./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 791161d1 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-?-791161d [2022-07-22 22:36:03,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:36:03,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:36:03,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:36:03,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:36:03,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:36:03,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:36:03,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:36:03,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:36:03,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:36:03,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:36:03,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:36:03,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:36:03,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:36:03,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:36:03,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:36:03,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:36:03,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:36:03,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:36:03,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:36:03,141 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:36:03,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:36:03,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:36:03,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:36:03,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:36:03,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:36:03,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:36:03,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:36:03,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:36:03,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:36:03,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:36:03,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:36:03,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:36:03,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:36:03,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:36:03,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:36:03,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:36:03,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:36:03,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:36:03,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:36:03,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:36:03,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:36:03,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:36:03,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:36:03,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:36:03,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:36:03,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:36:03,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:36:03,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:36:03,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:36:03,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:36:03,191 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:36:03,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:36:03,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:36:03,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:36:03,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:36:03,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:36:03,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:36:03,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:36:03,193 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:36:03,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:36:03,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:36:03,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:36:03,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:36:03,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:36:03,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:36:03,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:36:03,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:36:03,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:36:03,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:36:03,196 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:36:03,196 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:36:03,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:36:03,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6344be269056834d180d9b5e1136d4ee678a64c336fe877230b0ca721a1da138 [2022-07-22 22:36:03,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:36:03,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:36:03,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:36:03,400 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:36:03,400 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:36:03,401 INFO L432 ainManager$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 [2022-07-22 22:36:03,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/712551f48/7bb151a0088445589de634577961f129/FLAG4e62abd1e [2022-07-22 22:36:04,180 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:36:04,181 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 [2022-07-22 22:36:04,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/712551f48/7bb151a0088445589de634577961f129/FLAG4e62abd1e [2022-07-22 22:36:04,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/712551f48/7bb151a0088445589de634577961f129 [2022-07-22 22:36:04,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:36:04,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:36:04,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:36:04,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:36:04,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:36:04,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:36:04" (1/1) ... [2022-07-22 22:36:04,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d3af87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:04, skipping insertion in model container [2022-07-22 22:36:04,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:36:04" (1/1) ... [2022-07-22 22:36:04,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:36:04,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:36:06,287 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] [2022-07-22 22:36:06,819 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:36:06,830 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:36:06,831 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:36:06,839 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:36:07,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:36:07,960 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:36:08,197 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] [2022-07-22 22:36:08,268 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:36:08,270 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:36:08,271 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:36:08,273 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:36:08,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:36:08,699 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:36:08,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08 WrapperNode [2022-07-22 22:36:08,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:36:08,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:36:08,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:36:08,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:36:08,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08" (1/1) ... [2022-07-22 22:36:08,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08" (1/1) ... [2022-07-22 22:36:09,054 INFO L137 Inliner]: procedures = 352, calls = 6447, calls flagged for inlining = 152, calls inlined = 32, statements flattened = 4308 [2022-07-22 22:36:09,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:36:09,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:36:09,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:36:09,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:36:09,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08" (1/1) ... [2022-07-22 22:36:09,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08" (1/1) ... [2022-07-22 22:36:09,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08" (1/1) ... [2022-07-22 22:36:09,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08" (1/1) ... [2022-07-22 22:36:09,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08" (1/1) ... [2022-07-22 22:36:09,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08" (1/1) ... [2022-07-22 22:36:09,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08" (1/1) ... [2022-07-22 22:36:09,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:36:09,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:36:09,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:36:09,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:36:09,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08" (1/1) ... [2022-07-22 22:36:09,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:36:09,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:36:09,320 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) [2022-07-22 22:36:09,347 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 [2022-07-22 22:36:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-07-22 22:36:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-07-22 22:36:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-22 22:36:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-22 22:36:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-22 22:36:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 22:36:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 22:36:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-07-22 22:36:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-07-22 22:36:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-22 22:36:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-22 22:36:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 22:36:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 22:36:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-22 22:36:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-22 22:36:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2022-07-22 22:36:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2022-07-22 22:36:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-22 22:36:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-22 22:36:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 22:36:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 22:36:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-07-22 22:36:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-07-22 22:36:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 22:36:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 22:36:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_enterconfigmode [2022-07-22 22:36:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_enterconfigmode [2022-07-22 22:36:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:36:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:36:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-22 22:36:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-22 22:36:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure if_ioctl [2022-07-22 22:36:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure if_ioctl [2022-07-22 22:36:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-22 22:36:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-22 22:36:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:36:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:36:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-22 22:36:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-22 22:36:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmget [2022-07-22 22:36:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmget [2022-07-22 22:36:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-22 22:36:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-22 22:36:09,367 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-22 22:36:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-22 22:36:09,367 INFO L130 BoogieDeclarations]: Found specification of procedure if_config [2022-07-22 22:36:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure if_config [2022-07-22 22:36:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-22 22:36:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-22 22:36:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure if_chars_in_buffer [2022-07-22 22:36:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure if_chars_in_buffer [2022-07-22 22:36:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure if_write_room [2022-07-22 22:36:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure if_write_room [2022-07-22 22:36:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure if_lock [2022-07-22 22:36:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure if_lock [2022-07-22 22:36:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-22 22:36:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-22 22:36:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure if_throttle [2022-07-22 22:36:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure if_throttle [2022-07-22 22:36:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-22 22:36:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-22 22:36:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-22 22:36:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-22 22:36:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-22 22:36:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2022-07-22 22:36:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2022-07-22 22:36:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-22 22:36:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-22 22:36:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-22 22:36:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 22:36:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 22:36:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 22:36:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 22:36:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-07-22 22:36:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:36:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-22 22:36:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-22 22:36:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:36:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:36:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 22:36:09,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-22 22:36:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-22 22:36:09,375 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-22 22:36:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-22 22:36:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmset [2022-07-22 22:36:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmset [2022-07-22 22:36:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-22 22:36:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-22 22:36:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure if_open [2022-07-22 22:36:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure if_open [2022-07-22 22:36:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-22 22:36:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-22 22:36:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure setflags [2022-07-22 22:36:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure setflags [2022-07-22 22:36:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-22 22:36:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-22 22:36:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure if_unthrottle [2022-07-22 22:36:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure if_unthrottle [2022-07-22 22:36:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 22:36:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-22 22:36:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-22 22:36:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:36:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:36:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-22 22:36:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-22 22:36:09,852 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:36:09,856 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:36:10,242 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-22 22:36:10,242 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-22 22:36:10,263 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:10,266 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:10,458 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; [2022-07-22 22:36:10,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2022-07-22 22:36:10,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume !false; [2022-07-22 22:36:10,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume false; [2022-07-22 22:36:10,459 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2022-07-22 22:36:10,459 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2022-07-22 22:36:10,459 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2022-07-22 22:36:10,459 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2022-07-22 22:36:10,459 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-22 22:36:10,459 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-22 22:36:10,459 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-07-22 22:36:10,460 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-07-22 22:36:10,642 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-07-22 22:36:10,642 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-07-22 22:36:10,642 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; [2022-07-22 22:36:10,642 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5012: SUMMARY for call #t~ret76#1.base, #t~ret76#1.offset := get_current(); srcloc: null [2022-07-22 22:36:10,644 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:10,644 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:10,645 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:10,752 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-07-22 22:36:10,753 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-07-22 22:36:10,753 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2022-07-22 22:36:10,753 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2022-07-22 22:36:10,753 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-07-22 22:36:10,753 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-07-22 22:36:10,966 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:37:01,006 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2022-07-22 22:37:01,007 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2022-07-22 22:37:01,036 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 22:37:01,053 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 22:37:01,053 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-22 22:37:01,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:37:01 BoogieIcfgContainer [2022-07-22 22:37:01,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 22:37:01,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 22:37:01,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 22:37:01,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 22:37:01,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:36:04" (1/3) ... [2022-07-22 22:37:01,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d90486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:37:01, skipping insertion in model container [2022-07-22 22:37:01,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:08" (2/3) ... [2022-07-22 22:37:01,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d90486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:37:01, skipping insertion in model container [2022-07-22 22:37:01,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:37:01" (3/3) ... [2022-07-22 22:37:01,068 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-isdn-gigaset-gigaset.ko.cil.out.i [2022-07-22 22:37:01,082 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 22:37:01,083 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 22:37:01,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 22:37:01,169 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@246fdfbf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5de076a7 [2022-07-22 22:37:01,169 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 22:37:01,178 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) [2022-07-22 22:37:01,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-22 22:37:01,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:01,190 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:37:01,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:01,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:01,197 INFO L85 PathProgramCache]: Analyzing trace with hash 554602658, now seen corresponding path program 1 times [2022-07-22 22:37:01,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:37:01,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349690341] [2022-07-22 22:37:01,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:01,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:37:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:37:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:02,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:37:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:37:02,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:37:02,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349690341] [2022-07-22 22:37:02,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349690341] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:02,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:02,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 22:37:02,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255481674] [2022-07-22 22:37:02,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:02,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 22:37:02,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:37:02,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 22:37:02,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:37:02,170 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) [2022-07-22 22:37:03,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:05,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:05,074 INFO L93 Difference]: Finished difference Result 2247 states and 3378 transitions. [2022-07-22 22:37:05,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 22:37:05,077 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 [2022-07-22 22:37:05,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:05,109 INFO L225 Difference]: With dead ends: 2247 [2022-07-22 22:37:05,109 INFO L226 Difference]: Without dead ends: 1555 [2022-07-22 22:37:05,119 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 [2022-07-22 22:37:05,122 INFO L413 NwaCegarLoop]: 1076 mSDtfsCounter, 1687 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 2174 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:05,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 2174 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-22 22:37:05,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2022-07-22 22:37:05,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1446. [2022-07-22 22:37:05,248 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) [2022-07-22 22:37:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 2071 transitions. [2022-07-22 22:37:05,294 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 2071 transitions. Word has length 22 [2022-07-22 22:37:05,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:05,294 INFO L495 AbstractCegarLoop]: Abstraction has 1446 states and 2071 transitions. [2022-07-22 22:37:05,294 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) [2022-07-22 22:37:05,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2071 transitions. [2022-07-22 22:37:05,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-07-22 22:37:05,304 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:05,304 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] [2022-07-22 22:37:05,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 22:37:05,305 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:05,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:05,307 INFO L85 PathProgramCache]: Analyzing trace with hash -515685247, now seen corresponding path program 1 times [2022-07-22 22:37:05,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:37:05,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761782102] [2022-07-22 22:37:05,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:05,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:37:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:37:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:05,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:37:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 22:37:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:05,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 22:37:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:37:05,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:37:05,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761782102] [2022-07-22 22:37:05,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761782102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:05,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:05,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 22:37:05,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745527006] [2022-07-22 22:37:05,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:05,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 22:37:05,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:37:05,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 22:37:05,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 22:37:05,912 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) [2022-07-22 22:37:07,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:08,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:08,635 INFO L93 Difference]: Finished difference Result 3398 states and 4975 transitions. [2022-07-22 22:37:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 22:37:08,636 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 [2022-07-22 22:37:08,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:08,649 INFO L225 Difference]: With dead ends: 3398 [2022-07-22 22:37:08,650 INFO L226 Difference]: Without dead ends: 1957 [2022-07-22 22:37:08,664 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 [2022-07-22 22:37:08,667 INFO L413 NwaCegarLoop]: 991 mSDtfsCounter, 877 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 2817 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:08,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 2817 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-22 22:37:08,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1957 states. [2022-07-22 22:37:08,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1957 to 1833. [2022-07-22 22:37:08,760 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) [2022-07-22 22:37:08,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2702 transitions. [2022-07-22 22:37:08,775 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2702 transitions. Word has length 42 [2022-07-22 22:37:08,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:08,776 INFO L495 AbstractCegarLoop]: Abstraction has 1833 states and 2702 transitions. [2022-07-22 22:37:08,776 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) [2022-07-22 22:37:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2702 transitions. [2022-07-22 22:37:08,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-22 22:37:08,785 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:08,785 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] [2022-07-22 22:37:08,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 22:37:08,786 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:08,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:08,786 INFO L85 PathProgramCache]: Analyzing trace with hash 350386510, now seen corresponding path program 1 times [2022-07-22 22:37:08,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:37:08,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646126576] [2022-07-22 22:37:08,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:08,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:37:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:09,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:37:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:37:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 22:37:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:09,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 22:37:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:09,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:37:09,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:37:09,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646126576] [2022-07-22 22:37:09,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646126576] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:09,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:09,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 22:37:09,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067934399] [2022-07-22 22:37:09,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:09,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 22:37:09,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:37:09,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 22:37:09,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-22 22:37:09,325 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) [2022-07-22 22:37:13,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:13,110 INFO L93 Difference]: Finished difference Result 3855 states and 5841 transitions. [2022-07-22 22:37:13,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 22:37:13,111 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 [2022-07-22 22:37:13,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:13,124 INFO L225 Difference]: With dead ends: 3855 [2022-07-22 22:37:13,125 INFO L226 Difference]: Without dead ends: 2029 [2022-07-22 22:37:13,135 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 [2022-07-22 22:37:13,138 INFO L413 NwaCegarLoop]: 916 mSDtfsCounter, 1065 mSDsluCounter, 2880 mSDsCounter, 0 mSdLazyCounter, 2248 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 3796 SdHoareTripleChecker+Invalid, 2650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 2248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:13,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 3796 Invalid, 2650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 2248 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-22 22:37:13,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2022-07-22 22:37:13,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 1815. [2022-07-22 22:37:13,263 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) [2022-07-22 22:37:13,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2675 transitions. [2022-07-22 22:37:13,275 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2675 transitions. Word has length 47 [2022-07-22 22:37:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:13,276 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 2675 transitions. [2022-07-22 22:37:13,276 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) [2022-07-22 22:37:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2675 transitions. [2022-07-22 22:37:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-22 22:37:13,279 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:13,279 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] [2022-07-22 22:37:13,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 22:37:13,280 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:13,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:13,281 INFO L85 PathProgramCache]: Analyzing trace with hash 733442756, now seen corresponding path program 1 times [2022-07-22 22:37:13,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:37:13,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957386010] [2022-07-22 22:37:13,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:13,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:37:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:37:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:37:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:13,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 22:37:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:37:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:37:13,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:37:13,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957386010] [2022-07-22 22:37:13,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957386010] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:13,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:13,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 22:37:13,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786922976] [2022-07-22 22:37:13,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:13,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 22:37:13,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:37:13,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 22:37:13,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-22 22:37:13,792 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) [2022-07-22 22:37:18,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:18,119 INFO L93 Difference]: Finished difference Result 3113 states and 4760 transitions. [2022-07-22 22:37:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 22:37:18,120 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 [2022-07-22 22:37:18,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:18,135 INFO L225 Difference]: With dead ends: 3113 [2022-07-22 22:37:18,135 INFO L226 Difference]: Without dead ends: 2151 [2022-07-22 22:37:18,141 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 [2022-07-22 22:37:18,146 INFO L413 NwaCegarLoop]: 864 mSDtfsCounter, 1585 mSDsluCounter, 2821 mSDsCounter, 0 mSdLazyCounter, 2874 mSolverCounterSat, 648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 3685 SdHoareTripleChecker+Invalid, 3522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 2874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:18,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 3685 Invalid, 3522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 2874 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-22 22:37:18,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2022-07-22 22:37:18,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 1815. [2022-07-22 22:37:18,219 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) [2022-07-22 22:37:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2674 transitions. [2022-07-22 22:37:18,233 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2674 transitions. Word has length 46 [2022-07-22 22:37:18,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:18,234 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 2674 transitions. [2022-07-22 22:37:18,235 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) [2022-07-22 22:37:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2674 transitions. [2022-07-22 22:37:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-22 22:37:18,238 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:18,239 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] [2022-07-22 22:37:18,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 22:37:18,240 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:18,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:18,240 INFO L85 PathProgramCache]: Analyzing trace with hash -686085452, now seen corresponding path program 1 times [2022-07-22 22:37:18,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:37:18,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557936626] [2022-07-22 22:37:18,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:18,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:37:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:37:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:37:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 22:37:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-22 22:37:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:37:18,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:37:18,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557936626] [2022-07-22 22:37:18,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557936626] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:18,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:18,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 22:37:18,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865301710] [2022-07-22 22:37:18,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:18,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 22:37:18,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:37:18,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 22:37:18,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 22:37:18,704 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) [2022-07-22 22:37:26,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:26,384 INFO L93 Difference]: Finished difference Result 3181 states and 4862 transitions. [2022-07-22 22:37:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 22:37:26,385 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 [2022-07-22 22:37:26,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:26,408 INFO L225 Difference]: With dead ends: 3181 [2022-07-22 22:37:26,409 INFO L226 Difference]: Without dead ends: 3178 [2022-07-22 22:37:26,412 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 [2022-07-22 22:37:26,412 INFO L413 NwaCegarLoop]: 2083 mSDtfsCounter, 4016 mSDsluCounter, 4090 mSDsCounter, 0 mSdLazyCounter, 4496 mSolverCounterSat, 1660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4098 SdHoareTripleChecker+Valid, 6173 SdHoareTripleChecker+Invalid, 6156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1660 IncrementalHoareTripleChecker+Valid, 4496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:26,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4098 Valid, 6173 Invalid, 6156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1660 Valid, 4496 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-22 22:37:26,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2022-07-22 22:37:26,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 2774. [2022-07-22 22:37:26,526 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) [2022-07-22 22:37:26,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 4154 transitions. [2022-07-22 22:37:26,538 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 4154 transitions. Word has length 49 [2022-07-22 22:37:26,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:26,538 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 4154 transitions. [2022-07-22 22:37:26,539 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) [2022-07-22 22:37:26,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 4154 transitions. [2022-07-22 22:37:26,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-22 22:37:26,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:26,544 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] [2022-07-22 22:37:26,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 22:37:26,545 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:26,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:26,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1452746292, now seen corresponding path program 1 times [2022-07-22 22:37:26,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:37:26,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571489582] [2022-07-22 22:37:26,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:26,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:37:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:37:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:26,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:37:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 22:37:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 22:37:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:27,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 22:37:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:37:27,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:37:27,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571489582] [2022-07-22 22:37:27,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571489582] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:27,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:27,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 22:37:27,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801562425] [2022-07-22 22:37:27,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:27,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 22:37:27,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:37:27,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 22:37:27,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 22:37:27,015 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) [2022-07-22 22:37:28,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:31,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:31,023 INFO L93 Difference]: Finished difference Result 5829 states and 8817 transitions. [2022-07-22 22:37:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 22:37:31,024 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 [2022-07-22 22:37:31,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:31,042 INFO L225 Difference]: With dead ends: 5829 [2022-07-22 22:37:31,042 INFO L226 Difference]: Without dead ends: 3059 [2022-07-22 22:37:31,053 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 [2022-07-22 22:37:31,054 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 906 mSDsluCounter, 2301 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:31,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 3186 Invalid, 2406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 2064 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-22 22:37:31,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3059 states. [2022-07-22 22:37:31,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3059 to 2555. [2022-07-22 22:37:31,145 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) [2022-07-22 22:37:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3788 transitions. [2022-07-22 22:37:31,155 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3788 transitions. Word has length 59 [2022-07-22 22:37:31,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:31,156 INFO L495 AbstractCegarLoop]: Abstraction has 2555 states and 3788 transitions. [2022-07-22 22:37:31,157 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) [2022-07-22 22:37:31,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3788 transitions. [2022-07-22 22:37:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-22 22:37:31,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:31,159 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] [2022-07-22 22:37:31,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 22:37:31,159 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:31,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:31,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1957736655, now seen corresponding path program 1 times [2022-07-22 22:37:31,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:37:31,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116583360] [2022-07-22 22:37:31,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:31,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:37:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:37:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:31,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:37:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:31,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 22:37:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:31,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:37:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:31,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 22:37:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:31,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 22:37:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:31,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:37:31,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:37:31,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116583360] [2022-07-22 22:37:31,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116583360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:31,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:31,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 22:37:31,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441127711] [2022-07-22 22:37:31,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:31,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 22:37:31,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:37:31,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 22:37:31,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 22:37:31,669 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) [2022-07-22 22:37:36,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:36,236 INFO L93 Difference]: Finished difference Result 5706 states and 8935 transitions. [2022-07-22 22:37:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 22:37:36,237 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 [2022-07-22 22:37:36,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:36,258 INFO L225 Difference]: With dead ends: 5706 [2022-07-22 22:37:36,258 INFO L226 Difference]: Without dead ends: 3158 [2022-07-22 22:37:36,274 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 [2022-07-22 22:37:36,275 INFO L413 NwaCegarLoop]: 859 mSDtfsCounter, 1115 mSDsluCounter, 1893 mSDsCounter, 0 mSdLazyCounter, 1857 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 2752 SdHoareTripleChecker+Invalid, 2310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 1857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:36,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 2752 Invalid, 2310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 1857 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-22 22:37:36,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2022-07-22 22:37:36,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 2561. [2022-07-22 22:37:36,395 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) [2022-07-22 22:37:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3794 transitions. [2022-07-22 22:37:36,406 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3794 transitions. Word has length 58 [2022-07-22 22:37:36,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:36,406 INFO L495 AbstractCegarLoop]: Abstraction has 2561 states and 3794 transitions. [2022-07-22 22:37:36,407 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) [2022-07-22 22:37:36,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3794 transitions. [2022-07-22 22:37:36,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-22 22:37:36,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:36,410 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] [2022-07-22 22:37:36,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 