./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 e19ca921 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-e19ca92 [2021-12-22 14:34:49,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:34:49,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:34:49,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:34:49,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:34:49,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:34:49,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:34:49,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:34:49,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:34:49,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:34:49,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:34:49,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:34:49,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:34:49,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:34:49,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:34:49,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:34:49,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:34:49,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:34:49,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:34:49,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:34:49,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:34:49,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:34:49,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:34:49,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:34:49,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:34:49,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:34:49,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:34:49,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:34:49,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:34:49,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:34:49,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:34:49,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:34:49,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:34:49,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:34:49,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:34:49,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:34:49,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:34:49,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:34:49,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:34:49,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:34:49,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:34:49,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:34:49,699 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:34:49,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:34:49,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:34:49,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:34:49,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:34:49,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:34:49,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:34:49,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:34:49,701 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:34:49,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:34:49,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:34:49,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:34:49,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:34:49,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:34:49,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:34:49,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:34:49,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:34:49,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:34:49,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:34:49,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:34:49,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:34:49,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:34:49,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:34:49,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:34:49,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:34:49,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:34:49,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:34:49,705 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:34:49,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:34:49,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:34:49,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:34:49,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2021-12-22 14:34:49,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:34:49,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:34:49,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:34:49,917 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:34:49,917 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:34:49,918 INFO L432 ainManager$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 [2021-12-22 14:34:49,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4ca8b7c/675aed869c484ad9825cf3458807bd67/FLAGd60a70a45 [2021-12-22 14:34:50,606 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:34:50,607 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 [2021-12-22 14:34:50,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4ca8b7c/675aed869c484ad9825cf3458807bd67/FLAGd60a70a45 [2021-12-22 14:34:50,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4ca8b7c/675aed869c484ad9825cf3458807bd67 [2021-12-22 14:34:50,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:34:50,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:34:50,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:34:50,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:34:50,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:34:50,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:34:50" (1/1) ... [2021-12-22 14:34:50,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b45ca59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:50, skipping insertion in model container [2021-12-22 14:34:50,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:34:50" (1/1) ... [2021-12-22 14:34:50,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:34:50,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:34:51,808 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] [2021-12-22 14:34:52,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:34:52,905 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:34:52,990 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] [2021-12-22 14:34:53,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:34:53,384 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:34:53,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53 WrapperNode [2021-12-22 14:34:53,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:34:53,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:34:53,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:34:53,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:34:53,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53" (1/1) ... [2021-12-22 14:34:53,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53" (1/1) ... [2021-12-22 14:34:53,681 INFO L137 Inliner]: procedures = 318, calls = 3918, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 6384 [2021-12-22 14:34:53,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:34:53,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:34:53,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:34:53,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:34:53,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53" (1/1) ... [2021-12-22 14:34:53,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53" (1/1) ... [2021-12-22 14:34:53,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53" (1/1) ... [2021-12-22 14:34:53,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53" (1/1) ... [2021-12-22 14:34:53,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53" (1/1) ... [2021-12-22 14:34:53,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53" (1/1) ... [2021-12-22 14:34:53,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53" (1/1) ... [2021-12-22 14:34:53,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:34:53,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:34:53,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:34:53,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:34:53,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53" (1/1) ... [2021-12-22 14:34:53,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:34:53,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:34:53,926 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) [2021-12-22 14:34:53,927 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 [2021-12-22 14:34:53,976 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2021-12-22 14:34:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2021-12-22 14:34:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 14:34:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 14:34:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2021-12-22 14:34:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2021-12-22 14:34:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2021-12-22 14:34:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2021-12-22 14:34:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2021-12-22 14:34:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2021-12-22 14:34:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:34:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:34:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2021-12-22 14:34:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2021-12-22 14:34:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-22 14:34:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-22 14:34:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2021-12-22 14:34:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2021-12-22 14:34:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 14:34:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 14:34:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2021-12-22 14:34:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2021-12-22 14:34:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:34:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:34:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-22 14:34:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-22 14:34:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2021-12-22 14:34:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2021-12-22 14:34:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2021-12-22 14:34:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2021-12-22 14:34:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2021-12-22 14:34:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2021-12-22 14:34:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2021-12-22 14:34:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2021-12-22 14:34:53,981 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2021-12-22 14:34:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2021-12-22 14:34:53,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:34:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:34:53,981 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2021-12-22 14:34:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2021-12-22 14:34:53,981 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 14:34:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 14:34:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:34:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:34:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2021-12-22 14:34:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2021-12-22 14:34:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:34:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:34:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2021-12-22 14:34:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2021-12-22 14:34:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-22 14:34:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-22 14:34:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2021-12-22 14:34:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2021-12-22 14:34:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-12-22 14:34:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-12-22 14:34:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-22 14:34:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-22 14:34:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2021-12-22 14:34:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2021-12-22 14:34:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:34:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:34:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2021-12-22 14:34:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2021-12-22 14:34:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-22 14:34:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-22 14:34:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2021-12-22 14:34:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2021-12-22 14:34:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-22 14:34:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-22 14:34:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2021-12-22 14:34:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2021-12-22 14:34:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-22 14:34:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-22 14:34:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-22 14:34:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-22 14:34:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:34:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-22 14:34:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-22 14:34:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2021-12-22 14:34:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2021-12-22 14:34:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 14:34:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:34:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2021-12-22 14:34:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2021-12-22 14:34:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2021-12-22 14:34:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2021-12-22 14:34:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2021-12-22 14:34:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2021-12-22 14:34:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2021-12-22 14:34:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2021-12-22 14:34:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2021-12-22 14:34:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2021-12-22 14:34:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2021-12-22 14:34:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2021-12-22 14:34:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2021-12-22 14:34:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2021-12-22 14:34:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:34:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:34:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2021-12-22 14:34:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2021-12-22 14:34:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:34:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2021-12-22 14:34:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2021-12-22 14:34:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2021-12-22 14:34:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2021-12-22 14:34:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:34:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-22 14:34:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-22 14:34:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2021-12-22 14:34:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2021-12-22 14:34:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-22 14:34:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-22 14:34:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2021-12-22 14:34:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2021-12-22 14:34:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:34:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:34:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2021-12-22 14:34:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2021-12-22 14:34:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-22 14:34:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-22 14:34:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2021-12-22 14:34:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2021-12-22 14:34:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:34:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:34:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2021-12-22 14:34:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2021-12-22 14:34:53,992 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 14:34:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 14:34:53,993 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-22 14:34:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-22 14:34:53,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2021-12-22 14:34:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2021-12-22 14:34:53,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2021-12-22 14:34:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2021-12-22 14:34:53,993 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2021-12-22 14:34:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2021-12-22 14:34:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:34:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2021-12-22 14:34:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2021-12-22 14:34:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 14:34:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 14:34:53,994 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 14:34:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 14:34:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2021-12-22 14:34:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2021-12-22 14:34:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-22 14:34:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-22 14:34:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-22 14:34:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-22 14:34:53,995 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2021-12-22 14:34:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2021-12-22 14:34:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2021-12-22 14:34:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2021-12-22 14:34:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:34:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:34:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:34:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2021-12-22 14:34:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2021-12-22 14:34:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:34:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:34:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2021-12-22 14:34:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2021-12-22 14:34:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:34:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 14:34:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 14:34:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-22 14:34:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-22 14:34:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2021-12-22 14:34:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2021-12-22 14:34:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2021-12-22 14:34:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2021-12-22 14:34:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2021-12-22 14:34:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2021-12-22 14:34:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:34:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2021-12-22 14:34:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2021-12-22 14:34:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2021-12-22 14:34:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2021-12-22 14:34:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 14:34:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 14:34:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:34:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:34:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:34:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:34:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-22 14:34:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-22 14:34:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-22 14:34:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-22 14:34:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-22 14:34:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-22 14:34:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 14:34:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 14:34:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2021-12-22 14:34:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2021-12-22 14:34:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 14:34:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 14:34:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-22 14:34:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-22 14:34:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2021-12-22 14:34:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2021-12-22 14:34:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-22 14:34:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-22 14:34:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2021-12-22 14:34:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2021-12-22 14:34:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2021-12-22 14:34:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2021-12-22 14:34:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2021-12-22 14:34:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2021-12-22 14:34:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-22 14:34:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-22 14:34:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-22 14:34:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-22 14:34:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:34:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2021-12-22 14:34:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2021-12-22 14:34:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2021-12-22 14:34:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2021-12-22 14:34:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 14:34:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 14:34:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:34:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:34:54,550 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:34:54,552 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:34:54,792 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:34:55,400 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-12-22 14:34:58,309 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:34:58,329 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:34:58,329 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:34:58,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:34:58 BoogieIcfgContainer [2021-12-22 14:34:58,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:34:58,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:34:58,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:34:58,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:34:58,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:34:50" (1/3) ... [2021-12-22 14:34:58,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ac784b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:34:58, skipping insertion in model container [2021-12-22 14:34:58,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:34:53" (2/3) ... [2021-12-22 14:34:58,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ac784b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:34:58, skipping insertion in model container [2021-12-22 14:34:58,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:34:58" (3/3) ... [2021-12-22 14:34:58,339 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2021-12-22 14:34:58,343 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:34:58,343 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:34:58,384 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:34:58,388 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 [2021-12-22 14:34:58,389 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:34:58,443 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) [2021-12-22 14:34:58,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-22 14:34:58,456 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:34:58,457 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] [2021-12-22 14:34:58,457 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:34:58,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:34:58,461 INFO L85 PathProgramCache]: Analyzing trace with hash -670781513, now seen corresponding path program 1 times [2021-12-22 14:34:58,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:34:58,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721464291] [2021-12-22 14:34:58,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:34:58,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:34:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:59,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:34:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:34:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:59,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:34:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:34:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:59,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:34:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:34:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 14:34:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-22 14:34:59,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:34:59,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721464291] [2021-12-22 14:34:59,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721464291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:34:59,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:34:59,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 14:34:59,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373040887] [2021-12-22 14:34:59,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:34:59,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 14:34:59,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:34:59,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 14:34:59,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:34:59,185 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) [2021-12-22 14:35:16,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:35:16,597 INFO L93 Difference]: Finished difference Result 9256 states and 14100 transitions. [2021-12-22 14:35:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 14:35:16,599 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 [2021-12-22 14:35:16,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:35:16,660 INFO L225 Difference]: With dead ends: 9256 [2021-12-22 14:35:16,660 INFO L226 Difference]: Without dead ends: 7134 [2021-12-22 14:35:16,677 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 [2021-12-22 14:35:16,680 INFO L933 BasicCegarLoop]: 3502 mSDtfsCounter, 11304 mSDsluCounter, 11850 mSDsCounter, 0 mSdLazyCounter, 12564 mSolverCounterSat, 6153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11946 SdHoareTripleChecker+Valid, 15352 SdHoareTripleChecker+Invalid, 18717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6153 IncrementalHoareTripleChecker+Valid, 12564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2021-12-22 14:35:16,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11946 Valid, 15352 Invalid, 18717 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6153 Valid, 12564 Invalid, 0 Unknown, 0 Unchecked, 16.4s Time] [2021-12-22 14:35:16,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7134 states. [2021-12-22 14:35:16,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7134 to 6003. [2021-12-22 14:35:16,999 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) [2021-12-22 14:35:17,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6003 states to 6003 states and 8779 transitions. [2021-12-22 14:35:17,034 INFO L78 Accepts]: Start accepts. Automaton has 6003 states and 8779 transitions. Word has length 66 [2021-12-22 14:35:17,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:35:17,036 INFO L470 AbstractCegarLoop]: Abstraction has 6003 states and 8779 transitions. [2021-12-22 14:35:17,036 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) [2021-12-22 14:35:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 6003 states and 8779 transitions. [2021-12-22 14:35:17,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-22 14:35:17,046 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:35:17,046 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] [2021-12-22 14:35:17,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:35:17,047 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:35:17,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:35:17,048 INFO L85 PathProgramCache]: Analyzing trace with hash -174989572, now seen corresponding path program 1 times [2021-12-22 14:35:17,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:35:17,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901238811] [2021-12-22 14:35:17,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:35:17,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:35:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:35:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:17,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:35:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:35:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:35:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:35:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:35:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:17,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:35:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-22 14:35:17,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:35:17,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901238811] [2021-12-22 14:35:17,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901238811] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:35:17,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:35:17,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:35:17,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908374634] [2021-12-22 14:35:17,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:35:17,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:35:17,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:35:17,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:35:17,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:35:17,481 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) [2021-12-22 14:35:24,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:35:30,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:35:30,917 INFO L93 Difference]: Finished difference Result 22292 states and 34407 transitions. [2021-12-22 14:35:30,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:35:30,917 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 [2021-12-22 14:35:30,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:35:31,016 INFO L225 Difference]: With dead ends: 22292 [2021-12-22 14:35:31,016 INFO L226 Difference]: Without dead ends: 16315 [2021-12-22 14:35:31,052 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 [2021-12-22 14:35:31,054 INFO L933 BasicCegarLoop]: 3197 mSDtfsCounter, 7314 mSDsluCounter, 6089 mSDsCounter, 0 mSdLazyCounter, 5951 mSolverCounterSat, 4779 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7712 SdHoareTripleChecker+Valid, 9286 SdHoareTripleChecker+Invalid, 10731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4779 IncrementalHoareTripleChecker+Valid, 5951 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-12-22 14:35:31,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7712 Valid, 9286 Invalid, 10731 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4779 Valid, 5951 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2021-12-22 14:35:31,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2021-12-22 14:35:31,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 13400. [2021-12-22 14:35:31,624 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) [2021-12-22 14:35:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13400 states to 13400 states and 20209 transitions. [2021-12-22 14:35:31,692 INFO L78 Accepts]: Start accepts. Automaton has 13400 states and 20209 transitions. Word has length 69 [2021-12-22 14:35:31,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:35:31,692 INFO L470 AbstractCegarLoop]: Abstraction has 13400 states and 20209 transitions. [2021-12-22 14:35:31,693 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) [2021-12-22 14:35:31,693 INFO L276 IsEmpty]: Start isEmpty. Operand 13400 states and 20209 transitions. [2021-12-22 14:35:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-22 14:35:31,696 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:35:31,697 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] [2021-12-22 14:35:31,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:35:31,697 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:35:31,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:35:31,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1130675884, now seen corresponding path program 1 times [2021-12-22 14:35:31,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:35:31,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981729179] [2021-12-22 14:35:31,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:35:31,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:35:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:32,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:35:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:32,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:35:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:32,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:35:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:35:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:35:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:35:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:35:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-22 14:35:32,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:35:32,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981729179] [2021-12-22 14:35:32,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981729179] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:35:32,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:35:32,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:35:32,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462894902] [2021-12-22 14:35:32,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:35:32,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:35:32,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:35:32,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:35:32,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:35:32,165 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) [2021-12-22 14:35:43,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:35:43,996 INFO L93 Difference]: Finished difference Result 45943 states and 72646 transitions. [2021-12-22 14:35:43,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:35:43,999 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 [2021-12-22 14:35:44,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:35:44,224 INFO L225 Difference]: With dead ends: 45943 [2021-12-22 14:35:44,225 INFO L226 Difference]: Without dead ends: 32569 [2021-12-22 14:35:44,338 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 [2021-12-22 14:35:44,343 INFO L933 BasicCegarLoop]: 3263 mSDtfsCounter, 7231 mSDsluCounter, 6054 mSDsCounter, 0 mSdLazyCounter, 6026 mSolverCounterSat, 4708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7634 SdHoareTripleChecker+Valid, 9317 SdHoareTripleChecker+Invalid, 10734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4708 IncrementalHoareTripleChecker+Valid, 6026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-12-22 14:35:44,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7634 Valid, 9317 Invalid, 10734 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4708 Valid, 6026 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2021-12-22 14:35:44,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32569 states. [2021-12-22 14:35:45,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32569 to 28183. [2021-12-22 14:35:45,534 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) [2021-12-22 14:35:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28183 states to 28183 states and 43539 transitions. [2021-12-22 14:35:45,680 INFO L78 Accepts]: Start accepts. Automaton has 28183 states and 43539 transitions. Word has length 70 [2021-12-22 14:35:45,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:35:45,680 INFO L470 AbstractCegarLoop]: Abstraction has 28183 states and 43539 transitions. [2021-12-22 14:35:45,680 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) [2021-12-22 14:35:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 28183 states and 43539 transitions. [2021-12-22 14:35:45,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-22 14:35:45,684 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:35:45,684 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] [2021-12-22 14:35:45,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:35:45,684 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:35:45,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:35:45,685 INFO L85 PathProgramCache]: Analyzing trace with hash -692175617, now seen corresponding path program 1 times [2021-12-22 14:35:45,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:35:45,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437176725] [2021-12-22 14:35:45,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:35:45,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:35:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:45,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:35:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:45,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:35:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:35:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:45,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:35:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:35:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:45,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:35:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:45,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:35:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:35:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-22 14:35:45,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:35:45,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437176725] [2021-12-22 14:35:45,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437176725] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:35:45,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:35:45,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:35:45,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281497546] [2021-12-22 14:35:45,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:35:45,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:35:45,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:35:45,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:35:45,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:35:45,970 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)