./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 f4b24e32 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-?-f4b24e3 [2022-07-13 23:00:09,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:00:09,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:00:09,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:00:09,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:00:09,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:00:09,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:00:09,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:00:09,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:00:09,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:00:09,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:00:09,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:00:09,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:00:09,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:00:09,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:00:09,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:00:09,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:00:09,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:00:09,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:00:09,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:00:09,358 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:00:09,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:00:09,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:00:09,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:00:09,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:00:09,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:00:09,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:00:09,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:00:09,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:00:09,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:00:09,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:00:09,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:00:09,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:00:09,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:00:09,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:00:09,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:00:09,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:00:09,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:00:09,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:00:09,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:00:09,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:00:09,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:00:09,379 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:00:09,392 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:00:09,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:00:09,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:00:09,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:00:09,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:00:09,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:00:09,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:00:09,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:00:09,399 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:00:09,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:00:09,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:00:09,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:00:09,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:00:09,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:00:09,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:00:09,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:00:09,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:00:09,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:00:09,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:00:09,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:00:09,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:00:09,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:00:09,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:00:09,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:00:09,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:00:09,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:00:09,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:00:09,403 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:00:09,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:00:09,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:00:09,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6344be269056834d180d9b5e1136d4ee678a64c336fe877230b0ca721a1da138 [2022-07-13 23:00:09,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:00:09,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:00:09,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:00:09,572 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:00:09,573 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:00:09,573 INFO L432 ainManager$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 [2022-07-13 23:00:09,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0ed6df9/32fb078baf8e4d9ca8c479603555af43/FLAG1de3912b7 [2022-07-13 23:00:10,281 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:00:10,282 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 [2022-07-13 23:00:10,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0ed6df9/32fb078baf8e4d9ca8c479603555af43/FLAG1de3912b7 [2022-07-13 23:00:10,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc0ed6df9/32fb078baf8e4d9ca8c479603555af43 [2022-07-13 23:00:10,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:00:10,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:00:10,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:00:10,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:00:10,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:00:10,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:00:10" (1/1) ... [2022-07-13 23:00:10,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c960266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:10, skipping insertion in model container [2022-07-13 23:00:10,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:00:10" (1/1) ... [2022-07-13 23:00:10,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:00:10,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:00:11,424 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] [2022-07-13 23:00:11,776 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:00:11,780 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:00:11,781 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:00:11,784 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:00:12,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:00:12,577 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:00:12,753 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] [2022-07-13 23:00:12,846 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:00:12,848 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:00:12,848 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:00:12,850 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:00:13,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:00:13,188 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:00:13,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13 WrapperNode [2022-07-13 23:00:13,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:00:13,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:00:13,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:00:13,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:00:13,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13" (1/1) ... [2022-07-13 23:00:13,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13" (1/1) ... [2022-07-13 23:00:13,444 INFO L137 Inliner]: procedures = 352, calls = 6447, calls flagged for inlining = 152, calls inlined = 32, statements flattened = 4308 [2022-07-13 23:00:13,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:00:13,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:00:13,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:00:13,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:00:13,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13" (1/1) ... [2022-07-13 23:00:13,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13" (1/1) ... [2022-07-13 23:00:13,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13" (1/1) ... [2022-07-13 23:00:13,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13" (1/1) ... [2022-07-13 23:00:13,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13" (1/1) ... [2022-07-13 23:00:13,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13" (1/1) ... [2022-07-13 23:00:13,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13" (1/1) ... [2022-07-13 23:00:13,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:00:13,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:00:13,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:00:13,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:00:13,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13" (1/1) ... [2022-07-13 23:00:13,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:00:13,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:00:13,620 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) [2022-07-13 23:00:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-07-13 23:00:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-07-13 23:00:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-13 23:00:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-13 23:00:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-13 23:00:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:00:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:00:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-07-13 23:00:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-07-13 23:00:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-13 23:00:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-13 23:00:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:00:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:00:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-13 23:00:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-13 23:00:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2022-07-13 23:00:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2022-07-13 23:00:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-13 23:00:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-13 23:00:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:00:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:00:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-07-13 23:00:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-07-13 23:00:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-13 23:00:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-13 23:00:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_enterconfigmode [2022-07-13 23:00:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_enterconfigmode [2022-07-13 23:00:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:00:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:00:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-13 23:00:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-13 23:00:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure if_ioctl [2022-07-13 23:00:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure if_ioctl [2022-07-13 23:00:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-13 23:00:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-13 23:00:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:00:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:00:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-13 23:00:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-13 23:00:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmget [2022-07-13 23:00:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmget [2022-07-13 23:00:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-13 23:00:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-13 23:00:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-13 23:00:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-13 23:00:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure if_config [2022-07-13 23:00:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure if_config [2022-07-13 23:00:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-13 23:00:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-13 23:00:13,656 INFO L130 BoogieDeclarations]: Found specification of procedure if_chars_in_buffer [2022-07-13 23:00:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure if_chars_in_buffer [2022-07-13 23:00:13,656 INFO L130 BoogieDeclarations]: Found specification of procedure if_write_room [2022-07-13 23:00:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure if_write_room [2022-07-13 23:00:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure if_lock [2022-07-13 23:00:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure if_lock [2022-07-13 23:00:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-13 23:00:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-13 23:00:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure if_throttle [2022-07-13 23:00:13,658 INFO L138 BoogieDeclarations]: Found implementation of procedure if_throttle [2022-07-13 23:00:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-13 23:00:13,658 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-13 23:00:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-13 23:00:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-13 23:00:13,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-13 23:00:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2022-07-13 23:00:13,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2022-07-13 23:00:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-13 23:00:13,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-13 23:00:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-13 23:00:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 23:00:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-13 23:00:13,636 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 [2022-07-13 23:00:13,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-13 23:00:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 23:00:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-07-13 23:00:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:00:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-13 23:00:13,662 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-13 23:00:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:00:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:00:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-13 23:00:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-13 23:00:13,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-13 23:00:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-13 23:00:13,663 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-13 23:00:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmset [2022-07-13 23:00:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmset [2022-07-13 23:00:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-13 23:00:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-13 23:00:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure if_open [2022-07-13 23:00:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure if_open [2022-07-13 23:00:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-13 23:00:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-13 23:00:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure setflags [2022-07-13 23:00:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setflags [2022-07-13 23:00:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-13 23:00:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-13 23:00:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure if_unthrottle [2022-07-13 23:00:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure if_unthrottle [2022-07-13 23:00:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 23:00:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-13 23:00:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-13 23:00:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:00:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:00:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-13 23:00:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-13 23:00:14,038 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:00:14,041 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:00:14,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-13 23:00:14,354 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-13 23:00:14,380 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:14,383 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:14,580 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; [2022-07-13 23:00:14,581 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2022-07-13 23:00:14,581 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume !false; [2022-07-13 23:00:14,581 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume false; [2022-07-13 23:00:14,581 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2022-07-13 23:00:14,581 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2022-07-13 23:00:14,581 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2022-07-13 23:00:14,582 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2022-07-13 23:00:14,582 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-13 23:00:14,582 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-13 23:00:14,582 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-07-13 23:00:14,582 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-07-13 23:00:14,723 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-07-13 23:00:14,723 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-07-13 23:00:14,724 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; [2022-07-13 23:00:14,724 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5012: SUMMARY for call #t~ret76#1.base, #t~ret76#1.offset := get_current(); srcloc: null [2022-07-13 23:00:14,725 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:14,725 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:14,726 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:14,805 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-07-13 23:00:14,806 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-07-13 23:00:14,806 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2022-07-13 23:00:14,806 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2022-07-13 23:00:14,806 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-07-13 23:00:14,806 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-07-13 23:00:15,017 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:01:04,487 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2022-07-13 23:01:04,488 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2022-07-13 23:01:04,506 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:01:04,520 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:01:04,521 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-13 23:01:04,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:01:04 BoogieIcfgContainer [2022-07-13 23:01:04,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:01:04,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:01:04,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:01:04,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:01:04,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:00:10" (1/3) ... [2022-07-13 23:01:04,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae0694d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:01:04, skipping insertion in model container [2022-07-13 23:01:04,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:13" (2/3) ... [2022-07-13 23:01:04,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae0694d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:01:04, skipping insertion in model container [2022-07-13 23:01:04,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:01:04" (3/3) ... [2022-07-13 23:01:04,530 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i [2022-07-13 23:01:04,539 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:01:04,540 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:01:04,593 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:01:04,598 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@4c729360, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1dee683f [2022-07-13 23:01:04,599 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:01:04,604 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) [2022-07-13 23:01:04,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-13 23:01:04,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:04,609 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:01:04,610 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:04,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:04,614 INFO L85 PathProgramCache]: Analyzing trace with hash 554602658, now seen corresponding path program 1 times [2022-07-13 23:01:04,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:01:04,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580438736] [2022-07-13 23:01:04,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:04,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:01:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:05,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:01:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:01:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:05,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:01:05,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:01:05,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580438736] [2022-07-13 23:01:05,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580438736] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:05,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:05,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:01:05,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82354110] [2022-07-13 23:01:05,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:05,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:01:05,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:01:05,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:01:05,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:01:05,365 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) [2022-07-13 23:01:07,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:07,594 INFO L93 Difference]: Finished difference Result 2247 states and 3378 transitions. [2022-07-13 23:01:07,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:01:07,596 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 [2022-07-13 23:01:07,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:07,616 INFO L225 Difference]: With dead ends: 2247 [2022-07-13 23:01:07,617 INFO L226 Difference]: Without dead ends: 1555 [2022-07-13 23:01:07,626 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 [2022-07-13 23:01:07,628 INFO L413 NwaCegarLoop]: 1071 mSDtfsCounter, 1690 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 2168 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:07,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 2168 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-13 23:01:07,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2022-07-13 23:01:07,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1446. [2022-07-13 23:01:07,724 