22:37:36,410 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:36,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:36,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1392254320, now seen corresponding path program 1 times [2022-07-22 22:37:36,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:37:36,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480088018] [2022-07-22 22:37:36,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:36,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:37:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:37:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:37:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 22:37:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:37,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 22:37:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:37,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 22:37:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 22:37:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 22:37:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 22:37:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:37,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 22:37:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:37,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:37:37,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:37:37,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480088018] [2022-07-22 22:37:37,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480088018] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:37,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:37,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 22:37:37,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695074150] [2022-07-22 22:37:37,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:37,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 22:37:37,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:37:37,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 22:37:37,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-22 22:37:37,074 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) [2022-07-22 22:37:38,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:42,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:42,266 INFO L93 Difference]: Finished difference Result 5757 states and 9010 transitions. [2022-07-22 22:37:42,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 22:37:42,267 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 [2022-07-22 22:37:42,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:42,287 INFO L225 Difference]: With dead ends: 5757 [2022-07-22 22:37:42,287 INFO L226 Difference]: Without dead ends: 3203 [2022-07-22 22:37:42,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2022-07-22 22:37:42,303 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 1159 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 3006 mSolverCounterSat, 464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 3771 SdHoareTripleChecker+Invalid, 3470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 464 IncrementalHoareTripleChecker+Valid, 3006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:42,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 3771 Invalid, 3470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [464 Valid, 3006 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-22 22:37:42,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2022-07-22 22:37:42,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 2600. [2022-07-22 22:37:42,423 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) [2022-07-22 22:37:42,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2600 states and 3854 transitions. [2022-07-22 22:37:42,432 INFO L78 Accepts]: Start accepts. Automaton has 2600 states and 3854 transitions. Word has length 77 [2022-07-22 22:37:42,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:42,433 INFO L495 AbstractCegarLoop]: Abstraction has 2600 states and 3854 transitions. [2022-07-22 22:37:42,433 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) [2022-07-22 22:37:42,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3854 transitions. [2022-07-22 22:37:42,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-22 22:37:42,436 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:42,436 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] [2022-07-22 22:37:42,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 22:37:42,437 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:42,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:42,437 INFO L85 PathProgramCache]: Analyzing trace with hash 102465375, now seen corresponding path program 1 times [2022-07-22 22:37:42,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:37:42,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667182712] [2022-07-22 22:37:42,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:42,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:37:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:45,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:37:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:45,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:37:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 22:37:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:45,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 22:37:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 22:37:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:45,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 22:37:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 22:37:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:45,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 22:37:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:45,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 22:37:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:45,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 22:37:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:45,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 22:37:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:46,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:37:46,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:37:46,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667182712] [2022-07-22 22:37:46,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667182712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:46,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:46,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 22:37:46,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63299445] [2022-07-22 22:37:46,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:46,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 22:37:46,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:37:46,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 22:37:46,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-07-22 22:37:46,035 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) [2022-07-22 22:37:47,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:49,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:55,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:55,161 INFO L93 Difference]: Finished difference Result 5160 states and 8040 transitions. [2022-07-22 22:37:55,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-22 22:37:55,162 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 [2022-07-22 22:37:55,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:55,183 INFO L225 Difference]: With dead ends: 5160 [2022-07-22 22:37:55,184 INFO L226 Difference]: Without dead ends: 3204 [2022-07-22 22:37:55,196 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 [2022-07-22 22:37:55,197 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 1594 mSDsluCounter, 4368 mSDsCounter, 0 mSdLazyCounter, 4652 mSolverCounterSat, 642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 5294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 4652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:55,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 5242 Invalid, 5294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [642 Valid, 4652 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-07-22 22:37:55,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2022-07-22 22:37:55,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 2598. [2022-07-22 22:37:55,320 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) [2022-07-22 22:37:55,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2598 states and 3850 transitions. [2022-07-22 22:37:55,330 INFO L78 Accepts]: Start accepts. Automaton has 2598 states and 3850 transitions. Word has length 93 [2022-07-22 22:37:55,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:55,331 INFO L495 AbstractCegarLoop]: Abstraction has 2598 states and 3850 transitions. [2022-07-22 22:37:55,331 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) [2022-07-22 22:37:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 3850 transitions. [2022-07-22 22:37:55,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-22 22:37:55,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:55,338 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] [2022-07-22 22:37:55,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 22:37:55,339 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:55,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:55,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1663302023, now seen corresponding path program 1 times [2022-07-22 22:37:55,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:37:55,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372781328] [2022-07-22 22:37:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:55,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:37:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:37:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:37:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 22:37:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 22:37:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 22:37:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 22:37:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 22:37:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 22:37:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 22:37:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 22:37:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 22:37:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:37:55,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:37:55,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372781328] [2022-07-22 22:37:55,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372781328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:55,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:55,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 22:37:55,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031215918] [2022-07-22 22:37:55,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:55,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 22:37:55,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:37:55,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 22:37:55,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-22 22:37:55,917 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) [2022-07-22 22:38:00,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:38:00,380 INFO L93 Difference]: Finished difference Result 3393 states and 5265 transitions. [2022-07-22 22:38:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-22 22:38:00,380 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 [2022-07-22 22:38:00,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:38:00,403 INFO L225 Difference]: With dead ends: 3393 [2022-07-22 22:38:00,403 INFO L226 Difference]: Without dead ends: 3388 [2022-07-22 22:38:00,406 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 [2022-07-22 22:38:00,407 INFO L413 NwaCegarLoop]: 1011 mSDtfsCounter, 1769 mSDsluCounter, 3448 mSDsCounter, 0 mSdLazyCounter, 2892 mSolverCounterSat, 668 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 4459 SdHoareTripleChecker+Invalid, 3560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 668 IncrementalHoareTripleChecker+Valid, 2892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-22 22:38:00,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 4459 Invalid, 3560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [668 Valid, 2892 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-22 22:38:00,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2022-07-22 22:38:00,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 2601. [2022-07-22 22:38:00,533 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) [2022-07-22 22:38:00,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2601 states and 3852 transitions. [2022-07-22 22:38:00,544 INFO L78 Accepts]: Start accepts. Automaton has 2601 states and 3852 transitions. Word has length 93 [2022-07-22 22:38:00,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:38:00,544 INFO L495 AbstractCegarLoop]: Abstraction has 2601 states and 3852 transitions. [2022-07-22 22:38:00,545 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) [2022-07-22 22:38:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 3852 transitions. [2022-07-22 22:38:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-22 22:38:00,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:38:00,548 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] [2022-07-22 22:38:00,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 22:38:00,549 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:38:00,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:38:00,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1902771639, now seen corresponding path program 1 times [2022-07-22 22:38:00,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:38:00,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127666102] [2022-07-22 22:38:00,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:38:00,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:38:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:00,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:38:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:00,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:38:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 22:38:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 22:38:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 22:38:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:01,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 22:38:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:01,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 22:38:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 22:38:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:01,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 22:38:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:01,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 22:38:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:01,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 22:38:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:01,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:38:01,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:38:01,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127666102] [2022-07-22 22:38:01,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127666102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:38:01,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:38:01,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 22:38:01,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10837211] [2022-07-22 22:38:01,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:38:01,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 22:38:01,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:38:01,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 22:38:01,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-22 22:38:01,141 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) [2022-07-22 22:38:02,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:38:03,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:38:11,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:38:11,808 INFO L93 Difference]: Finished difference Result 6236 states and 9888 transitions. [2022-07-22 22:38:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-22 22:38:11,809 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 [2022-07-22 22:38:11,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:38:11,842 INFO L225 Difference]: With dead ends: 6236 [2022-07-22 22:38:11,842 INFO L226 Difference]: Without dead ends: 5241 [2022-07-22 22:38:11,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2022-07-22 22:38:11,851 INFO L413 NwaCegarLoop]: 906 mSDtfsCounter, 4052 mSDsluCounter, 3130 mSDsCounter, 0 mSdLazyCounter, 5571 mSolverCounterSat, 1960 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4124 SdHoareTripleChecker+Valid, 4036 SdHoareTripleChecker+Invalid, 7531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1960 IncrementalHoareTripleChecker+Valid, 5571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:38:11,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4124 Valid, 4036 Invalid, 7531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1960 Valid, 5571 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-07-22 22:38:11,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5241 states. [2022-07-22 22:38:12,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5241 to 4330. [2022-07-22 22:38:12,052 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) [2022-07-22 22:38:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4330 states to 4330 states and 6719 transitions. [2022-07-22 22:38:12,069 INFO L78 Accepts]: Start accepts. Automaton has 4330 states and 6719 transitions. Word has length 95 [2022-07-22 22:38:12,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:38:12,070 INFO L495 AbstractCegarLoop]: Abstraction has 4330 states and 6719 transitions. [2022-07-22 22:38:12,070 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) [2022-07-22 22:38:12,070 INFO L276 IsEmpty]: Start isEmpty. Operand 4330 states and 6719 transitions. [2022-07-22 22:38:12,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-22 22:38:12,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:38:12,073 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] [2022-07-22 22:38:12,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 22:38:12,074 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:38:12,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:38:12,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1336599760, now seen corresponding path program 1 times [2022-07-22 22:38:12,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:38:12,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087740464] [2022-07-22 22:38:12,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:38:12,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:38:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:38:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 22:38:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 22:38:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 22:38:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 22:38:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 22:38:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 22:38:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 22:38:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 22:38:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 22:38:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 22:38:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:38:12,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:38:12,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087740464] [2022-07-22 22:38:12,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087740464] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:38:12,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348193865] [2022-07-22 22:38:12,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:38:12,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:38:12,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:38:12,503 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) [2022-07-22 22:38:12,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 22:38:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:38:13,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 8298 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 22:38:13,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:38:13,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 22:38:13,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:38:13,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348193865] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:38:13,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 22:38:13,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2022-07-22 22:38:13,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297493856] [2022-07-22 22:38:13,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:38:13,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 22:38:13,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:38:13,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 22:38:13,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-22 22:38:13,954 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) [2022-07-22 22:38:14,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:38:14,176 INFO L93 Difference]: Finished difference Result 8016 states and 12456 transitions. [2022-07-22 22:38:14,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 22:38:14,177 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 [2022-07-22 22:38:14,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:38:14,201 INFO L225 Difference]: With dead ends: 8016 [2022-07-22 22:38:14,201 INFO L226 Difference]: Without dead ends: 4330 [2022-07-22 22:38:14,219 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 [2022-07-22 22:38:14,220 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:38:14,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 2823 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 22:38:14,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4330 states. [2022-07-22 22:38:14,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4330 to 4330. [2022-07-22 22:38:14,401 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) [2022-07-22 22:38:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4330 states to 4330 states and 6709 transitions. [2022-07-22 22:38:14,419 INFO L78 Accepts]: Start accepts. Automaton has 4330 states and 6709 transitions. Word has length 96 [2022-07-22 22:38:14,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:38:14,420 INFO L495 AbstractCegarLoop]: Abstraction has 4330 states and 6709 transitions. [2022-07-22 22:38:14,420 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) [2022-07-22 22:38:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 4330 states and 6709 transitions. [2022-07-22 22:38:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-22 22:38:14,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:38:14,424 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] [2022-07-22 22:38:14,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 22:38:14,635 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 [2022-07-22 22:38:14,636 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:38:14,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:38:14,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1356963481, now seen corresponding path program 1 times [2022-07-22 22:38:14,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:38:14,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501181960] [2022-07-22 22:38:14,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:38:14,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:38:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 22:38:17,084 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 22:38:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 22:38:20,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 22:38:20,083 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 22:38:20,084 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 22:38:20,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 22:38:20,089 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:38:20,092 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 22:38:20,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:38:20 BoogieIcfgContainer [2022-07-22 22:38:20,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 22:38:20,249 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 22:38:20,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 22:38:20,249 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 22:38:20,250 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:37:01" (3/4) ... [2022-07-22 22:38:20,252 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 22:38:20,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 22:38:20,253 INFO L158 Benchmark]: Toolchain (without parser) took 135525.36ms. Allocated memory was 102.8MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 69.4MB in the beginning and 1.1GB in the end (delta: -990.4MB). Peak memory consumption was 145.6MB. Max. memory is 16.1GB. [2022-07-22 22:38:20,253 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:38:20,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3968.55ms. Allocated memory was 102.8MB in the beginning and 358.6MB in the end (delta: 255.9MB). Free memory was 69.4MB in the beginning and 250.3MB in the end (delta: -181.0MB). Peak memory consumption was 133.0MB. Max. memory is 16.1GB. [2022-07-22 22:38:20,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 354.58ms. Allocated memory is still 358.6MB. Free memory was 250.3MB in the beginning and 217.8MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-07-22 22:38:20,254 INFO L158 Benchmark]: Boogie Preprocessor took 234.41ms. Allocated memory is still 358.6MB. Free memory was 217.8MB in the beginning and 193.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-22 22:38:20,255 INFO L158 Benchmark]: RCFGBuilder took 51766.64ms. Allocated memory was 358.6MB in the beginning and 1.0GB in the end (delta: 673.2MB). Free memory was 193.7MB in the beginning and 591.1MB in the end (delta: -397.4MB). Peak memory consumption was 583.1MB. Max. memory is 16.1GB. [2022-07-22 22:38:20,255 INFO L158 Benchmark]: TraceAbstraction took 79187.39ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 207.6MB). Free memory was 590.0MB in the beginning and 1.1GB in the end (delta: -469.8MB). Peak memory consumption was 425.7MB. Max. memory is 16.1GB. [2022-07-22 22:38:20,255 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 1.2GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:38:20,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3968.55ms. Allocated memory was 102.8MB in the beginning and 358.6MB in the end (delta: 255.9MB). Free memory was 69.4MB in the beginning and 250.3MB in the end (delta: -181.0MB). Peak memory consumption was 133.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 354.58ms. Allocated memory is still 358.6MB. Free memory was 250.3MB in the beginning and 217.8MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 234.41ms. Allocated memory is still 358.6MB. Free memory was 217.8MB in the beginning and 193.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 51766.64ms. Allocated memory was 358.6MB in the beginning and 1.0GB in the end (delta: 673.2MB). Free memory was 193.7MB in the beginning and 591.1MB in the end (delta: -397.4MB). Peak memory consumption was 583.1MB. Max. memory is 16.1GB. * TraceAbstraction took 79187.39ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 207.6MB). Free memory was 590.0MB in the beginning and 1.1GB in the end (delta: -469.8MB). Peak memory consumption was 425.7MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 1.2GB. Free memory is still 1.1GB. 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: 79.0s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 60.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20745 SdHoareTripleChecker+Valid, 56.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20074 mSDsluCounter, 44914 SdHoareTripleChecker+Invalid, 51.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32499 mSDsCounter, 7870 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31490 IncrementalHoareTripleChecker+Invalid, 39360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7870 mSolverCounterUnsat, 12415 mSDtfsCounter, 31490 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 431 GetRequests, 284 SyntacticMatches, 1 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1.3s 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: 1.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 5195 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 8.0s SatisfiabilityAnalysisTime, 4.1s 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 [2022-07-22 22:38:20,315 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-?-791161d [2022-07-22 22:38:22,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:38:22,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:38:22,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:38:22,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:38:22,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:38:22,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:38:22,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:38:22,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:38:22,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:38:22,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:38:22,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:38:22,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:38:22,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:38:22,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:38:22,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:38:22,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:38:22,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:38:22,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:38:22,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:38:22,470 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:38:22,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:38:22,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:38:22,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:38:22,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:38:22,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:38:22,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:38:22,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:38:22,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:38:22,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:38:22,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:38:22,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:38:22,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:38:22,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:38:22,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:38:22,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:38:22,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:38:22,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:38:22,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:38:22,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:38:22,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:38:22,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:38:22,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 22:38:22,530 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:38:22,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:38:22,531 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:38:22,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:38:22,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:38:22,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:38:22,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:38:22,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:38:22,533 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:38:22,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:38:22,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:38:22,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:38:22,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:38:22,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:38:22,545 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 22:38:22,545 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 22:38:22,546 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 22:38:22,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:38:22,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:38:22,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:38:22,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:38:22,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:38:22,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:38:22,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:38:22,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:38:22,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:38:22,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:38:22,548 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 22:38:22,548 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 22:38:22,548 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:38:22,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:38:22,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:38:22,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 22:38:22,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6344be269056834d180d9b5e1136d4ee678a64c336fe877230b0ca721a1da138 [2022-07-22 22:38:22,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:38:22,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:38:22,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:38:22,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:38:22,866 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:38:22,867 INFO L432 ainManager$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 [2022-07-22 22:38:22,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa7915ed/376a4c5cc8e846ecaf667c11c062a1f9/FLAG45630f7db [2022-07-22 22:38:23,890 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:38:23,891 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 [2022-07-22 22:38:23,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa7915ed/376a4c5cc8e846ecaf667c11c062a1f9/FLAG45630f7db [2022-07-22 22:38:24,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa7915ed/376a4c5cc8e846ecaf667c11c062a1f9 [2022-07-22 22:38:24,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:38:24,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:38:24,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:38:24,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:38:24,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:38:24,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:38:24" (1/1) ... [2022-07-22 22:38:24,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629af94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:24, skipping insertion in model container [2022-07-22 22:38:24,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:38:24" (1/1) ... [2022-07-22 22:38:24,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:38:24,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:38:26,126 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] [2022-07-22 22:38:26,702 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:26,705 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:26,705 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:26,709 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:27,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:38:28,065 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 22:38:28,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:38:28,285 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] [2022-07-22 22:38:28,335 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:28,337 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:28,337 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:28,339 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:28,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:38:28,646 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:38:28,846 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] [2022-07-22 22:38:28,929 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:28,931 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:28,932 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:28,935 WARN L1550 CHandler]: Possible shadowing of function abort [2022-07-22 22:38:29,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:38:29,314 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:38:29,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:29 WrapperNode [2022-07-22 22:38:29,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:38:29,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:38:29,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:38:29,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:38:29,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:29" (1/1) ... [2022-07-22 22:38:29,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:29" (1/1) ... [2022-07-22 22:38:29,611 INFO L137 Inliner]: procedures = 367, calls = 6444, calls flagged for inlining = 156, calls inlined = 36, statements flattened = 4438 [2022-07-22 22:38:29,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:38:29,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:38:29,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:38:29,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:38:29,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:29" (1/1) ... [2022-07-22 22:38:29,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:29" (1/1) ... [2022-07-22 22:38:29,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:29" (1/1) ... [2022-07-22 22:38:29,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:29" (1/1) ... [2022-07-22 22:38:29,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:29" (1/1) ... [2022-07-22 22:38:29,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:29" (1/1) ... [2022-07-22 22:38:29,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:29" (1/1) ... [2022-07-22 22:38:29,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:38:29,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:38:29,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:38:29,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:38:29,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:38:29" (1/1) ... [2022-07-22 22:38:29,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:38:29,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:38:29,821 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) [2022-07-22 22:38:29,830 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 [2022-07-22 22:38:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-07-22 22:38:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-07-22 22:38:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 22:38:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-22 22:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 22:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 22:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 22:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-07-22 22:38:29,865 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-07-22 22:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-22 22:38:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-22 22:38:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 22:38:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 22:38:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-22 22:38:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-22 22:38:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2022-07-22 22:38:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2022-07-22 22:38:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-22 22:38:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-22 22:38:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 22:38:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 22:38:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2022-07-22 22:38:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2022-07-22 22:38:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-07-22 22:38:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-07-22 22:38:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 22:38:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 22:38:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:38:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:38:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-22 22:38:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-22 22:38:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 22:38:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-22 22:38:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-22 22:38:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:38:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 22:38:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:38:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-22 22:38:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-22 22:38:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmget [2022-07-22 22:38:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmget [2022-07-22 22:38:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-22 22:38:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 22:38:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_INT [2022-07-22 22:38:29,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_INT [2022-07-22 22:38:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 22:38:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 22:38:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-22 22:38:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-22 22:38:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-22 22:38:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-22 22:38:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-22 22:38:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-22 22:38:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure if_chars_in_buffer [2022-07-22 22:38:29,875 INFO L138 BoogieDeclarations]: Found implementation of procedure if_chars_in_buffer [2022-07-22 22:38:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure if_write_room [2022-07-22 22:38:29,875 INFO L138 BoogieDeclarations]: Found implementation of procedure if_write_room [2022-07-22 22:38:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-22 22:38:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-22 22:38:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure if_throttle [2022-07-22 22:38:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure if_throttle [2022-07-22 22:38:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-22 22:38:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-22 22:38:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-22 22:38:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-22 22:38:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2022-07-22 22:38:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2022-07-22 22:38:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 22:38:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 22:38:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-22 22:38:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-22 22:38:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-07-22 22:38:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 22:38:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 22:38:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 22:38:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 22:38:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-22 22:38:29,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-22 22:38:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:38:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-22 22:38:29,880 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-22 22:38:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:38:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:38:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 22:38:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 22:38:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 22:38:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 22:38:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-22 22:38:29,881 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-22 22:38:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure if_tiocmset [2022-07-22 22:38:29,881 INFO L138 BoogieDeclarations]: Found implementation of procedure if_tiocmset [2022-07-22 22:38:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-22 22:38:29,882 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-22 22:38:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure if_open [2022-07-22 22:38:29,882 INFO L138 BoogieDeclarations]: Found implementation of procedure if_open [2022-07-22 22:38:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-22 22:38:29,883 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-22 22:38:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure setflags [2022-07-22 22:38:29,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setflags [2022-07-22 22:38:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure if_unthrottle [2022-07-22 22:38:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure if_unthrottle [2022-07-22 22:38:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 22:38:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-22 22:38:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-22 22:38:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:38:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:38:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-22 22:38:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-22 22:38:30,367 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:38:30,369 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:38:34,728 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-22 22:38:34,729 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-22 22:38:35,641 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-07-22 22:38:35,641 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-07-22 22:38:35,641 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; [2022-07-22 22:38:35,642 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5012: SUMMARY for call #t~ret76#1.base, #t~ret76#1.offset := get_current(); srcloc: null [2022-07-22 22:38:35,643 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:38:35,646 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:38:35,647 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:38:36,116 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-07-22 22:38:36,116 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-07-22 22:38:36,117 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2022-07-22 22:38:36,117 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2022-07-22 22:38:36,117 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-07-22 22:38:36,117 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-07-22 22:38:36,582 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:38:36,584 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:38:36,587 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock.