./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--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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--staging--media--go7007--go7007-loader.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 570f71a4ef125473e8d858d9fb4e2164a899b7ee95a6020ace877d8b3dd9ef52 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:01:01,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:01:01,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:01:01,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:01:01,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:01:01,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:01:01,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:01:01,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:01:01,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:01:01,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:01:01,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:01:01,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:01:01,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:01:01,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:01:01,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:01:01,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:01:01,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:01:01,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:01:01,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:01:01,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:01:01,842 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:01:01,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:01:01,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:01:01,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:01:01,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:01:01,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:01:01,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:01:01,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:01:01,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:01:01,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:01:01,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:01:01,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:01:01,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:01:01,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:01:01,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:01:01,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:01:01,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:01:01,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:01:01,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:01:01,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:01:01,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:01:01,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:01:01,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:01:01,889 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:01:01,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:01:01,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:01:01,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:01:01,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:01:01,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:01:01,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:01:01,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:01:01,892 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:01:01,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:01:01,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:01:01,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:01:01,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:01:01,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:01:01,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:01:01,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:01:01,893 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:01:01,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:01:01,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:01:01,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:01:01,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:01:01,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:01:01,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:01:01,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:01:01,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:01:01,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:01:01,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:01:01,895 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:01:01,895 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:01:01,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:01:01,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 570f71a4ef125473e8d858d9fb4e2164a899b7ee95a6020ace877d8b3dd9ef52 [2022-07-21 11:01:02,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:01:02,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:01:02,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:01:02,188 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:01:02,188 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:01:02,189 INFO L432 ainManager$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--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i [2022-07-21 11:01:02,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a573b75/ee5807a852f84a42a5a61ef4b088a3fc/FLAGa7781507b [2022-07-21 11:01:02,779 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:01:02,779 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--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i [2022-07-21 11:01:02,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a573b75/ee5807a852f84a42a5a61ef4b088a3fc/FLAGa7781507b [2022-07-21 11:01:03,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a573b75/ee5807a852f84a42a5a61ef4b088a3fc [2022-07-21 11:01:03,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:01:03,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:01:03,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:01:03,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:01:03,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:01:03,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:03,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc09f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03, skipping insertion in model container [2022-07-21 11:01:03,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:03,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:01:03,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:01:03,685 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--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i[94831,94844] [2022-07-21 11:01:03,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:01:03,796 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:01:03,855 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--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i[94831,94844] [2022-07-21 11:01:03,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:01:03,913 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:01:03,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03 WrapperNode [2022-07-21 11:01:03,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:01:03,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:01:03,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:01:03,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:01:03,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:03,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:03,992 INFO L137 Inliner]: procedures = 69, calls = 242, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 564 [2022-07-21 11:01:03,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:01:03,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:01:03,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:01:03,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:01:04,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:04,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:04,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:04,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:04,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:04,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:04,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:04,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:01:04,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:01:04,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:01:04,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:01:04,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03" (1/1) ... [2022-07-21 11:01:04,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:01:04,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:01:04,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:01:04,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:01:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:01:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 11:01:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 11:01:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:01:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:01:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:01:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:01:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:01:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:01:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:01:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure cypress_load_firmware [2022-07-21 11:01:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cypress_load_firmware [2022-07-21 11:01:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_disconnect [2022-07-21 11:01:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_disconnect [2022-07-21 11:01:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:01:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:01:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-21 11:01:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-21 11:01:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-21 11:01:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-21 11:01:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:01:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:01:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:01:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:01:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-21 11:01:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-21 11:01:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:01:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:01:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:01:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:01:04,312 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:01:04,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:01:04,400 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-21 11:01:04,413 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:01:04,632 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:01:04,645 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:01:04,646 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:01:04,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:01:04 BoogieIcfgContainer [2022-07-21 11:01:04,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:01:04,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:01:04,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:01:04,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:01:04,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:01:03" (1/3) ... [2022-07-21 