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) [2022-07-13 23:01:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 2071 transitions. [2022-07-13 23:01:07,731 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 2071 transitions. Word has length 22 [2022-07-13 23:01:07,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:07,732 INFO L495 AbstractCegarLoop]: Abstraction has 1446 states and 2071 transitions. [2022-07-13 23:01:07,732 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) [2022-07-13 23:01:07,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2071 transitions. [2022-07-13 23:01:07,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-07-13 23:01:07,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:07,739 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] [2022-07-13 23:01:07,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 23:01:07,739 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:07,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:07,740 INFO L85 PathProgramCache]: Analyzing trace with hash -515685247, now seen corresponding path program 1 times [2022-07-13 23:01:07,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:01:07,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666643755] [2022-07-13 23:01:07,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:07,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:01:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:01:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:01:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 23:01:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 23:01:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:01:08,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:01:08,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666643755] [2022-07-13 23:01:08,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666643755] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:08,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:08,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 23:01:08,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895209277] [2022-07-13 23:01:08,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:08,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 23:01:08,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:01:08,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 23:01:08,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 23:01:08,115 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) [2022-07-13 23:01:10,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:10,033 INFO L93 Difference]: Finished difference Result 3398 states and 4975 transitions. [2022-07-13 23:01:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 23:01:10,034 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 [2022-07-13 23:01:10,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:10,043 INFO L225 Difference]: With dead ends: 3398 [2022-07-13 23:01:10,043 INFO L226 Difference]: Without dead ends: 1957 [2022-07-13 23:01:10,048 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 [2022-07-13 23:01:10,049 INFO L413 NwaCegarLoop]: 973 mSDtfsCounter, 877 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 2761 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:10,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 2761 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-13 23:01:10,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2022-07-13 23:01:10,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1833. [2022-07-13 23:01:10,113 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) [2022-07-13 23:01:10,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2702 transitions. [2022-07-13 23:01:10,121 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2702 transitions. Word has length 42 [2022-07-13 23:01:10,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:10,122 INFO L495 AbstractCegarLoop]: Abstraction has 1833 states and 2702 transitions. [2022-07-13 23:01:10,122 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) [2022-07-13 23:01:10,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2702 transitions. [2022-07-13 23:01:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-13 23:01:10,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:10,128 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] [2022-07-13 23:01:10,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 23:01:10,129 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:10,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:10,129 INFO L85 PathProgramCache]: Analyzing trace with hash 350386510, now seen corresponding path program 1 times [2022-07-13 23:01:10,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:01:10,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554567555] [2022-07-13 23:01:10,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:10,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:01:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:10,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:01:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:10,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:01:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-13 23:01:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 23:01:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:01:10,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:01:10,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554567555] [2022-07-13 23:01:10,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554567555] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:10,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:10,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 23:01:10,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910976895] [2022-07-13 23:01:10,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:10,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 23:01:10,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:01:10,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 23:01:10,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-13 23:01:10,492 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) [2022-07-13 23:01:13,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:13,455 INFO L93 Difference]: Finished difference Result 3855 states and 5841 transitions. [2022-07-13 23:01:13,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 23:01:13,456 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 [2022-07-13 23:01:13,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:13,465 INFO L225 Difference]: With dead ends: 3855 [2022-07-13 23:01:13,465 INFO L226 Difference]: Without dead ends: 2029 [2022-07-13 23:01:13,472 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 [2022-07-13 23:01:13,473 INFO L413 NwaCegarLoop]: 919 mSDtfsCounter, 1060 mSDsluCounter, 2888 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 3807 SdHoareTripleChecker+Invalid, 2651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:13,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 3807 Invalid, 2651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-13 23:01:13,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2022-07-13 23:01:13,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 1815. [2022-07-13 23:01:13,512 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) [2022-07-13 23:01:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2675 transitions. [2022-07-13 23:01:13,519 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2675 transitions. Word has length 47 [2022-07-13 23:01:13,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:13,519 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 2675 transitions. [2022-07-13 23:01:13,519 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) [2022-07-13 23:01:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2675 transitions. [2022-07-13 23:01:13,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-13 23:01:13,521 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:13,521 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] [2022-07-13 23:01:13,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 23:01:13,521 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:13,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:13,522 INFO L85 PathProgramCache]: Analyzing trace with hash 733442756, now seen corresponding path program 1 times [2022-07-13 23:01:13,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:01:13,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926180607] [2022-07-13 23:01:13,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:13,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:01:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:13,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:01:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:01:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:13,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:01:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:13,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 23:01:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:01:13,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:01:13,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926180607] [2022-07-13 23:01:13,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926180607] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:13,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:13,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 23:01:13,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289178461] [2022-07-13 23:01:13,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:13,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 23:01:13,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:01:13,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 23:01:13,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-13 23:01:13,818 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) [2022-07-13 23:01:17,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:17,609 INFO L93 Difference]: Finished difference Result 3113 states and 4760 transitions. [2022-07-13 23:01:17,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-13 23:01:17,609 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 [2022-07-13 23:01:17,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:17,618 INFO L225 Difference]: With dead ends: 3113 [2022-07-13 23:01:17,618 INFO L226 Difference]: Without dead ends: 2151 [2022-07-13 23:01:17,622 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 [2022-07-13 23:01:17,622 INFO L413 NwaCegarLoop]: 870 mSDtfsCounter, 1585 mSDsluCounter, 2850 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 652 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 3720 SdHoareTripleChecker+Invalid, 3507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 652 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:17,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 3720 Invalid, 3507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [652 Valid, 2855 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-13 23:01:17,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2022-07-13 23:01:17,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 1815. [2022-07-13 23:01:17,665 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) [2022-07-13 23:01:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2674 transitions. [2022-07-13 23:01:17,671 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2674 transitions. Word has length 46 [2022-07-13 23:01:17,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:17,671 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 2674 transitions. [2022-07-13 23:01:17,671 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) [2022-07-13 23:01:17,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2674 transitions. [2022-07-13 23:01:17,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-13 23:01:17,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:17,673 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] [2022-07-13 23:01:17,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 23:01:17,673 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:17,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:17,674 INFO L85 PathProgramCache]: Analyzing trace with hash -686085452, now seen corresponding path program 1 times [2022-07-13 23:01:17,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:01:17,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399131039] [2022-07-13 23:01:17,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:17,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:01:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:01:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:17,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:01:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:17,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-13 23:01:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:17,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 23:01:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:17,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:01:17,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:01:17,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399131039] [2022-07-13 23:01:17,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399131039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:17,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:17,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 23:01:17,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783543189] [2022-07-13 23:01:17,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:17,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 23:01:17,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:01:17,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 23:01:18,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 23:01:18,000 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) [2022-07-13 23:01:24,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:24,325 INFO L93 Difference]: Finished difference Result 3181 states and 4862 transitions. [2022-07-13 23:01:24,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 23:01:24,330 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 [2022-07-13 23:01:24,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:24,344 INFO L225 Difference]: With dead ends: 3181 [2022-07-13 23:01:24,344 INFO L226 Difference]: Without dead ends: 3178 [2022-07-13 23:01:24,345 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 [2022-07-13 23:01:24,346 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3998 mSDsluCounter, 4140 mSDsCounter, 0 mSdLazyCounter, 4523 mSolverCounterSat, 1643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4080 SdHoareTripleChecker+Valid, 6242 SdHoareTripleChecker+Invalid, 6166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1643 IncrementalHoareTripleChecker+Valid, 4523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:24,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4080 Valid, 6242 Invalid, 6166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1643 Valid, 4523 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-13 23:01:24,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2022-07-13 23:01:24,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 2774. [2022-07-13 23:01:24,415 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) [2022-07-13 23:01:24,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 4154 transitions. [2022-07-13 23:01:24,423 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 4154 transitions. Word has length 49 [2022-07-13 23:01:24,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:24,423 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 4154 transitions. [2022-07-13 23:01:24,423 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) [2022-07-13 23:01:24,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 4154 transitions. [2022-07-13 23:01:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-13 23:01:24,425 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:24,425 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] [2022-07-13 23:01:24,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 23:01:24,426 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:24,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:24,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1452746292, now seen corresponding path program 1 times [2022-07-13 23:01:24,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:01:24,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492755191] [2022-07-13 23:01:24,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:24,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:01:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:01:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:01:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:01:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 23:01:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:24,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 23:01:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:01:24,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:01:24,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492755191] [2022-07-13 23:01:24,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492755191] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:24,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:24,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 23:01:24,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184638457] [2022-07-13 23:01:24,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:24,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 23:01:24,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:01:24,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 23:01:24,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 23:01:24,698 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) [2022-07-13 23:01:26,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:28,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:28,744 INFO L93 Difference]: Finished difference Result 5829 states and 8817 transitions. [2022-07-13 23:01:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 23:01:28,746 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 [2022-07-13 23:01:28,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:28,758 INFO L225 Difference]: With dead ends: 5829 [2022-07-13 23:01:28,758 INFO L226 Difference]: Without dead ends: 3059 [2022-07-13 23:01:28,767 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 [2022-07-13 23:01:28,770 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 906 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 3142 SdHoareTripleChecker+Invalid, 2410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 346 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:28,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 3142 Invalid, 2410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [346 Valid, 2064 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-13 23:01:28,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3059 states. [2022-07-13 23:01:28,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3059 to 2555. [2022-07-13 23:01:28,836 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) [2022-07-13 23:01:28,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3788 transitions. [2022-07-13 23:01:28,842 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3788 transitions. Word has length 59 [2022-07-13 23:01:28,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:28,843 INFO L495 AbstractCegarLoop]: Abstraction has 2555 states and 3788 transitions. [2022-07-13 23:01:28,843 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) [2022-07-13 23:01:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3788 transitions. [2022-07-13 23:01:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-13 23:01:28,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:28,844 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] [2022-07-13 23:01:28,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 23:01:28,845 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:28,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:28,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1957736655, now seen corresponding path program 1 times [2022-07-13 23:01:28,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:01:28,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067862945] [2022-07-13 23:01:28,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:28,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:01:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:29,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:01:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:01:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:01:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 23:01:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 23:01:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-13 23:01:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:29,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:01:29,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:01:29,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067862945] [2022-07-13 23:01:29,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067862945] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:29,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:29,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 23:01:29,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502855619] [2022-07-13 23:01:29,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:29,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 23:01:29,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:01:29,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 23:01:29,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-13 23:01:29,291 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) [2022-07-13 23:01:34,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:34,052 INFO L93 Difference]: Finished difference Result 5706 states and 8935 transitions. [2022-07-13 23:01:34,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 23:01:34,052 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 [2022-07-13 23:01:34,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:34,066 INFO L225 Difference]: With dead ends: 5706 [2022-07-13 23:01:34,066 INFO L226 Difference]: Without dead ends: 3158 [2022-07-13 23:01:34,077 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 [2022-07-13 23:01:34,078 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 1115 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 2756 SdHoareTripleChecker+Invalid, 2317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:34,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 2756 Invalid, 2317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 1862 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-13 23:01:34,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2022-07-13 23:01:34,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 2561. [2022-07-13 23:01:34,149 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) [2022-07-13 23:01:34,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3794 transitions. [2022-07-13 23:01:34,157 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3794 transitions. Word has length 58 [2022-07-13 23:01:34,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:34,157 INFO L495 AbstractCegarLoop]: Abstraction has 2561 states and 3794 transitions. [2022-07-13 23:01:34,157 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) [2022-07-13 23:01:34,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3794 transitions. [2022-07-13 23:01:34,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-13 23:01:34,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:34,159 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] [2022-07-13 23:01:34,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 23:01:34,160 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:34,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:34,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1392254320, now seen corresponding path program 1 times [2022-07-13 23:01:34,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:01:34,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933400063] [2022-07-13 23:01:34,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:34,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:01:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:34,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:01:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:34,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:01:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:01:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:34,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:01:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:01:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:34,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 23:01:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:34,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 23:01:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 23:01:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:01:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:01:34,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:01:34,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933400063] [2022-07-13 23:01:34,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933400063] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:34,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:34,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 23:01:34,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529015410] [2022-07-13 23:01:34,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:34,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 23:01:34,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:01:34,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 23:01:34,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-13 23:01:34,594 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) [2022-07-13 23:01:39,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:39,311 INFO L93 Difference]: Finished difference Result 5757 states and 9010 transitions. [2022-07-13 23:01:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-13 23:01:39,312 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 [2022-07-13 23:01:39,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:39,325 INFO L225 Difference]: With dead ends: 5757 [2022-07-13 23:01:39,325 INFO L226 Difference]: Without dead ends: 3203 [2022-07-13 23:01:39,334 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 [2022-07-13 23:01:39,335 INFO L413 NwaCegarLoop]: 859 mSDtfsCounter, 1159 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 2986 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 3803 SdHoareTripleChecker+Invalid, 3454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 2986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:39,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 3803 Invalid, 3454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 2986 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-13 23:01:39,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2022-07-13 23:01:39,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 2600. [2022-07-13 23:01:39,420 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) [2022-07-13 23:01:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2600 states and 3854 transitions. [2022-07-13 23:01:39,427 INFO L78 Accepts]: Start accepts. Automaton has 2600 states and 3854 transitions. Word has length 77 [2022-07-13 23:01:39,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:39,427 INFO L495 AbstractCegarLoop]: Abstraction has 2600 states and 3854 transitions. [2022-07-13 23:01:39,428 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) [2022-07-13 23:01:39,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3854 transitions. [2022-07-13 23:01:39,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-13 23:01:39,430 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:39,430 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] [2022-07-13 23:01:39,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 23:01:39,430 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:39,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:39,431 INFO L85 PathProgramCache]: Analyzing trace with hash 102465375, now seen corresponding path program 1 times [2022-07-13 23:01:39,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:01:39,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396942565] [2022-07-13 23:01:39,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:39,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:01:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:01:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:01:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:01:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:01:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:01:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 23:01:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:01:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 23:01:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:01:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-13 23:01:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-13 23:01:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:01:41,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:01:41,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396942565] [2022-07-13 23:01:41,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396942565] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:41,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:41,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-13 23:01:41,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957443035] [2022-07-13 23:01:41,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:41,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 23:01:41,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:01:41,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 23:01:41,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-07-13 23:01:41,992 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) [2022-07-13 23:01:48,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:48,544 INFO L93 Difference]: Finished difference Result 5160 states and 8040 transitions. [2022-07-13 23:01:48,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-13 23:01:48,555 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 [2022-07-13 23:01:48,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:48,568 INFO L225 Difference]: With dead ends: 5160 [2022-07-13 23:01:48,569 INFO L226 Difference]: Without dead ends: 3204 [2022-07-13 23:01:48,576 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 [2022-07-13 23:01:48,577 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 1604 mSDsluCounter, 4280 mSDsCounter, 0 mSdLazyCounter, 4643 mSolverCounterSat, 654 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 5143 SdHoareTripleChecker+Invalid, 5297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 654 IncrementalHoareTripleChecker+Valid, 4643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:48,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1648 Valid, 5143 Invalid, 5297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [654 Valid, 4643 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-13 23:01:48,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2022-07-13 23:01:48,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 2598. [2022-07-13 23:01:48,652 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) [2022-07-13 23:01:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2598 states and 3850 transitions. [2022-07-13 23:01:48,658 INFO L78 Accepts]: Start accepts. Automaton has 2598 states and 3850 transitions. Word has length 93 [2022-07-13 23:01:48,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:48,659 INFO L495 AbstractCegarLoop]: Abstraction has 2598 states and 3850 transitions. [2022-07-13 23:01:48,659 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) [2022-07-13 23:01:48,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 3850 transitions. [2022-07-13 23:01:48,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-13 23:01:48,661 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:48,661 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] [2022-07-13 23:01:48,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 23:01:48,661 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:48,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:48,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1663302023, now seen corresponding path program 1 times [2022-07-13 23:01:48,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:01:48,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508995057] [2022-07-13 23:01:48,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:48,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:01:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:01:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:01:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:01:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:01:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:01:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 23:01:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:01:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 23:01:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:01:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-13 23:01:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 23:01:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:48,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:01:48,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:01:48,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508995057] [2022-07-13 23:01:48,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508995057] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:48,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:48,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 23:01:48,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320227251] [2022-07-13 23:01:49,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:49,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 23:01:49,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:01:49,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 23:01:49,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-13 23:01:49,001 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) [2022-07-13 23:01:50,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:53,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:53,361 INFO L93 Difference]: Finished difference Result 3393 states and 5265 transitions. [2022-07-13 23:01:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 23:01:53,361 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 [2022-07-13 23:01:53,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:53,375 INFO L225 Difference]: With dead ends: 3393 [2022-07-13 23:01:53,375 INFO L226 Difference]: Without dead ends: 3388 [2022-07-13 23:01:53,377 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 [2022-07-13 23:01:53,378 INFO L413 NwaCegarLoop]: 1014 mSDtfsCounter, 1761 mSDsluCounter, 3465 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 4479 SdHoareTripleChecker+Invalid, 3565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:53,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1843 Valid, 4479 Invalid, 3565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [657 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-13 23:01:53,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2022-07-13 23:01:53,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 2601. [2022-07-13 23:01:53,463 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) [2022-07-13 23:01:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2601 states and 3852 transitions. [2022-07-13 23:01:53,469 INFO L78 Accepts]: Start accepts. Automaton has 2601 states and 3852 transitions. Word has length 93 [2022-07-13 23:01:53,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:53,469 INFO L495 AbstractCegarLoop]: Abstraction has 2601 states and 3852 transitions. [2022-07-13 23:01:53,469 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) [2022-07-13 23:01:53,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 3852 transitions. [2022-07-13 23:01:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-13 23:01:53,471 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:53,471 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] [2022-07-13 23:01:53,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 23:01:53,472 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:53,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:53,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1902771639, now seen corresponding path program 1 times [2022-07-13 23:01:53,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:01:53,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100255403] [2022-07-13 23:01:53,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:53,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:01:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:01:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:01:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:01:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:01:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:01:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 23:01:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:01:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 23:01:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:01:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-13 23:01:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-13 23:01:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:53,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:01:53,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:01:53,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100255403] [2022-07-13 23:01:53,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100255403] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:53,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:53,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 23:01:53,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571910513] [2022-07-13 23:01:53,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:53,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 23:01:53,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:01:53,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 23:01:53,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-13 23:01:53,855 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) [2022-07-13 23:02:01,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:02:01,336 INFO L93 Difference]: Finished difference Result 6236 states and 9888 transitions. [2022-07-13 23:02:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-13 23:02:01,336 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 [2022-07-13 23:02:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:02:01,366 INFO L225 Difference]: With dead ends: 6236 [2022-07-13 23:02:01,366 INFO L226 Difference]: Without dead ends: 5241 [2022-07-13 23:02:01,371 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 [2022-07-13 23:02:01,372 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 4059 mSDsluCounter, 3118 mSDsCounter, 0 mSdLazyCounter, 5552 mSolverCounterSat, 1959 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4131 SdHoareTripleChecker+Valid, 4017 SdHoareTripleChecker+Invalid, 7511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1959 IncrementalHoareTripleChecker+Valid, 5552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:02:01,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4131 Valid, 4017 Invalid, 7511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1959 Valid, 5552 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-13 23:02:01,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5241 states. [2022-07-13 23:02:01,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5241 to 4330. [2022-07-13 23:02:01,517 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) [2022-07-13 23:02:01,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4330 states to 4330 states and 6719 transitions. [2022-07-13 23:02:01,529 INFO L78 Accepts]: Start accepts. Automaton has 4330 states and 6719 transitions. Word has length 95 [2022-07-13 23:02:01,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:02:01,530 INFO L495 AbstractCegarLoop]: Abstraction has 4330 states and 6719 transitions. [2022-07-13 23:02:01,530 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) [2022-07-13 23:02:01,530 INFO L276 IsEmpty]: Start isEmpty. Operand 4330 states and 6719 transitions. [2022-07-13 23:02:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-13 23:02:01,532 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:02:01,532 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] [2022-07-13 23:02:01,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 23:02:01,532 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:02:01,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:02:01,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1336599760, now seen corresponding path program 1 times [2022-07-13 23:02:01,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:02:01,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256057455] [2022-07-13 23:02:01,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:02:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:02:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 23:02:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 23:02:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:02:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-13 23:02:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 23:02:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 23:02:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 23:02:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 23:02:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 23:02:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-13 23:02:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 23:02:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:02:01,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:02:01,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256057455] [2022-07-13 23:02:01,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256057455] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 23:02:01,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717663896] [2022-07-13 23:02:01,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:02:01,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 23:02:01,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:02:01,834 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) [2022-07-13 23:02:01,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 23:02:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:02:02,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 8298 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 23:02:02,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:02:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 23:02:03,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:02:03,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717663896] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:02:03,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 23:02:03,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2022-07-13 23:02:03,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139278342] [2022-07-13 23:02:03,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:02:03,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:02:03,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:02:03,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:02:03,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-13 23:02:03,042 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) [2022-07-13 23:02:03,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:02:03,194 INFO L93 Difference]: Finished difference Result 8016 states and 12456 transitions. [2022-07-13 23:02:03,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 23:02:03,194 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 [2022-07-13 23:02:03,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:02:03,210 INFO L225 Difference]: With dead ends: 8016 [2022-07-13 23:02:03,210 INFO L226 Difference]: Without dead ends: 4330 [2022-07-13 23:02:03,223 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 [2022-07-13 23:02:03,224 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 [2022-07-13 23:02:03,224 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] [2022-07-13 23:02:03,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4330 states. [2022-07-13 23:02:03,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4330 to 4330. [2022-07-13 23:02:03,351 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) [2022-07-13 23:02:03,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4330 states to 4330 states and 6709 transitions. [2022-07-13 23:02:03,368 INFO L78 Accepts]: Start accepts. Automaton has 4330 states and 6709 transitions. Word has length 96 [2022-07-13 23:02:03,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:02:03,368 INFO L495 AbstractCegarLoop]: Abstraction has 4330 states and 6709 transitions. [2022-07-13 23:02:03,369 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) [2022-07-13 23:02:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 4330 states and 6709 transitions. [2022-07-13 23:02:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-13 23:02:03,375 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:02:03,375 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] [2022-07-13 23:02:03,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 23:02:03,587 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 [2022-07-13 23:02:03,588 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:02:03,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:02:03,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1356963481, now seen corresponding path program 1 times [2022-07-13 23:02:03,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:02:03,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070303074] [2022-07-13 23:02:03,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:02:03,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:02:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:02:05,337 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 23:02:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:02:07,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 23:02:07,728 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 23:02:07,729 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 23:02:07,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-13 23:02:07,732 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:02:07,735 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 23:02:07,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:02:07 BoogieIcfgContainer [2022-07-13 23:02:07,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 23:02:07,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 23:02:07,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 23:02:07,845 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 23:02:07,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:01:04" (3/4) ... [2022-07-13 23:02:07,847 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 23:02:07,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 23:02:07,848 INFO L158 Benchmark]: Toolchain (without parser) took 117457.51ms. Allocated memory was 92.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 58.1MB in the beginning and 933.3MB in the end (delta: -875.2MB). Peak memory consumption was 205.9MB. Max. memory is 16.1GB. [2022-07-13 23:02:07,848 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:02:07,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2797.95ms. Allocated memory was 92.3MB in the beginning and 251.7MB in the end (delta: 159.4MB). Free memory was 57.8MB in the beginning and 105.7MB in the end (delta: -47.8MB). Peak memory consumption was 122.3MB. Max. memory is 16.1GB. [2022-07-13 23:02:07,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 255.34ms. Allocated memory is still 251.7MB. Free memory was 105.7MB in the beginning and 139.3MB in the end (delta: -33.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-07-13 23:02:07,849 INFO L158 Benchmark]: Boogie Preprocessor took 141.27ms. Allocated memory is still 251.7MB. Free memory was 139.3MB in the beginning and 114.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-13 23:02:07,849 INFO L158 Benchmark]: RCFGBuilder took 50936.80ms. Allocated memory was 251.7MB in the beginning and 947.9MB in the end (delta: 696.3MB). Free memory was 114.1MB in the beginning and 352.4MB in the end (delta: -238.3MB). Peak memory consumption was 555.5MB. Max. memory is 16.1GB. [2022-07-13 23:02:07,849 INFO L158 Benchmark]: TraceAbstraction took 63318.61ms. Allocated memory was 947.9MB in the beginning and 1.2GB in the end (delta: 224.4MB). Free memory was 352.4MB in the beginning and 933.3MB in the end (delta: -580.9MB). Peak memory consumption was 228.6MB. Max. memory is 16.1GB. [2022-07-13 23:02:07,849 INFO L158 Benchmark]: Witness Printer took 2.80ms. Allocated memory is still 1.2GB. Free memory is still 933.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:02:07,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2797.95ms. Allocated memory was 92.3MB in the beginning and 251.7MB in the end (delta: 159.4MB). Free memory was 57.8MB in the beginning and 105.7MB in the end (delta: -47.8MB). Peak memory consumption was 122.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 255.34ms. Allocated memory is still 251.7MB. Free memory was 105.7MB in the beginning and 139.3MB in the end (delta: -33.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 141.27ms. Allocated memory is still 251.7MB. Free memory was 139.3MB in the beginning and 114.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 50936.80ms. Allocated memory was 251.7MB in the beginning and 947.9MB in the end (delta: 696.3MB). Free memory was 114.1MB in the beginning and 352.4MB in the end (delta: -238.3MB). Peak memory consumption was 555.5MB. Max. memory is 16.1GB. * TraceAbstraction took 63318.61ms. Allocated memory was 947.9MB in the beginning and 1.2GB in the end (delta: 224.4MB). Free memory was 352.4MB in the beginning and 933.3MB in the end (delta: -580.9MB). Peak memory consumption was 228.6MB. Max. memory is 16.1GB. * Witness Printer took 2.80ms. Allocated memory is still 1.2GB. Free memory is still 933.3MB. 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: 63.2s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 49.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20734 SdHoareTripleChecker+Valid, 46.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20063 mSDsluCounter, 44861 SdHoareTripleChecker+Invalid, 42.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32458 mSDsCounter, 7865 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31478 IncrementalHoareTripleChecker+Invalid, 39343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7865 mSolverCounterUnsat, 12403 mSDtfsCounter, 31478 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 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: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 5195 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 2.9s 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 [2022-07-13 23:02:07,880 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-?-f4b24e3 [2022-07-13 23:02:09,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:02:09,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:02:09,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:02:09,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:02:09,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:02:09,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:02:09,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:02:09,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:02:09,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:02:09,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:02:09,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:02:09,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:02:09,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:02:09,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:02:09,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:02:09,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:02:09,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:02:09,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:02:09,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:02:09,591 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:02:09,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:02:09,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:02:09,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:02:09,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:02:09,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:02:09,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:02:09,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:02:09,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:02:09,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:02:09,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:02:09,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:02:09,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:02:09,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:02:09,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:02:09,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:02:09,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:02:09,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:02:09,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:02:09,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:02:09,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:02:09,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:02:09,615 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-13 23:02:09,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:02:09,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:02:09,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:02:09,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:02:09,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:02:09,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:02:09,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:02:09,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:02:09,650 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:02:09,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:02:09,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:02:09,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:02:09,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:02:09,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:02:09,651 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 23:02:09,652 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 23:02:09,652 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 23:02:09,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:02:09,652 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:02:09,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:02:09,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:02:09,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:02:09,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:02:09,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:02:09,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:02:09,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:02:09,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:02:09,653 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 23:02:09,654 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 23:02:09,654 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:02:09,654 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:02:09,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:02:09,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 23:02:09,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6344be269056834d180d9b5e1136d4ee678a64c336fe877230b0ca721a1da138 [2022-07-13 23:02:09,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:02:09,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:02:09,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:02:09,946 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:02:09,947 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:02:09,948 INFO L432 ainManager$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 [2022-07-13 23:02:09,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9945b2c71/0b656570d55c4c4ab9c9931183e680c9/FLAG86ccabef9 [2022-07-13 23:02:10,656 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:02:10,656 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 [2022-07-13 23:02:10,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9945b2c71/0b656570d55c4c4ab9c9931183e680c9/FLAG86ccabef9 [2022-07-13 23:02:11,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9945b2c71/0b656570d55c4c4ab9c9931183e680c9 [2022-07-13 23:02:11,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:02:11,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:02:11,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:02:11,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:02:11,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:02:11,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:02:11" (1/1) ... [2022-07-13 23:02:11,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ae9c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:11, skipping insertion in model container [2022-07-13 23:02:11,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:02:11" (1/1) ... [2022-07-13 23:02:11,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:02:11,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:02:12,199 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] [2022-07-13 23:02:12,537 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:12,542 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:12,542 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:12,547 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:13,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:02:13,322 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-13 23:02:13,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:02:13,499 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] [2022-07-13 23:02:13,556 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:13,557 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:13,558 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:13,560 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:13,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:02:13,756 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:02:13,962 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] [2022-07-13 23:02:14,028 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:14,030 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:14,030 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:14,032 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-13 23:02:14,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:02:14,299 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:02:14,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:14 WrapperNode [2022-07-13 23:02:14,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:02:14,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:02:14,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:02:14,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:02:14,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:14" (1/1) ... [2022-07-13 23:02:14,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:14" (1/1) ... [2022-07-13 23:02:14,560 INFO L137 Inliner]: procedures = 367, calls = 6444, calls flagged for inlining = 156, calls inlined = 36, statements flattened = 4438 [2022-07-13 23:02:14,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:02:14,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:02:14,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:02:14,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:02:14,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:14" (1/1) ... [2022-07-13 23:02:14,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:14" (1/1) ... [2022-07-13 23:02:14,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:14" (1/1) ... [2022-07-13 23:02:14,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:14" (1/1) ... [2022-07-13 23:02:14,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:14" (1/1) ... [2022-07-13 23:02:14,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:14" (1/1) ... [2022-07-13 23:02:14,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:14" (1/1) ... [2022-07-13 23:02:14,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:02:14,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:02:14,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:02:14,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:02:14,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:02:14" (1/1) ... [2022-07-13 23:02:14,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:02:14,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:02:14,783 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) [2022-07-13 23:02:14,789 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 [2022-07-13 23:02:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-07-13 23:02:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-07-13 23:02:14,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-13 23:02:14,811 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-13 23:02:14,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 23:02:14,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:02:14,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:02:14,811 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-07-13 23:02:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-07-13 23:02:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-13 23:02:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-13 23:02:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:02:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:02:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-13 23:02:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-13 23:02:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2022-07-13 23:02:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2022-07-13 23:02:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-13 23:02:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-13 23:02:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:02:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:02:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2022-07-13 23:02:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2022-07-13 23:02:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-07-13 23:02:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-07-13 23:02:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-13 23:02:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-13 23:02:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:02:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:02:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-13 23:02:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-13 23:02:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-13 23:02:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-13 23:02:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-13 23:02:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:02:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 23:02:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:02:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-13 23:02:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-13 23:02:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmget [2022-07-13 23:02:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmget [2022-07-13 23:02:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-13 23:02:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 23:02:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_INT [2022-07-13 23:02:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_INT [2022-07-13 23:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 23:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-13 23:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-13 23:02:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-13 23:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-13 23:02:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-13 23:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-13 23:02:14,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-13 23:02:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure if_chars_in_buffer [2022-07-13 23:02:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure if_chars_in_buffer [2022-07-13 23:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure if_write_room [2022-07-13 23:02:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure if_write_room [2022-07-13 23:02:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-13 23:02:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-13 23:02:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure if_throttle [2022-07-13 23:02:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure if_throttle [2022-07-13 23:02:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-13 23:02:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-13 23:02:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-13 23:02:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-13 23:02:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2022-07-13 23:02:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2022-07-13 23:02:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-13 23:02:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-13 23:02:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-13 23:02:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-13 23:02:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-07-13 23:02:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-13 23:02:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-13 23:02:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-13 23:02:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-13 23:02:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-13 23:02:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-13 23:02:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:02:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-13 23:02:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-13 23:02:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:02:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:02:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-13 23:02:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-13 23:02:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-13 23:02:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-13 23:02:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-13 23:02:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-13 23:02:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmset [2022-07-13 23:02:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmset [2022-07-13 23:02:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-13 23:02:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-13 23:02:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure if_open [2022-07-13 23:02:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure if_open [2022-07-13 23:02:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-13 23:02:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-13 23:02:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure setflags [2022-07-13 23:02:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setflags [2022-07-13 23:02:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure if_unthrottle [2022-07-13 23:02:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure if_unthrottle [2022-07-13 23:02:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-13 23:02:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-13 23:02:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-13 23:02:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:02:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:02:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-13 23:02:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-13 23:02:15,287 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:02:15,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:02:19,580 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-13 23:02:19,580 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-13 23:02:20,147 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-07-13 23:02:20,147 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-07-13 23:02:20,147 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; [2022-07-13 23:02:20,147 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5012: SUMMARY for call #t~ret76#1.base, #t~ret76#1.offset := get_current(); srcloc: null [2022-07-13 23:02:20,149 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:02:20,149 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:02:20,150 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:02:20,472 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-07-13 23:02:20,472 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-07-13 23:02:20,472 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2022-07-13 23:02:20,472 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2022-07-13 23:02:20,472 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-07-13 23:02:20,472 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-07-13 23:02:20,846 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:02:20,848 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:02:20,850 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock.