.rlock); VAL [\old(ldv_module_refcounter)=1, \result={692:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, lock={692:0}, lock={692:0}, resp_type={697:0}, zsau_resp={698:0}] [L6912] RET, EXPR spinlock_check(& driver_lock) VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={0:0}, spinlock_check(& driver_lock)={692:0}, zsau_resp={698:0}] [L6912] tmp = spinlock_check(& driver_lock) [L6913] CALL, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, arg0={692:0}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L16743] return __VERIFIER_nondet_ulong(); [L6913] RET, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, __this_module={1152921504606846990:1152921504606847001}, _raw_spin_lock_irqsave(tmp)=1152921504606847007, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={0:0}, tmp={692:0}, zsau_resp={698:0}] [L6913] flags = _raw_spin_lock_irqsave(tmp) [L6914] EXPR drivers.next [L6914] __mptr = (struct list_head const *)drivers.next [L6915] drv = (struct gigaset_driver *)__mptr VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, __mptr={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, drv={0:0}, flags=1152921504606847007, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={0:0}, tmp={692:0}, zsau_resp={698:0}] [L6945] COND TRUE (unsigned long )(& drv->list) != (unsigned long )(& drivers) VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, __mptr={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, drv={0:0}, flags=1152921504606847007, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={0:0}, tmp={692:0}, zsau_resp={698:0}] [L6919] EXPR drv->minor VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, __mptr={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, drv={0:0}, drv->minor=0, flags=1152921504606847007, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={0:0}, tmp={692:0}, zsau_resp={698:0}] [L6919] COND FALSE !(drv->minor > minor) [L6922] EXPR drv->minor [L6922] EXPR drv->minors VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, __mptr={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, drv={0:0}, drv->minor=0, drv->minors=4294967297, flags=1152921504606847007, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={0:0}, tmp={692:0}, zsau_resp={698:0}] [L6922] COND FALSE !(drv->minor + drv->minors <= minor) [L6927] EXPR drv->minor [L6927] index = minor - drv->minor [L6928] CALL spin_lock(& drv->lock) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L4698] FCALL _raw_spin_lock(& lock->ldv_6060.rlock) [L6928] RET spin_lock(& drv->lock) VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, __mptr={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, drv={0:0}, flags=1152921504606847007, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, index=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={0:0}, tmp={692:0}, zsau_resp={698:0}] [L6930] EXPR drv->cs [L6930] EXPR (drv->cs + (unsigned long )index)->flags VAL [(drv->cs + (unsigned long )index)->flags=4294968003, \old(ldv_module_refcounter)=1, \old(minor)=0, __mptr={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, drv={0:0}, drv->cs={691:-472}, flags=1152921504606847007, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, index=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={0:0}, tmp={692:0}, zsau_resp={698:0}] [L6930] COND TRUE (int )(drv->cs + (unsigned long )index)->flags & 1 [L6931] EXPR drv->cs [L6931] ret = drv->cs + (unsigned long )index [L6935] CALL spin_unlock(& drv->lock) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L4707] FCALL _raw_spin_unlock(& lock->ldv_6060.rlock) [L6935] RET spin_unlock(& drv->lock) VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, __mptr={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, drv={0:0}, flags=1152921504606847007, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, index=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={691:-472}, tmp={692:0}, zsau_resp={698:0}] [L6937] COND TRUE (unsigned long )ret != (unsigned long )((struct cardstate *)0) VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, __mptr={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, drv={0:0}, flags=1152921504606847007, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, index=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={691:-472}, tmp={692:0}, zsau_resp={698:0}] [L6952] CALL spin_unlock_irqrestore(& driver_lock, flags) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L4716] FCALL _raw_spin_unlock_irqrestore(& lock->ldv_6060.rlock, flags) [L6952] RET spin_unlock_irqrestore(& driver_lock, flags) VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, __mptr={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, drv={0:0}, flags=1152921504606847007, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, index=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={691:-472}, tmp={692:0}, zsau_resp={698:0}] [L6954] return (ret); VAL [\old(ldv_module_refcounter)=1, \old(minor)=0, \result={691:-472}, __mptr={0:0}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, drv={0:0}, flags=1152921504606847007, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, index=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, minor=0, resp_type={697:0}, ret={691:-472}, tmp={692:0}, zsau_resp={698:0}] [L6968] RET, EXPR gigaset_get_cs_by_minor((unsigned int )(tty->index + (tty->driver)->minor_start)) [L6968] tmp = gigaset_get_cs_by_minor((unsigned int )(tty->index + (tty->driver)->minor_start)) [L6970] return (tmp); VAL [\old(ldv_module_refcounter)=1, \result={691:-472}, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, tmp={691:-472}, tty={691:-1003}, tty={691:-1003}, zsau_resp={698:0}] [L7653] RET, EXPR gigaset_get_cs_by_tty(tty) [L7653] cs = gigaset_get_cs_by_tty(tty) [L7655] COND FALSE !((unsigned long )cs == (unsigned long )((struct cardstate *)0)) [L7659] EXPR cs->driver [L7659] EXPR (cs->driver)->owner VAL [(cs->driver)->owner={-705:706}, \old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, cs={691:-472}, cs->driver={1152921504606846995:-127}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, filp={1152921504606846981:1152921504606846997}, filp={1152921504606846981:1152921504606846997}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, tmp=0, tty={691:-1003}, tty={691:-1003}, zsau_resp={698:0}] [L7659] CALL, EXPR ldv_try_module_get_1((cs->driver)->owner) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, resp_type={697:0}, zsau_resp={698:0}] [L7175] int tmp ; [L7178] CALL, EXPR ldv_try_module_get(module) [L7113] int module_get_succeeded ; VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={-705:706}, module={-705:706}, resp_type={697:0}, zsau_resp={698:0}] [L7115] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L7117] CALL, EXPR ldv_undefined_int() [L16866] return __VERIFIER_nondet_int(); [L7117] RET, EXPR ldv_undefined_int() [L7117] module_get_succeeded = ldv_undefined_int() [L7119] COND TRUE module_get_succeeded == 1 [L7120] ldv_module_refcounter = ldv_module_refcounter + 1 [L7121] return (1); VAL [\old(ldv_module_refcounter)=1, \result=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, module={-705:706}, module={-705:706}, module_get_succeeded=1, resp_type={697:0}, zsau_resp={698:0}] [L7178] RET, EXPR ldv_try_module_get(module) [L7178] tmp = ldv_try_module_get(module) [L7180] return (tmp); VAL [\old(ldv_module_refcounter)=1, \result=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, module={-705:706}, module={-705:706}, resp_type={697:0}, tmp=1, zsau_resp={698:0}] [L7659] RET, EXPR ldv_try_module_get_1((cs->driver)->owner) VAL [(cs->driver)->owner={-705:706}, \old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, cs={691:-472}, cs->driver={1152921504606846995:-127}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, filp={1152921504606846981:1152921504606846997}, filp={1152921504606846981:1152921504606846997}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_try_module_get_1((cs->driver)->owner)=1, resp_type={697:0}, tmp=0, tty={691:-1003}, tty={691:-1003}, zsau_resp={698:0}] [L7659] tmp___0 = ldv_try_module_get_1((cs->driver)->owner) [L7661] COND FALSE !(tmp___0 == 0) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, cs={691:-472}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, filp={1152921504606846981:1152921504606846997}, filp={1152921504606846981:1152921504606846997}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, resp_type={697:0}, tmp=0, tmp___0=1, tty={691:-1003}, tty={691:-1003}, zsau_resp={698:0}] [L7667] CALL, EXPR mutex_lock_interruptible_nested(& cs->mutex, 0U) VAL [\old(arg1)=0, \old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, arg0={691:126}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, resp_type={697:0}, zsau_resp={698:0}] [L16884] return __VERIFIER_nondet_int(); [L7667] RET, EXPR mutex_lock_interruptible_nested(& cs->mutex, 0U) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, cs={691:-472}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, filp={1152921504606846981:1152921504606846997}, filp={1152921504606846981:1152921504606846997}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, mutex_lock_interruptible_nested(& cs->mutex, 0U)=0, resp_type={697:0}, tmp=0, tmp___0=1, tty={691:-1003}, tty={691:-1003}, zsau_resp={698:0}] [L7667] tmp___1 = mutex_lock_interruptible_nested(& cs->mutex, 0U) [L7669] COND FALSE !(tmp___1 != 0) [L7676] tty->driver_data = (void *)cs [L7677] EXPR cs->open_count [L7677] cs->open_count = cs->open_count + 1U [L7678] EXPR cs->open_count VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, cs={691:-472}, cs->open_count=710, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, filp={1152921504606846981:1152921504606846997}, filp={1152921504606846981:1152921504606846997}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, resp_type={697:0}, tmp=0, tmp___0=1, tmp___1=0, tty={691:-1003}, tty={691:-1003}, zsau_resp={698:0}] [L7678] COND FALSE !(cs->open_count == 1U) [L7689] FCALL mutex_unlock(& cs->mutex) VAL [\old(ldv_module_refcounter)=1, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, cs={691:-472}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, filp={1152921504606846981:1152921504606846997}, filp={1152921504606846981:1152921504606846997}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, resp_type={697:0}, tmp=0, tmp___0=1, tmp___1=0, tty={691:-1003}, tty={691:-1003}, zsau_resp={698:0}] [L7691] return (0); VAL [\old(ldv_module_refcounter)=1, \result=0, __this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, cs={691:-472}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, filp={1152921504606846981:1152921504606846997}, filp={1152921504606846981:1152921504606846997}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, resp_type={697:0}, tmp=0, tmp___0=1, tmp___1=0, tty={691:-1003}, tty={691:-1003}, zsau_resp={698:0}] [L8875] RET, EXPR if_open(var_group1, var_group2) VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_open(var_group1, var_group2)=0, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_if_ops_tty_operations=0, resp_type={697:0}, tmp=0, tmp___0=1, var_group1={691:-1003}, var_group2={1152921504606846981:1152921504606846997}, zsau_resp={698:0}] [L8875] res_if_open_2 = if_open(var_group1, var_group2) [L8876] FCALL ldv_check_return_value(res_if_open_2) [L8878] COND FALSE !(res_if_open_2 != 0) [L8882] ldv_s_if_ops_tty_operations = ldv_s_if_ops_tty_operations + 1 VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_if_ops_tty_operations=1, res_if_open_2=0, resp_type={697:0}, tmp=0, tmp___0=1, var_group1={691:-1003}, var_group2={1152921504606846981:1152921504606846997}, zsau_resp={698:0}] [L8948] tmp___0 = __VERIFIER_nondet_int() [L8950] COND TRUE tmp___0 != 0 VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_if_ops_tty_operations=1, res_if_open_2=0, resp_type={697:0}, tmp=0, tmp___0=1, var_group1={691:-1003}, var_group2={1152921504606846981:1152921504606846997}, zsau_resp={698:0}] [L8835] tmp = __VERIFIER_nondet_int() [L8837] COND FALSE !(tmp == 0) VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_if_ops_tty_operations=1, res_if_open_2=0, resp_type={697:0}, tmp=1, tmp___0=1, var_group1={691:-1003}, var_group2={1152921504606846981:1152921504606846997}, zsau_resp={698:0}] [L8840] COND TRUE tmp == 1 VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_if_ops_tty_operations=1, res_if_open_2=0, resp_type={697:0}, tmp=1, tmp___0=1, var_group1={691:-1003}, var_group2={1152921504606846981:1152921504606846997}, zsau_resp={698:0}] [L8887] COND TRUE ldv_s_if_ops_tty_operations == 1 [L8889] CALL if_close(var_group1, var_group2) [L7695] struct cardstate *cs ; [L7696] unsigned long flags ; [L7697] long tmp ; [L7698] raw_spinlock_t *tmp___0 ; [L7699] long tmp___1 ; [L7701] EXPR tty->driver_data [L7701] cs = (struct cardstate *)tty->driver_data [L7702] COND TRUE (unsigned long )cs == (unsigned long )((struct cardstate *)0) [L8889] RET if_close(var_group1, var_group2) [L8890] ldv_s_if_ops_tty_operations = 0 VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_if_ops_tty_operations=0, res_if_open_2=0, resp_type={697:0}, tmp=1, tmp___0=1, var_group1={691:-1003}, var_group2={1152921504606846981:1152921504606846997}, zsau_resp={698:0}] [L8948] tmp___0 = __VERIFIER_nondet_int() [L8950] COND FALSE !(tmp___0 != 0) VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_if_ops_tty_operations=0, res_if_open_2=0, resp_type={697:0}, tmp=1, tmp___0=0, var_group1={691:-1003}, var_group2={1152921504606846981:1152921504606846997}, zsau_resp={698:0}] [L8953] COND FALSE !(ldv_s_if_ops_tty_operations != 0) VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_if_ops_tty_operations=0, res_if_open_2=0, resp_type={697:0}, tmp=1, tmp___0=0, var_group1={691:-1003}, var_group2={1152921504606846981:1152921504606846997}, zsau_resp={698:0}] [L8961] CALL ldv_check_final_state() [L7165] COND TRUE ldv_module_refcounter != 1 VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, resp_type={697:0}, zsau_resp={698:0}] [L7167] CALL ldv_blast_assert() VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, resp_type={697:0}, zsau_resp={698:0}] [L7097] reach_error() VAL [__this_module={1152921504606846990:1152921504606847001}, capi_driver_gigaset={703:0}, capi_send_handler_table={701:0}, cip2bchlc={699:0}, dev_attr_cidmode={694:0}, driver_lock={692:0}, drivers={691:0}, gigaset_debuglevel=0, gigaset_proc_fops={702:0}, gigaset_tab_cid={696:0}, gigaset_tab_nocid={695:0}, if_ops={693:0}, ignored_msg_dump_time={700:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, resp_type={697:0}, zsau_resp={698:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 689 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 69.5s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 54.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 20798 SdHoareTripleChecker+Valid, 51.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20127 mSDsluCounter, 44814 SdHoareTripleChecker+Invalid, 47.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32419 mSDsCounter, 7966 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31246 IncrementalHoareTripleChecker+Invalid, 39213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7966 mSolverCounterUnsat, 12395 mSDtfsCounter, 31246 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 431 GetRequests, 284 SyntacticMatches, 1 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4330occurred in iteration=11, InterpolantAutomatonStates: 137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 5195 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 6.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 977 NumberOfCodeBlocks, 977 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 860 ConstructedInterpolants, 0 QuantifiedInterpolants, 2176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 8298 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 58/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-19 22:24:30,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-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-?-eb692b5 [2022-07-19 22:24:31,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:24:31,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:24:31,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:24:31,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:24:31,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:24:31,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:24:31,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:24:31,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:24:31,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:24:31,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:24:31,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:24:31,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:24:31,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:24:31,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:24:31,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:24:31,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:24:31,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:24:31,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:24:31,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:24:31,831 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:24:31,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:24:31,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:24:31,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:24:31,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:24:31,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:24:31,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:24:31,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:24:31,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:24:31,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:24:31,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:24:31,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:24:31,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:24:31,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:24:31,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:24:31,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:24:31,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:24:31,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:24:31,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:24:31,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:24:31,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:24:31,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:24:31,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 22:24:31,882 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:24:31,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:24:31,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:24:31,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:24:31,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:24:31,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:24:31,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:24:31,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:24:31,884 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:24:31,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:24:31,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:24:31,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:24:31,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:24:31,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:24:31,886 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 22:24:31,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 22:24:31,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 22:24:31,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:24:31,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:24:31,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:24:31,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:24:31,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:24:31,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:24:31,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:24:31,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:24:31,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:24:31,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:24:31,888 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 22:24:31,888 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 22:24:31,888 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:24:31,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:24:31,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:24:31,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 22:24:31,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6344be269056834d180d9b5e1136d4ee678a64c336fe877230b0ca721a1da138 [2022-07-19 22:24:32,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:24:32,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:24:32,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:24:32,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:24:32,182 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:24:32,183 INFO L432 ainManager$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 [2022-07-19 22:24:32,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fb23a19/3aa877759d834e97be0e0278156e28b0/FLAG6d41152e0 [2022-07-19 22:24:32,966 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:24:32,967 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 [2022-07-19 22:24:33,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fb23a19/3aa877759d834e97be0e0278156e28b0/FLAG6d41152e0 [2022-07-19 22:24:33,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fb23a19/3aa877759d834e97be0e0278156e28b0 [2022-07-19 22:24:33,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:24:33,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:24:33,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:24:33,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:24:33,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:24:33,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:24:33" (1/1) ... [2022-07-19 22:24:33,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8923cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:33, skipping insertion in model container [2022-07-19 22:24:33,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:24:33" (1/1) ... [2022-07-19 22:24:33,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:24:33,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:24:34,841 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] [2022-07-19 22:24:35,196 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:35,200 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:35,201 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:35,205 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:35,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:24:36,031 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 22:24:36,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:24:36,179 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] [2022-07-19 22:24:36,250 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:36,251 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:36,251 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:36,253 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:36,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:24:36,406 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 22:24:36,574 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] [2022-07-19 22:24:36,654 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:36,656 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:36,656 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:36,658 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-19 22:24:36,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:24:36,991 INFO L208 MainTranslator]: Completed translation [2022-07-19 22:24:36,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:36 WrapperNode [2022-07-19 22:24:36,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 22:24:36,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 22:24:36,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 22:24:36,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 22:24:36,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:36" (1/1) ... [2022-07-19 22:24:37,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:36" (1/1) ... [2022-07-19 22:24:37,245 INFO L137 Inliner]: procedures = 367, calls = 6444, calls flagged for inlining = 156, calls inlined = 36, statements flattened = 4438 [2022-07-19 22:24:37,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 22:24:37,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 22:24:37,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 22:24:37,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 22:24:37,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:36" (1/1) ... [2022-07-19 22:24:37,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:36" (1/1) ... [2022-07-19 22:24:37,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:36" (1/1) ... [2022-07-19 22:24:37,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:36" (1/1) ... [2022-07-19 22:24:37,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:36" (1/1) ... [2022-07-19 22:24:37,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:36" (1/1) ... [2022-07-19 22:24:37,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:36" (1/1) ... [2022-07-19 22:24:37,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 22:24:37,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 22:24:37,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 22:24:37,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 22:24:37,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:24:36" (1/1) ... [2022-07-19 22:24:37,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:24:37,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:24:37,436 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) [2022-07-19 22:24:37,454 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 [2022-07-19 22:24:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-07-19 22:24:37,471 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-07-19 22:24:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 22:24:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-19 22:24:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 22:24:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 22:24:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 22:24:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-07-19 22:24:37,472 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-07-19 22:24:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-19 22:24:37,472 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-19 22:24:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 22:24:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 22:24:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-19 22:24:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-19 22:24:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2022-07-19 22:24:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2022-07-19 22:24:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-19 22:24:37,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-19 22:24:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 22:24:37,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 22:24:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2022-07-19 22:24:37,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2022-07-19 22:24:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-07-19 22:24:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-07-19 22:24:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 22:24:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 22:24:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 22:24:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 22:24:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-19 22:24:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-19 22:24:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 22:24:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-19 22:24:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-19 22:24:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 22:24:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 22:24:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 22:24:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-19 22:24:37,478 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-19 22:24:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmget [2022-07-19 22:24:37,478 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmget [2022-07-19 22:24:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-19 22:24:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 22:24:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_INT [2022-07-19 22:24:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_INT [2022-07-19 22:24:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 22:24:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 22:24:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 22:24:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 22:24:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-19 22:24:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-19 22:24:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-19 22:24:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-19 22:24:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure if_chars_in_buffer [2022-07-19 22:24:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure if_chars_in_buffer [2022-07-19 22:24:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure if_write_room [2022-07-19 22:24:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure if_write_room [2022-07-19 22:24:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 22:24:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 22:24:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure if_throttle [2022-07-19 22:24:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure if_throttle [2022-07-19 22:24:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-19 22:24:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-19 22:24:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-19 22:24:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-19 22:24:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2022-07-19 22:24:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2022-07-19 22:24:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 22:24:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 22:24:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-19 22:24:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-19 22:24:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-07-19 22:24:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 22:24:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 22:24:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 22:24:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 22:24:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 22:24:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 22:24:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 22:24:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-19 22:24:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-19 22:24:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 22:24:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 22:24:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 22:24:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 22:24:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 22:24:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 22:24:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-19 22:24:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-19 22:24:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmset [2022-07-19 22:24:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmset [2022-07-19 22:24:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-19 22:24:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-19 22:24:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure if_open [2022-07-19 22:24:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure if_open [2022-07-19 22:24:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 22:24:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 22:24:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure setflags [2022-07-19 22:24:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setflags [2022-07-19 22:24:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure if_unthrottle [2022-07-19 22:24:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure if_unthrottle [2022-07-19 22:24:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 22:24:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-19 22:24:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-19 22:24:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 22:24:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 22:24:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-19 22:24:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-19 22:24:37,844 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 22:24:37,846 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 22:24:42,211 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-19 22:24:42,212 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-19 22:24:42,831 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-07-19 22:24:42,831 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-07-19 22:24:42,832 INFO L764 $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; [2022-07-19 22:24:42,832 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5012: SUMMARY for call #t~ret76#1.base, #t~ret76#1.offset := get_current(); srcloc: null [2022-07-19 22:24:42,833 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:24:42,834 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:24:42,835 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:24:43,243 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-07-19 22:24:43,243 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-07-19 22:24:43,243 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2022-07-19 22:24:43,243 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2022-07-19 22:24:43,243 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-07-19 22:24:43,243 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-07-19 22:24:43,613 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:24:43,615 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:24:43,617 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock.