./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 03:53:00,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:53:00,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:53:00,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:53:00,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:53:00,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:53:00,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:53:00,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:53:00,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:53:00,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:53:00,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:53:00,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:53:00,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:53:00,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:53:00,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:53:00,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:53:00,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:53:00,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:53:00,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:53:00,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:53:00,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:53:00,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:53:00,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:53:00,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:53:00,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:53:00,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:53:00,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:53:00,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:53:00,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:53:00,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:53:00,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:53:00,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:53:00,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:53:00,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:53:00,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:53:00,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:53:00,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:53:00,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:53:00,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:53:00,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:53:00,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:53:00,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:53:00,221 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:53:00,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:53:00,222 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:53:00,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:53:00,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:53:00,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:53:00,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:53:00,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:53:00,224 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:53:00,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:53:00,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:53:00,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:53:00,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:53:00,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:53:00,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:53:00,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:53:00,226 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:53:00,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:53:00,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:53:00,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:53:00,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:53:00,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:53:00,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:53:00,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:53:00,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:53:00,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:53:00,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:53:00,228 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:53:00,228 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:53:00,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:53:00,229 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2021-12-28 03:53:00,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:53:00,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:53:00,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:53:00,537 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:53:00,537 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:53:00,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2021-12-28 03:53:00,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbdbc0a7b/40fd0977290f48458577309450757b00/FLAG4e392f27a [2021-12-28 03:53:01,216 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:53:01,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2021-12-28 03:53:01,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbdbc0a7b/40fd0977290f48458577309450757b00/FLAG4e392f27a [2021-12-28 03:53:01,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbdbc0a7b/40fd0977290f48458577309450757b00 [2021-12-28 03:53:01,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:53:01,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:53:01,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:53:01,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:53:01,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:53:01,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:53:01" (1/1) ... [2021-12-28 03:53:01,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9232e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:01, skipping insertion in model container [2021-12-28 03:53:01,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:53:01" (1/1) ... [2021-12-28 03:53:01,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:53:01,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:53:02,203 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2021-12-28 03:53:03,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:53:03,155 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:53:03,292 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2021-12-28 03:53:03,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:53:03,702 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:53:03,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03 WrapperNode [2021-12-28 03:53:03,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:53:03,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:53:03,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:53:03,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:53:03,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03" (1/1) ... [2021-12-28 03:53:03,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03" (1/1) ... [2021-12-28 03:53:03,982 INFO L137 Inliner]: procedures = 318, calls = 3918, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 6384 [2021-12-28 03:53:03,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:53:03,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:53:03,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:53:03,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:53:03,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03" (1/1) ... [2021-12-28 03:53:03,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03" (1/1) ... [2021-12-28 03:53:04,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03" (1/1) ... [2021-12-28 03:53:04,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03" (1/1) ... [2021-12-28 03:53:04,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03" (1/1) ... [2021-12-28 03:53:04,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03" (1/1) ... [2021-12-28 03:53:04,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03" (1/1) ... [2021-12-28 03:53:04,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:53:04,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:53:04,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:53:04,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:53:04,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03" (1/1) ... [2021-12-28 03:53:04,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:53:04,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:53:04,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 03:53:04,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 03:53:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2021-12-28 03:53:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2021-12-28 03:53:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 03:53:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 03:53:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2021-12-28 03:53:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2021-12-28 03:53:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2021-12-28 03:53:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2021-12-28 03:53:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2021-12-28 03:53:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2021-12-28 03:53:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 03:53:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 03:53:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2021-12-28 03:53:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2021-12-28 03:53:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-28 03:53:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-28 03:53:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2021-12-28 03:53:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2021-12-28 03:53:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 03:53:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 03:53:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2021-12-28 03:53:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2021-12-28 03:53:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:53:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:53:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-28 03:53:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-28 03:53:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2021-12-28 03:53:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2021-12-28 03:53:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2021-12-28 03:53:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2021-12-28 03:53:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2021-12-28 03:53:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2021-12-28 03:53:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2021-12-28 03:53:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2021-12-28 03:53:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2021-12-28 03:53:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2021-12-28 03:53:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 03:53:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 03:53:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2021-12-28 03:53:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2021-12-28 03:53:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 03:53:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 03:53:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 03:53:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 03:53:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2021-12-28 03:53:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2021-12-28 03:53:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 03:53:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 03:53:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2021-12-28 03:53:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2021-12-28 03:53:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-28 03:53:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-28 03:53:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2021-12-28 03:53:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2021-12-28 03:53:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-12-28 03:53:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-12-28 03:53:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-28 03:53:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-28 03:53:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2021-12-28 03:53:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2021-12-28 03:53:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 03:53:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 03:53:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2021-12-28 03:53:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2021-12-28 03:53:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-28 03:53:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-28 03:53:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2021-12-28 03:53:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2021-12-28 03:53:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-28 03:53:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-28 03:53:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2021-12-28 03:53:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2021-12-28 03:53:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-28 03:53:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-28 03:53:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-28 03:53:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-28 03:53:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 03:53:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-28 03:53:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-28 03:53:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2021-12-28 03:53:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2021-12-28 03:53:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 03:53:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:53:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2021-12-28 03:53:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2021-12-28 03:53:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2021-12-28 03:53:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2021-12-28 03:53:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2021-12-28 03:53:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2021-12-28 03:53:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2021-12-28 03:53:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2021-12-28 03:53:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2021-12-28 03:53:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2021-12-28 03:53:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2021-12-28 03:53:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2021-12-28 03:53:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2021-12-28 03:53:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2021-12-28 03:53:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 03:53:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 03:53:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2021-12-28 03:53:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2021-12-28 03:53:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 03:53:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2021-12-28 03:53:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2021-12-28 03:53:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2021-12-28 03:53:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2021-12-28 03:53:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:53:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-28 03:53:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-28 03:53:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2021-12-28 03:53:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2021-12-28 03:53:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-28 03:53:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-28 03:53:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2021-12-28 03:53:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2021-12-28 03:53:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 03:53:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 03:53:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2021-12-28 03:53:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2021-12-28 03:53:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 03:53:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 03:53:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2021-12-28 03:53:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2021-12-28 03:53:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 03:53:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 03:53:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2021-12-28 03:53:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2021-12-28 03:53:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 03:53:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 03:53:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-28 03:53:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-28 03:53:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2021-12-28 03:53:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2021-12-28 03:53:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2021-12-28 03:53:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2021-12-28 03:53:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2021-12-28 03:53:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2021-12-28 03:53:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:53:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2021-12-28 03:53:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2021-12-28 03:53:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 03:53:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 03:53:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 03:53:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 03:53:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2021-12-28 03:53:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2021-12-28 03:53:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-28 03:53:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-28 03:53:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-28 03:53:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-28 03:53:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2021-12-28 03:53:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2021-12-28 03:53:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2021-12-28 03:53:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2021-12-28 03:53:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 03:53:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 03:53:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:53:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2021-12-28 03:53:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2021-12-28 03:53:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 03:53:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 03:53:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2021-12-28 03:53:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2021-12-28 03:53:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:53:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 03:53:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 03:53:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-28 03:53:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-28 03:53:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2021-12-28 03:53:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2021-12-28 03:53:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2021-12-28 03:53:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2021-12-28 03:53:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2021-12-28 03:53:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2021-12-28 03:53:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:53:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2021-12-28 03:53:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2021-12-28 03:53:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2021-12-28 03:53:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2021-12-28 03:53:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 03:53:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 03:53:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:53:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 03:53:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 03:53:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 03:53:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-28 03:53:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-28 03:53:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-28 03:53:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-28 03:53:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-28 03:53:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-28 03:53:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 03:53:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 03:53:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2021-12-28 03:53:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2021-12-28 03:53:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 03:53:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 03:53:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-28 03:53:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-28 03:53:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2021-12-28 03:53:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2021-12-28 03:53:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-28 03:53:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-28 03:53:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2021-12-28 03:53:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2021-12-28 03:53:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2021-12-28 03:53:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2021-12-28 03:53:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2021-12-28 03:53:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2021-12-28 03:53:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-28 03:53:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-28 03:53:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-28 03:53:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-28 03:53:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:53:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2021-12-28 03:53:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2021-12-28 03:53:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2021-12-28 03:53:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2021-12-28 03:53:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 03:53:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 03:53:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:53:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:53:04,946 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:53:04,948 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:53:05,171 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 03:53:05,836 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-12-28 03:53:08,834 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:53:08,854 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:53:08,855 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 03:53:08,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:53:08 BoogieIcfgContainer [2021-12-28 03:53:08,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:53:08,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:53:08,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:53:08,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:53:08,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:53:01" (1/3) ... [2021-12-28 03:53:08,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5ebf4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:53:08, skipping insertion in model container [2021-12-28 03:53:08,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:53:03" (2/3) ... [2021-12-28 03:53:08,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5ebf4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:53:08, skipping insertion in model container [2021-12-28 03:53:08,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:53:08" (3/3) ... [2021-12-28 03:53:08,864 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2021-12-28 03:53:08,868 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:53:08,868 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:53:08,905 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:53:08,909 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 03:53:08,910 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:53:08,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 2085 states, 1440 states have (on average 1.3743055555555554) internal successors, (1979), 1515 states have internal predecessors, (1979), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) [2021-12-28 03:53:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-28 03:53:08,953 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:53:08,954 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:53:08,954 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:53:08,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:53:08,958 INFO L85 PathProgramCache]: Analyzing trace with hash -670781513, now seen corresponding path program 1 times [2021-12-28 03:53:08,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:53:08,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970251260] [2021-12-28 03:53:08,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:53:08,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:53:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:09,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:53:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:09,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:53:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:53:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:53:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:53:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 03:53:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:09,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 03:53:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-28 03:53:09,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:53:09,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970251260] [2021-12-28 03:53:09,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970251260] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:53:09,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:53:09,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 03:53:09,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845879540] [2021-12-28 03:53:09,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:53:09,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 03:53:09,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:53:09,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 03:53:09,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-28 03:53:09,719 INFO L87 Difference]: Start difference. First operand has 2085 states, 1440 states have (on average 1.3743055555555554) internal successors, (1979), 1515 states have internal predecessors, (1979), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-28 03:53:22,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:53:28,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:53:28,445 INFO L93 Difference]: Finished difference Result 9256 states and 14100 transitions. [2021-12-28 03:53:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-28 03:53:28,447 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2021-12-28 03:53:28,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:53:28,550 INFO L225 Difference]: With dead ends: 9256 [2021-12-28 03:53:28,550 INFO L226 Difference]: Without dead ends: 7134 [2021-12-28 03:53:28,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2021-12-28 03:53:28,577 INFO L933 BasicCegarLoop]: 3491 mSDtfsCounter, 11305 mSDsluCounter, 10817 mSDsCounter, 0 mSdLazyCounter, 13563 mSolverCounterSat, 6147 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11953 SdHoareTripleChecker+Valid, 14308 SdHoareTripleChecker+Invalid, 19711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6147 IncrementalHoareTripleChecker+Valid, 13563 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-12-28 03:53:28,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11953 Valid, 14308 Invalid, 19711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6147 Valid, 13563 Invalid, 1 Unknown, 0 Unchecked, 17.9s Time] [2021-12-28 03:53:28,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7134 states. [2021-12-28 03:53:28,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7134 to 6003. [2021-12-28 03:53:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6003 states, 4161 states have (on average 1.3703436673876472) internal successors, (5702), 4340 states have internal predecessors, (5702), 1541 states have call successors, (1541), 301 states have call predecessors, (1541), 300 states have return successors, (1536), 1449 states have call predecessors, (1536), 1536 states have call successors, (1536) [2021-12-28 03:53:28,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6003 states to 6003 states and 8779 transitions. [2021-12-28 03:53:28,911 INFO L78 Accepts]: Start accepts. Automaton has 6003 states and 8779 transitions. Word has length 66 [2021-12-28 03:53:28,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:53:28,913 INFO L470 AbstractCegarLoop]: Abstraction has 6003 states and 8779 transitions. [2021-12-28 03:53:28,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-28 03:53:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 6003 states and 8779 transitions. [2021-12-28 03:53:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-28 03:53:28,922 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:53:28,922 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:53:28,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 03:53:28,923 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:53:28,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:53:28,925 INFO L85 PathProgramCache]: Analyzing trace with hash -174989572, now seen corresponding path program 1 times [2021-12-28 03:53:28,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:53:28,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041878851] [2021-12-28 03:53:28,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:53:28,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:53:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:29,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:53:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:53:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:53:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:29,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:53:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:53:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:29,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 03:53:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 03:53:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-28 03:53:29,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:53:29,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041878851] [2021-12-28 03:53:29,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041878851] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:53:29,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:53:29,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 03:53:29,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888302040] [2021-12-28 03:53:29,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:53:29,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 03:53:29,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:53:29,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 03:53:29,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 03:53:29,379 INFO L87 Difference]: Start difference. First operand 6003 states and 8779 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-28 03:53:39,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:53:39,945 INFO L93 Difference]: Finished difference Result 22292 states and 34407 transitions. [2021-12-28 03:53:39,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 03:53:39,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 69 [2021-12-28 03:53:39,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:53:40,067 INFO L225 Difference]: With dead ends: 22292 [2021-12-28 03:53:40,068 INFO L226 Difference]: Without dead ends: 16315 [2021-12-28 03:53:40,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-28 03:53:40,113 INFO L933 BasicCegarLoop]: 3208 mSDtfsCounter, 7302 mSDsluCounter, 5658 mSDsCounter, 0 mSdLazyCounter, 6433 mSolverCounterSat, 4768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7699 SdHoareTripleChecker+Valid, 8866 SdHoareTripleChecker+Invalid, 11201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4768 IncrementalHoareTripleChecker+Valid, 6433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-12-28 03:53:40,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7699 Valid, 8866 Invalid, 11201 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4768 Valid, 6433 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2021-12-28 03:53:40,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2021-12-28 03:53:40,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 13400. [2021-12-28 03:53:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13400 states, 9271 states have (on average 1.358753101067846) internal successors, (12597), 9673 states have internal predecessors, (12597), 3367 states have call successors, (3367), 600 states have call predecessors, (3367), 761 states have return successors, (4245), 3329 states have call predecessors, (4245), 3362 states have call successors, (4245) [2021-12-28 03:53:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13400 states to 13400 states and 20209 transitions. [2021-12-28 03:53:40,863 INFO L78 Accepts]: Start accepts. Automaton has 13400 states and 20209 transitions. Word has length 69 [2021-12-28 03:53:40,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:53:40,864 INFO L470 AbstractCegarLoop]: Abstraction has 13400 states and 20209 transitions. [2021-12-28 03:53:40,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-28 03:53:40,865 INFO L276 IsEmpty]: Start isEmpty. Operand 13400 states and 20209 transitions. [2021-12-28 03:53:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-28 03:53:40,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:53:40,870 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:53:40,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 03:53:40,870 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:53:40,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:53:40,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1130675884, now seen corresponding path program 1 times [2021-12-28 03:53:40,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:53:40,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458301627] [2021-12-28 03:53:40,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:53:40,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:53:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:53:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:41,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:53:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:41,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:53:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:41,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:53:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:53:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 03:53:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 03:53:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-28 03:53:41,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:53:41,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458301627] [2021-12-28 03:53:41,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458301627] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:53:41,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:53:41,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 03:53:41,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866388354] [2021-12-28 03:53:41,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:53:41,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 03:53:41,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:53:41,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 03:53:41,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 03:53:41,200 INFO L87 Difference]: Start difference. First operand 13400 states and 20209 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-28 03:53:46,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:53:47,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:53:53,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:53:53,721 INFO L93 Difference]: Finished difference Result 45943 states and 72646 transitions. [2021-12-28 03:53:53,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 03:53:53,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2021-12-28 03:53:53,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:53:53,924 INFO L225 Difference]: With dead ends: 45943 [2021-12-28 03:53:53,924 INFO L226 Difference]: Without dead ends: 32569 [2021-12-28 03:53:54,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-28 03:53:54,013 INFO L933 BasicCegarLoop]: 3268 mSDtfsCounter, 7228 mSDsluCounter, 5629 mSDsCounter, 0 mSdLazyCounter, 6490 mSolverCounterSat, 4691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7627 SdHoareTripleChecker+Valid, 8897 SdHoareTripleChecker+Invalid, 11181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4691 IncrementalHoareTripleChecker+Valid, 6490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2021-12-28 03:53:54,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7627 Valid, 8897 Invalid, 11181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4691 Valid, 6490 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2021-12-28 03:53:54,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32569 states. [2021-12-28 03:53:55,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32569 to 28183. [2021-12-28 03:53:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28183 states, 19480 states have (on average 1.3529774127310061) internal successors, (26356), 20328 states have internal predecessors, (26356), 7019 states have call successors, (7019), 1198 states have call predecessors, (7019), 1683 states have return successors, (10164), 7089 states have call predecessors, (10164), 7014 states have call successors, (10164) [2021-12-28 03:53:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28183 states to 28183 states and 43539 transitions. [2021-12-28 03:53:55,505 INFO L78 Accepts]: Start accepts. Automaton has 28183 states and 43539 transitions. Word has length 70 [2021-12-28 03:53:55,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:53:55,505 INFO L470 AbstractCegarLoop]: Abstraction has 28183 states and 43539 transitions. [2021-12-28 03:53:55,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-28 03:53:55,506 INFO L276 IsEmpty]: Start isEmpty. Operand 28183 states and 43539 transitions. [2021-12-28 03:53:55,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-28 03:53:55,509 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:53:55,509 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:53:55,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 03:53:55,509 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:53:55,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:53:55,510 INFO L85 PathProgramCache]: Analyzing trace with hash -692175617, now seen corresponding path program 1 times [2021-12-28 03:53:55,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:53:55,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579866071] [2021-12-28 03:53:55,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:53:55,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:53:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:55,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:53:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:55,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:53:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:55,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:53:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:55,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:53:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:53:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 03:53:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:55,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 03:53:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:53:55,804 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-28 03:53:55,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:53:55,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579866071] [2021-12-28 03:53:55,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579866071] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:53:55,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:53:55,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 03:53:55,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382233121] [2021-12-28 03:53:55,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:53:55,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 03:53:55,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:53:55,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 03:53:55,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 03:53:55,808 INFO L87 Difference]: Start difference. First operand 28183 states and 43539 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)