11:01:04,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46275a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:01:04, skipping insertion in model container [2022-07-21 11:01:04,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:03" (2/3) ... [2022-07-21 11:01:04,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46275a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:01:04, skipping insertion in model container [2022-07-21 11:01:04,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:01:04" (3/3) ... [2022-07-21 11:01:04,652 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i [2022-07-21 11:01:04,661 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:01:04,662 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:01:04,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:01:04,711 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4383815a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5696964f [2022-07-21 11:01:04,711 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:01:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 104 states have (on average 1.4038461538461537) internal successors, (146), 114 states have internal predecessors, (146), 21 states have call successors, (21), 10 states have call predecessors, (21), 8 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-07-21 11:01:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 11:01:04,723 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:04,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:04,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:04,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:04,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1946969106, now seen corresponding path program 1 times [2022-07-21 11:01:04,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:04,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318507155] [2022-07-21 11:01:04,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:04,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:01:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:05,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 11:01:05,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:01:05,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318507155] [2022-07-21 11:01:05,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318507155] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:05,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:05,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:01:05,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507890753] [2022-07-21 11:01:05,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:05,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:01:05,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:01:05,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:01:05,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:01:05,111 INFO L87 Difference]: Start difference. First operand has 135 states, 104 states have (on average 1.4038461538461537) internal successors, (146), 114 states have internal predecessors, (146), 21 states have call successors, (21), 10 states have call predecessors, (21), 8 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 11:01:05,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:05,366 INFO L93 Difference]: Finished difference Result 370 states and 512 transitions. [2022-07-21 11:01:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:01:05,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-07-21 11:01:05,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:05,381 INFO L225 Difference]: With dead ends: 370 [2022-07-21 11:01:05,381 INFO L226 Difference]: Without dead ends: 222 [2022-07-21 11:01:05,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:05,397 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 162 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:05,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 434 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 11:01:05,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-07-21 11:01:05,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 218. [2022-07-21 11:01:05,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 176 states have (on average 1.3522727272727273) internal successors, (238), 180 states have internal predecessors, (238), 27 states have call successors, (27), 15 states have call predecessors, (27), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-21 11:01:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2022-07-21 11:01:05,444 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 22 [2022-07-21 11:01:05,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:05,444 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2022-07-21 11:01:05,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 11:01:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2022-07-21 11:01:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 11:01:05,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:05,446 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:05,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:01:05,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:05,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:05,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1842370729, now seen corresponding path program 1 times [2022-07-21 11:01:05,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:05,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152526076] [2022-07-21 11:01:05,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:01:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:05,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:01:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:05,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:01:05,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152526076] [2022-07-21 11:01:05,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152526076] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:05,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:05,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:01:05,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283299079] [2022-07-21 11:01:05,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:05,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:01:05,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:01:05,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:01:05,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:01:05,536 INFO L87 Difference]: Start difference. First operand 218 states and 287 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:05,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:05,609 INFO L93 Difference]: Finished difference Result 248 states and 323 transitions. [2022-07-21 11:01:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:01:05,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-21 11:01:05,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:05,612 INFO L225 Difference]: With dead ends: 248 [2022-07-21 11:01:05,612 INFO L226 Difference]: Without dead ends: 235 [2022-07-21 11:01:05,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:05,613 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 166 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:05,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 303 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:01:05,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-07-21 11:01:05,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 218. [2022-07-21 11:01:05,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 176 states have (on average 1.3465909090909092) internal successors, (237), 180 states have internal predecessors, (237), 27 states have call successors, (27), 15 states have call predecessors, (27), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-21 11:01:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 286 transitions. [2022-07-21 11:01:05,626 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 286 transitions. Word has length 32 [2022-07-21 11:01:05,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:05,626 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 286 transitions. [2022-07-21 11:01:05,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:05,627 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 286 transitions. [2022-07-21 11:01:05,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 11:01:05,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:05,628 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:05,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:01:05,628 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:05,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:05,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1899629031, now seen corresponding path program 1 times [2022-07-21 11:01:05,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:05,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681735352] [2022-07-21 11:01:05,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:05,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:05,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:01:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:01:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:05,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:01:05,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681735352] [2022-07-21 11:01:05,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681735352] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:05,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:05,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:01:05,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358254950] [2022-07-21 11:01:05,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:05,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:01:05,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:01:05,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:01:05,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:01:05,740 INFO L87 Difference]: Start difference. First operand 218 states and 286 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:05,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:05,809 INFO L93 Difference]: Finished difference Result 224 states and 291 transitions. [2022-07-21 11:01:05,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:01:05,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-21 11:01:05,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:05,811 INFO L225 Difference]: With dead ends: 224 [2022-07-21 11:01:05,811 INFO L226 Difference]: Without dead ends: 221 [2022-07-21 11:01:05,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:05,815 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 148 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:05,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 259 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:01:05,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-07-21 11:01:05,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 217. [2022-07-21 11:01:05,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 176 states have (on average 1.3409090909090908) internal successors, (236), 179 states have internal predecessors, (236), 26 states have call successors, (26), 15 states have call predecessors, (26), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-21 11:01:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 284 transitions. [2022-07-21 11:01:05,843 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 284 transitions. Word has length 32 [2022-07-21 11:01:05,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:05,844 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 284 transitions. [2022-07-21 11:01:05,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 284 transitions. [2022-07-21 11:01:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-21 11:01:05,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:05,849 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:05,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:01:05,849 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:05,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:05,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1241149330, now seen corresponding path program 1 times [2022-07-21 11:01:05,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:05,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237619864] [2022-07-21 11:01:05,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:05,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:05,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:01:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:05,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:01:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:05,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:01:05,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237619864] [2022-07-21 11:01:05,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237619864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:05,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:05,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:01:05,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951377057] [2022-07-21 11:01:05,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:05,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:01:05,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:01:05,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:01:05,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:01:05,929 INFO L87 Difference]: Start difference. First operand 217 states and 284 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:06,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:06,073 INFO L93 Difference]: Finished difference Result 630 states and 825 transitions. [2022-07-21 11:01:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:01:06,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-21 11:01:06,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:06,078 INFO L225 Difference]: With dead ends: 630 [2022-07-21 11:01:06,078 INFO L226 Difference]: Without dead ends: 425 [2022-07-21 11:01:06,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:06,083 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 154 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:06,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 465 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:01:06,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2022-07-21 11:01:06,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 411. [2022-07-21 11:01:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 337 states have (on average 1.3323442136498516) internal successors, (449), 340 states have internal predecessors, (449), 46 states have call successors, (46), 28 states have call predecessors, (46), 27 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 537 transitions. [2022-07-21 11:01:06,113 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 537 transitions. Word has length 33 [2022-07-21 11:01:06,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:06,114 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 537 transitions. [2022-07-21 11:01:06,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 537 transitions. [2022-07-21 11:01:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-21 11:01:06,116 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:06,116 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:06,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 11:01:06,118 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:06,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:06,119 INFO L85 PathProgramCache]: Analyzing trace with hash 178974154, now seen corresponding path program 1 times [2022-07-21 11:01:06,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:06,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817348953] [2022-07-21 11:01:06,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:06,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:01:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:01:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:06,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:01:06,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817348953] [2022-07-21 11:01:06,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817348953] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:06,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:06,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:01:06,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410343785] [2022-07-21 11:01:06,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:06,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:01:06,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:01:06,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:01:06,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:01:06,187 INFO L87 Difference]: Start difference. First operand 411 states and 537 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:06,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:06,319 INFO L93 Difference]: Finished difference Result 423 states and 548 transitions. [2022-07-21 11:01:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:01:06,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-07-21 11:01:06,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:06,321 INFO L225 Difference]: With dead ends: 423 [2022-07-21 11:01:06,321 INFO L226 Difference]: Without dead ends: 420 [2022-07-21 11:01:06,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:06,322 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 151 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:06,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 466 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:01:06,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-07-21 11:01:06,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 412. [2022-07-21 11:01:06,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 338 states have (on average 1.331360946745562) internal successors, (450), 341 states have internal predecessors, (450), 46 states have call successors, (46), 28 states have call predecessors, (46), 27 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 538 transitions. [2022-07-21 11:01:06,337 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 538 transitions. Word has length 34 [2022-07-21 11:01:06,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:06,338 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 538 transitions. [2022-07-21 11:01:06,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:06,339 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 538 transitions. [2022-07-21 11:01:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-21 11:01:06,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:06,339 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:06,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 11:01:06,339 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:06,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:06,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1253134065, now seen corresponding path program 1 times [2022-07-21 11:01:06,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:06,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129622838] [2022-07-21 11:01:06,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:06,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:01:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:01:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:06,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:01:06,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129622838] [2022-07-21 11:01:06,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129622838] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:06,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:06,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:01:06,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580740690] [2022-07-21 11:01:06,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:06,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:01:06,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:01:06,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:01:06,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:01:06,421 INFO L87 Difference]: Start difference. First operand 412 states and 538 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:06,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:06,485 INFO L93 Difference]: Finished difference Result 420 states and 545 transitions. [2022-07-21 11:01:06,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:01:06,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-07-21 11:01:06,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:06,487 INFO L225 Difference]: With dead ends: 420 [2022-07-21 11:01:06,487 INFO L226 Difference]: Without dead ends: 417 [2022-07-21 11:01:06,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:06,488 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 143 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:06,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:01:06,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2022-07-21 11:01:06,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 411. [2022-07-21 11:01:06,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 338 states have (on average 1.3284023668639053) internal successors, (449), 340 states have internal predecessors, (449), 45 states have call successors, (45), 28 states have call predecessors, (45), 27 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:06,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 536 transitions. [2022-07-21 11:01:06,503 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 536 transitions. Word has length 35 [2022-07-21 11:01:06,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:06,504 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 536 transitions. [2022-07-21 11:01:06,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:06,504 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 536 transitions. [2022-07-21 11:01:06,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-21 11:01:06,505 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:06,505 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:06,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 11:01:06,505 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:06,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:06,506 INFO L85 PathProgramCache]: Analyzing trace with hash 192357805, now seen corresponding path program 1 times [2022-07-21 11:01:06,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:06,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143305267] [2022-07-21 11:01:06,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:06,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:01:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:01:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:06,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:01:06,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143305267] [2022-07-21 11:01:06,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143305267] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:06,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:06,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:01:06,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167537335] [2022-07-21 11:01:06,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:06,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:01:06,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:01:06,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:01:06,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:01:06,563 INFO L87 Difference]: Start difference. First operand 411 states and 536 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:06,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:06,626 INFO L93 Difference]: Finished difference Result 419 states and 543 transitions. [2022-07-21 11:01:06,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:01:06,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-07-21 11:01:06,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:06,629 INFO L225 Difference]: With dead ends: 419 [2022-07-21 11:01:06,631 INFO L226 Difference]: Without dead ends: 407 [2022-07-21 11:01:06,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:06,632 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 140 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:06,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 255 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:01:06,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-07-21 11:01:06,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 401. [2022-07-21 11:01:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 329 states have (on average 1.3282674772036474) internal successors, (437), 330 states have internal predecessors, (437), 44 states have call successors, (44), 28 states have call predecessors, (44), 27 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:06,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 523 transitions. [2022-07-21 11:01:06,650 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 523 transitions. Word has length 36 [2022-07-21 11:01:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:06,656 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 523 transitions. [2022-07-21 11:01:06,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 523 transitions. [2022-07-21 11:01:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-21 11:01:06,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:06,659 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:06,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 11:01:06,660 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:06,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:06,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1754403438, now seen corresponding path program 1 times [2022-07-21 11:01:06,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:06,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099165410] [2022-07-21 11:01:06,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:06,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:01:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:01:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 11:01:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:06,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:01:06,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099165410] [2022-07-21 11:01:06,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099165410] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:06,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:06,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:01:06,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133563301] [2022-07-21 11:01:06,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:06,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:01:06,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:01:06,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:01:06,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:01:06,744 INFO L87 Difference]: Start difference. First operand 401 states and 523 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 11:01:06,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:06,852 INFO L93 Difference]: Finished difference Result 863 states and 1129 transitions. [2022-07-21 11:01:06,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:01:06,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 58 [2022-07-21 11:01:06,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:06,855 INFO L225 Difference]: With dead ends: 863 [2022-07-21 11:01:06,855 INFO L226 Difference]: Without dead ends: 474 [2022-07-21 11:01:06,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:06,857 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 68 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:06,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 367 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:01:06,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-07-21 11:01:06,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 455. [2022-07-21 11:01:06,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 382 states have (on average 1.337696335078534) internal successors, (511), 383 states have internal predecessors, (511), 44 states have call successors, (44), 29 states have call predecessors, (44), 28 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:06,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 597 transitions. [2022-07-21 11:01:06,872 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 597 transitions. Word has length 58 [2022-07-21 11:01:06,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:06,872 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 597 transitions. [2022-07-21 11:01:06,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 11:01:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 597 transitions. [2022-07-21 11:01:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-21 11:01:06,873 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:06,873 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:06,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 11:01:06,874 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:06,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:06,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1129629457, now seen corresponding path program 1 times [2022-07-21 11:01:06,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:06,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558709312] [2022-07-21 11:01:06,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:06,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:01:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:01:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:01:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-21 11:01:06,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:01:06,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558709312] [2022-07-21 11:01:06,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558709312] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:06,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:06,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:01:06,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141126527] [2022-07-21 11:01:06,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:06,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:01:06,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:01:06,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:01:06,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:06,936 INFO L87 Difference]: Start difference. First operand 455 states and 597 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 11:01:07,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:07,154 INFO L93 Difference]: Finished difference Result 1351 states and 1775 transitions. [2022-07-21 11:01:07,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:01:07,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 67 [2022-07-21 11:01:07,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:07,158 INFO L225 Difference]: With dead ends: 1351 [2022-07-21 11:01:07,158 INFO L226 Difference]: Without dead ends: 912 [2022-07-21 11:01:07,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:01:07,159 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 202 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:07,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 755 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 11:01:07,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2022-07-21 11:01:07,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 463. [2022-07-21 11:01:07,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 390 states have (on average 1.3307692307692307) internal successors, (519), 391 states have internal predecessors, (519), 44 states have call successors, (44), 29 states have call predecessors, (44), 28 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 605 transitions. [2022-07-21 11:01:07,188 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 605 transitions. Word has length 67 [2022-07-21 11:01:07,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:07,189 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 605 transitions. [2022-07-21 11:01:07,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 11:01:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 605 transitions. [2022-07-21 11:01:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-21 11:01:07,190 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:07,190 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:07,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 11:01:07,190 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:07,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:07,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1885474161, now seen corresponding path program 1 times [2022-07-21 11:01:07,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:07,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744220346] [2022-07-21 11:01:07,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:07,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:07,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:01:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:07,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:01:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:07,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:01:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:07,286 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-21 11:01:07,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:01:07,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744220346] [2022-07-21 11:01:07,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744220346] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:07,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:07,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:01:07,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318508635] [2022-07-21 11:01:07,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:07,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:01:07,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:01:07,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:01:07,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:07,288 INFO L87 Difference]: Start difference. First operand 463 states and 605 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 11:01:07,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:07,379 INFO L93 Difference]: Finished difference Result 924 states and 1207 transitions. [2022-07-21 11:01:07,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:01:07,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2022-07-21 11:01:07,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:07,381 INFO L225 Difference]: With dead ends: 924 [2022-07-21 11:01:07,381 INFO L226 Difference]: Without dead ends: 469 [2022-07-21 11:01:07,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:01:07,382 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 20 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:07,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 495 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:01:07,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-07-21 11:01:07,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 463. [2022-07-21 11:01:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 390 states have (on average 1.3205128205128205) internal successors, (515), 391 states have internal predecessors, (515), 44 states have call successors, (44), 29 states have call predecessors, (44), 28 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 601 transitions. [2022-07-21 11:01:07,401 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 601 transitions. Word has length 67 [2022-07-21 11:01:07,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:07,402 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 601 transitions. [2022-07-21 11:01:07,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 11:01:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 601 transitions. [2022-07-21 11:01:07,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-21 11:01:07,403 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:07,403 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:07,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 11:01:07,403 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:07,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:07,403 INFO L85 PathProgramCache]: Analyzing trace with hash -101950798, now seen corresponding path program 1 times [2022-07-21 11:01:07,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:07,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827905296] [2022-07-21 11:01:07,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:07,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:07,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:01:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:01:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:01:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:07,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:01:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:07,694 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-21 11:01:07,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:01:07,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827905296] [2022-07-21 11:01:07,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827905296] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:07,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:07,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-21 11:01:07,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136377813] [2022-07-21 11:01:07,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:07,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-21 11:01:07,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:01:07,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-21 11:01:07,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-07-21 11:01:07,696 INFO L87 Difference]: Start difference. First operand 463 states and 601 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-21 11:01:08,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:08,728 INFO L93 Difference]: Finished difference Result 777 states and 1022 transitions. [2022-07-21 11:01:08,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-21 11:01:08,728 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 73 [2022-07-21 11:01:08,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:08,730 INFO L225 Difference]: With dead ends: 777 [2022-07-21 11:01:08,730 INFO L226 Difference]: Without dead ends: 547 [2022-07-21 11:01:08,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2022-07-21 11:01:08,731 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1585 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:08,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 1293 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 11:01:08,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2022-07-21 11:01:08,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 449. [2022-07-21 11:01:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 381 states have (on average 1.3097112860892388) internal successors, (499), 381 states have internal predecessors, (499), 41 states have call successors, (41), 27 states have call predecessors, (41), 26 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-07-21 11:01:08,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 580 transitions. [2022-07-21 11:01:08,778 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 580 transitions. Word has length 73 [2022-07-21 11:01:08,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:08,779 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 580 transitions. [2022-07-21 11:01:08,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 4 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-21 11:01:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 580 transitions. [2022-07-21 11:01:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-21 11:01:08,780 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:08,780 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:08,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 11:01:08,780 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:08,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:08,781 INFO L85 PathProgramCache]: Analyzing trace with hash 368125612, now seen corresponding path program 1 times [2022-07-21 11:01:08,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:01:08,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356421361] [2022-07-21 11:01:08,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:08,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:01:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:01:08,831 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 11:01:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:01:08,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 11:01:08,905 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 11:01:08,906 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 11:01:08,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 11:01:08,909 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:08,912 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 11:01:09,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:01:09 BoogieIcfgContainer [2022-07-21 11:01:09,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 11:01:09,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 11:01:09,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 11:01:09,034 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 11:01:09,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:01:04" (3/4) ... [2022-07-21 11:01:09,036 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 11:01:09,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 11:01:09,037 INFO L158 Benchmark]: Toolchain (without parser) took 5770.49ms. Allocated memory was 67.1MB in the beginning and 195.0MB in the end (delta: 127.9MB). Free memory was 42.5MB in the beginning and 108.8MB in the end (delta: -66.3MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2022-07-21 11:01:09,037 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:01:09,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.47ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 42.3MB in the beginning and 47.3MB in the end (delta: -5.0MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2022-07-21 11:01:09,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.10ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 42.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 11:01:09,038 INFO L158 Benchmark]: Boogie Preprocessor took 84.05ms. Allocated memory is still 90.2MB. Free memory was 42.8MB in the beginning and 58.8MB in the end (delta: -16.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-07-21 11:01:09,038 INFO L158 Benchmark]: RCFGBuilder took 566.44ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 41.7MB in the end (delta: 17.1MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-07-21 11:01:09,039 INFO L158 Benchmark]: TraceAbstraction took 4385.56ms. Allocated memory was 90.2MB in the beginning and 195.0MB in the end (delta: 104.9MB). Free memory was 41.3MB in the beginning and 108.8MB in the end (delta: -67.5MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2022-07-21 11:01:09,039 INFO L158 Benchmark]: Witness Printer took 2.53ms. Allocated memory is still 195.0MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:01:09,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.47ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 42.3MB in the beginning and 47.3MB in the end (delta: -5.0MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.10ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 42.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.05ms. Allocated memory is still 90.2MB. Free memory was 42.8MB in the beginning and 58.8MB in the end (delta: -16.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * RCFGBuilder took 566.44ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 41.7MB in the end (delta: 17.1MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4385.56ms. Allocated memory was 90.2MB in the beginning and 195.0MB in the end (delta: 104.9MB). Free memory was 41.3MB in the beginning and 108.8MB in the end (delta: -67.5MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Witness Printer took 2.53ms. Allocated memory is still 195.0MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3382]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 3552. Possible FailurePath: [L3405] int ldv_state_variable_1 ; [L3406] int LDV_IN_INTERRUPT = 1; [L3407] int usb_counter ; [L3408] int ref_cnt ; [L3409] int ldv_state_variable_0 ; [L3410] struct usb_interface *go7007_loader_driver_group1 ; [L3416-L3421] struct fw_config fw_configs[6U] = { {6467U, 41552U, "go7007/s2250-1.fw", "go7007/s2250-2.fw"}, {2363U, 40962U, "go7007/px-m402u.fw", (char const *)0}, {2363U, 40964U, "go7007/px-tv402u.fw", (char const *)0}, {3761U, 26214U, "go7007/lr192.fw", (char const *)0}, {3761U, 26216U, "go7007/wis-startrek.fw", (char const *)0}, {0U, 0U, (char const *)0, (char const *)0}}; [L3517-L3531] static struct usb_device_id const go7007_loader_ids[6U] = { {3U, 6467U, 41552U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2363U, 40962U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2363U, 40964U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3761U, 26214U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3761U, 26216U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3532] struct usb_device_id const __mod_usb_device_table ; [L3533-L3547] static struct usb_driver go7007_loader_driver = {"go7007-loader", & go7007_loader_probe, & go7007_loader_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& go7007_loader_ids), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3563] int ldv_retval_0 ; [L3564] int ldv_retval_1 ; [L3721] int INTERF_STATE = 0; [L3722] int SERIAL_STATE = 0; [L3723] void *usb_intfdata = 0; [L3724] struct urb *usb_urb = 0; [L3725] struct usb_device *usb_dev = 0; [L3726] int dev_counter = 0; [L3727] int completeFnIntCounter = 0; [L3728] int completeFnBulkCounter = 0; [L3729] void (*completeFnInt)(struct urb * ) ; [L3730] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3578] struct usb_device_id *ldvarg0 ; [L3579] void *tmp ; [L3580] int tmp___0 ; [L3581] int tmp___1 ; [L3582] int tmp___2 ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3584] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3347] void *p ; [L3348] void *tmp ; [L3349] int tmp___0 ; [L3351] tmp___0 = __VERIFIER_nondet_int() [L3352] COND TRUE tmp___0 != 0 [L3353] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=-2, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3584] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(32UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3584] tmp = ldv_zalloc(32UL) [L3585] ldvarg0 = (struct usb_device_id *)tmp [L3586] FCALL ldv_initialize() [L3587] ldv_state_variable_1 = 0 [L3588] ref_cnt = 0 [L3589] ldv_state_variable_0 = 1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3591] tmp___0 = __VERIFIER_nondet_int() [L3593] case 0: [L3623] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3624] COND TRUE ldv_state_variable_0 != 0 [L3625] tmp___2 = __VERIFIER_nondet_int() [L3627] case 0: [L3635] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3636] COND TRUE ldv_state_variable_0 == 1 [L3637] CALL, EXPR go7007_loader_driver_init() [L3550] int tmp ; [L3552] CALL, EXPR ldv_usb_register_driver_4(& go7007_loader_driver, & __this_module, "go7007_loader") [L3693] ldv_func_ret_type ldv_func_res ; [L3694] int tmp ; [L3696] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L3972] return __VERIFIER_nondet_int(); [L3696] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L3696] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L3697] ldv_func_res = tmp [L3698] ldv_state_variable_1 = 1 [L3699] usb_counter = 0 [L3700] CALL ldv_usb_driver_1() [L3569] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3571] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3347] void *p ; [L3348] void *tmp ; [L3349] int tmp___0 ; [L3351] tmp___0 = __VERIFIER_nondet_int() [L3352] COND TRUE tmp___0 != 0 [L3353] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=1520, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=-3, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3571] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_zalloc(1520UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3571] tmp = ldv_zalloc(1520UL) [L3572] go7007_loader_driver_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3700] RET ldv_usb_driver_1() [L3701] return (ldv_func_res); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, ldv_func_arg1={21:0}, ldv_func_arg1={21:0}, ldv_func_arg2={41554:41553}, ldv_func_arg2={41554:41553}, ldv_func_arg3={18:0}, ldv_func_arg3={18:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3552] RET, EXPR ldv_usb_register_driver_4(& go7007_loader_driver, & __this_module, "go7007_loader") [L3552] tmp = ldv_usb_register_driver_4(& go7007_loader_driver, & __this_module, "go7007_loader") [L3553] return (tmp); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3637] RET, EXPR go7007_loader_driver_init() [L3637] ldv_retval_1 = go7007_loader_driver_init() [L3638] COND TRUE ldv_retval_1 == 0 [L3639] ldv_state_variable_0 = 3 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3642] COND FALSE !(ldv_retval_1 != 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3591] tmp___0 = __VERIFIER_nondet_int() [L3593] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3594] COND TRUE ldv_state_variable_1 != 0 [L3595] tmp___1 = __VERIFIER_nondet_int() [L3597] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3598] COND TRUE ldv_state_variable_1 == 1 [L3599] CALL, EXPR go7007_loader_probe(go7007_loader_driver_group1, (struct usb_device_id const *)ldvarg0) [L3424] struct usb_device *usbdev ; [L3425] struct firmware const *fw ; [L3426] u16 vendor ; [L3427] u16 product ; [L3428] char const *fw1 ; [L3429] char const *fw2 ; [L3430] int ret ; [L3431] int i ; [L3432] struct usb_device *tmp ; [L3433] int tmp___0 ; [L3434] int tmp___1 ; [L3436] CALL, EXPR interface_to_usbdev(interface) [L3669] struct usb_device *tmp ; [L3671] CALL, EXPR ldv_interface_to_usbdev() [L3816] void *result ; [L3817] void *tmp ; [L3819] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) [L3330] void *p ; [L3331] void *tmp ; [L3332] int tmp___0 ; [L3334] tmp___0 = __VERIFIER_nondet_int() [L3335] COND FALSE !(tmp___0 != 0) [L3338] tmp = malloc(size) [L3339] p = tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3340] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3326] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3340] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3341] return (p); VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3819] RET, EXPR ldv_malloc(sizeof(struct usb_device)) [L3819] tmp = ldv_malloc(sizeof(struct usb_device)) [L3820] result = tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-18446744073709551617:0}, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3821] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-18446744073709551617:0}, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3825] return (result); VAL [={0:0}, ={0:0}, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-18446744073709551617:0}, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3671] RET, EXPR ldv_interface_to_usbdev() [L3671] tmp = ldv_interface_to_usbdev() [L3672] return (tmp); VAL [={0:0}, ={0:0}, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3436] RET, EXPR interface_to_usbdev(interface) [L3436] tmp = interface_to_usbdev(interface) [L3437] CALL, EXPR ldv_usb_get_dev_2(tmp) [L3677] struct usb_device *tmp ; [L3679] CALL, EXPR ldv_get_dev(ldv_func_arg1) [L3830] int tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551617:0}, data={-18446744073709551617:0}, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3832] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551617:0}, data={-18446744073709551617:0}, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3833] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3364] int tmp ; [L3366] tmp = __VERIFIER_nondet_int() [L3367] return (tmp); VAL [={0:0}, ={0:0}, \result=43, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=43, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3833] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551617:0}, data={-18446744073709551617:0}, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_undef_int()=43, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3833] tmp = ldv_undef_int() [L3834] COND TRUE \read(tmp) [L3835] dev_counter = dev_counter + 1 [L3836] usb_dev = data VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551617:0}, data={-18446744073709551617:0}, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=43, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3844] return (usb_dev); VAL [={0:0}, ={0:0}, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551617:0}, data={-18446744073709551617:0}, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=43, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] RET, EXPR ldv_get_dev(ldv_func_arg1) [L3679] tmp = ldv_get_dev(ldv_func_arg1) [L3680] return (tmp); VAL [={0:0}, ={0:0}, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, ldv_func_arg1={-18446744073709551617:0}, ldv_func_arg1={-18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3437] RET, EXPR ldv_usb_get_dev_2(tmp) [L3437] usbdev = ldv_usb_get_dev_2(tmp) [L3438] COND FALSE !((unsigned long )usbdev == (unsigned long )((struct usb_device *)0)) [L3442] EXPR usbdev->descriptor.bNumConfigurations VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw={28:0}, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, id={0:0}, id={0:0}, INTERF_STATE=0, interface={0:0}, interface={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbdev={-18446744073709551617:0}, usbdev->descriptor.bNumConfigurations=34] [L3442] COND TRUE (unsigned int )usbdev->descriptor.bNumConfigurations != 1U [L3444] return (-19); [L3444] return (-19); VAL [={0:0}, ={0:0}, \result=-19, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, id={0:0}, id={0:0}, INTERF_STATE=0, interface={0:0}, interface={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbdev={-18446744073709551617:0}] [L3599] RET, EXPR go7007_loader_probe(go7007_loader_driver_group1, (struct usb_device_id const *)ldvarg0) [L3599] ldv_retval_0 = go7007_loader_probe(go7007_loader_driver_group1, (struct usb_device_id const *)ldvarg0) [L3600] COND FALSE !(ldv_retval_0 == 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3591] tmp___0 = __VERIFIER_nondet_int() [L3593] case 0: [L3623] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3624] COND TRUE ldv_state_variable_0 != 0 [L3625] tmp___2 = __VERIFIER_nondet_int() [L3627] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3628] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L3629] CALL go7007_loader_driver_exit() [L3559] CALL ldv_usb_deregister_5(& go7007_loader_driver) [L3707] FCALL usb_deregister(arg) [L3708] ldv_state_variable_1 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, arg={21:0}, arg={21:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3559] RET ldv_usb_deregister_5(& go7007_loader_driver) [L3629] RET go7007_loader_driver_exit() [L3630] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3663] CALL ldv_check_final_state() [L3922] COND TRUE (unsigned long )usb_urb == (unsigned long )((struct urb *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3926] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3928] CALL ldv_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3382] reach_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={41554:41553}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551617:0}, usb_intfdata={0:0}, usb_urb={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 137 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3024 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2939 mSDsluCounter, 5348 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3295 mSDsCounter, 402 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1237 IncrementalHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 402 mSolverCounterUnsat, 2053 mSDtfsCounter, 1237 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred in iteration=9, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 631 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 562 NumberOfCodeBlocks, 562 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 478 ConstructedInterpolants, 0 QuantifiedInterpolants, 1271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 69/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-21 11:01:09,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 570f71a4ef125473e8d858d9fb4e2164a899b7ee95a6020ace877d8b3dd9ef52 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:01:10,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:01:10,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:01:10,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:01:10,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:01:10,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:01:10,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:01:10,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:01:10,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:01:10,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:01:10,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:01:10,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:01:10,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:01:10,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:01:10,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:01:10,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:01:10,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:01:10,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:01:10,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:01:10,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:01:10,725 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:01:10,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:01:10,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:01:10,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:01:10,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:01:10,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:01:10,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:01:10,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:01:10,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:01:10,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:01:10,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:01:10,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:01:10,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:01:10,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:01:10,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:01:10,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:01:10,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:01:10,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:01:10,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:01:10,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:01:10,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:01:10,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:01:10,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:01:10,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:01:10,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:01:10,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:01:10,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:01:10,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:01:10,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:01:10,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:01:10,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:01:10,772 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:01:10,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:01:10,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:01:10,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:01:10,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:01:10,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:01:10,773 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:01:10,781 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:01:10,782 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:01:10,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:01:10,782 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:01:10,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:01:10,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:01:10,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:01:10,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:01:10,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:01:10,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:01:10,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:01:10,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:01:10,784 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:01:10,784 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:01:10,784 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:01:10,784 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:01:10,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:01:10,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:01:10,785 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 570f71a4ef125473e8d858d9fb4e2164a899b7ee95a6020ace877d8b3dd9ef52 [2022-07-21 11:01:11,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:01:11,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:01:11,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:01:11,031 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:01:11,031 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:01:11,032 INFO L432 ainManager$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--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i [2022-07-21 11:01:11,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66cc9d989/a832cc62d7ce4c23b10c6159baa84fd2/FLAG7d538087c [2022-07-21 11:01:11,566 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:01:11,567 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--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i [2022-07-21 11:01:11,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66cc9d989/a832cc62d7ce4c23b10c6159baa84fd2/FLAG7d538087c [2022-07-21 11:01:11,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66cc9d989/a832cc62d7ce4c23b10c6159baa84fd2 [2022-07-21 11:01:11,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:01:11,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:01:11,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:01:11,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:01:11,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:01:11,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:01:11" (1/1) ... [2022-07-21 11:01:11,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdb5b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:11, skipping insertion in model container [2022-07-21 11:01:11,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:01:11" (1/1) ... [2022-07-21 11:01:11,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:01:11,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:01:12,011 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--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i[94831,94844] [2022-07-21 11:01:12,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:01:12,176 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:01:12,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:01:12,249 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--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i[94831,94844] [2022-07-21 11:01:12,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:01:12,290 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:01:12,355 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--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i[94831,94844] [2022-07-21 11:01:12,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:01:12,418 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:01:12,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12 WrapperNode [2022-07-21 11:01:12,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:01:12,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:01:12,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:01:12,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:01:12,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12" (1/1) ... [2022-07-21 11:01:12,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12" (1/1) ... [2022-07-21 11:01:12,501 INFO L137 Inliner]: procedures = 78, calls = 242, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 549 [2022-07-21 11:01:12,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:01:12,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:01:12,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:01:12,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:01:12,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12" (1/1) ... [2022-07-21 11:01:12,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12" (1/1) ... [2022-07-21 11:01:12,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12" (1/1) ... [2022-07-21 11:01:12,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12" (1/1) ... [2022-07-21 11:01:12,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12" (1/1) ... [2022-07-21 11:01:12,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12" (1/1) ... [2022-07-21 11:01:12,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12" (1/1) ... [2022-07-21 11:01:12,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:01:12,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:01:12,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:01:12,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:01:12,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12" (1/1) ... [2022-07-21 11:01:12,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:01:12,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:01:12,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:01:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:01:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:01:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 11:01:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 11:01:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:01:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 11:01:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:01:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:01:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:01:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:01:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:01:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure cypress_load_firmware [2022-07-21 11:01:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cypress_load_firmware [2022-07-21 11:01:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 11:01:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_disconnect [2022-07-21 11:01:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_disconnect [2022-07-21 11:01:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:01:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:01:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 11:01:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:01:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:01:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-21 11:01:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-21 11:01:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-21 11:01:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-21 11:01:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:01:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:01:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:01:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-21 11:01:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-21 11:01:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:01:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:01:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:01:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:01:12,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:01:12,861 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:01:12,862 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:01:12,944 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-21 11:01:12,976 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:01:13,359 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:01:13,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:01:13,367 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:01:13,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:01:13 BoogieIcfgContainer [2022-07-21 11:01:13,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:01:13,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:01:13,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:01:13,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:01:13,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:01:11" (1/3) ... [2022-07-21 11:01:13,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14628de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:01:13, skipping insertion in model container [2022-07-21 11:01:13,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:01:12" (2/3) ... [2022-07-21 11:01:13,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14628de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:01:13, skipping insertion in model container [2022-07-21 11:01:13,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:01:13" (3/3) ... [2022-07-21 11:01:13,377 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i [2022-07-21 11:01:13,388 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:01:13,388 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:01:13,432 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:01:13,438 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2cc68b20, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@26b64d1c [2022-07-21 11:01:13,438 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:01:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 104 states have (on average 1.4038461538461537) internal successors, (146), 114 states have internal predecessors, (146), 21 states have call successors, (21), 10 states have call predecessors, (21), 8 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-07-21 11:01:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 11:01:13,448 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:13,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:13,449 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:13,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:13,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1946969106, now seen corresponding path program 1 times [2022-07-21 11:01:13,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:13,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413430145] [2022-07-21 11:01:13,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:13,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:13,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:13,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:13,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 11:01:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:13,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:01:13,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:01:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 11:01:13,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:01:13,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:01:13,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413430145] [2022-07-21 11:01:13,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413430145] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:13,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:13,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:01:13,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979752009] [2022-07-21 11:01:13,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:13,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:01:13,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:01:13,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:01:13,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:13,836 INFO L87 Difference]: Start difference. First operand has 135 states, 104 states have (on average 1.4038461538461537) internal successors, (146), 114 states have internal predecessors, (146), 21 states have call successors, (21), 10 states have call predecessors, (21), 8 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 11:01:13,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:13,945 INFO L93 Difference]: Finished difference Result 366 states and 508 transitions. [2022-07-21 11:01:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:01:13,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-07-21 11:01:13,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:13,966 INFO L225 Difference]: With dead ends: 366 [2022-07-21 11:01:13,966 INFO L226 Difference]: Without dead ends: 218 [2022-07-21 11:01:13,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:13,970 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 137 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:13,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 352 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:01:13,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-07-21 11:01:14,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2022-07-21 11:01:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 176 states have (on average 1.3522727272727273) internal successors, (238), 180 states have internal predecessors, (238), 27 states have call successors, (27), 15 states have call predecessors, (27), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-21 11:01:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2022-07-21 11:01:14,016 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 22 [2022-07-21 11:01:14,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:14,016 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2022-07-21 11:01:14,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 11:01:14,016 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2022-07-21 11:01:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 11:01:14,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:14,018 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:14,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:14,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:14,232 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:14,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:14,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1842370729, now seen corresponding path program 1 times [2022-07-21 11:01:14,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:14,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225644244] [2022-07-21 11:01:14,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:14,234 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:14,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:14,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:14,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 11:01:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:14,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:01:14,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:01:14,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:14,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:01:14,498 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:01:14,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225644244] [2022-07-21 11:01:14,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225644244] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:14,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:14,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:01:14,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870830926] [2022-07-21 11:01:14,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:14,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:01:14,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:01:14,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:01:14,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:14,502 INFO L87 Difference]: Start difference. First operand 218 states and 287 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:14,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:14,557 INFO L93 Difference]: Finished difference Result 244 states and 319 transitions. [2022-07-21 11:01:14,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:01:14,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-21 11:01:14,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:14,561 INFO L225 Difference]: With dead ends: 244 [2022-07-21 11:01:14,561 INFO L226 Difference]: Without dead ends: 231 [2022-07-21 11:01:14,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:14,562 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 157 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:14,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 193 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:01:14,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-07-21 11:01:14,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 218. [2022-07-21 11:01:14,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 176 states have (on average 1.3465909090909092) internal successors, (237), 180 states have internal predecessors, (237), 27 states have call successors, (27), 15 states have call predecessors, (27), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-21 11:01:14,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 286 transitions. [2022-07-21 11:01:14,588 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 286 transitions. Word has length 32 [2022-07-21 11:01:14,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:14,588 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 286 transitions. [2022-07-21 11:01:14,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 286 transitions. [2022-07-21 11:01:14,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 11:01:14,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:14,593 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:14,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:14,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:14,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:14,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:14,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1899629031, now seen corresponding path program 1 times [2022-07-21 11:01:14,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:14,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073541517] [2022-07-21 11:01:14,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:14,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:14,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:14,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:14,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 11:01:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:15,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:01:15,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:01:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:15,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:01:15,220 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:01:15,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073541517] [2022-07-21 11:01:15,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073541517] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:15,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:15,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:01:15,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242343313] [2022-07-21 11:01:15,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:15,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:01:15,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:01:15,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:01:15,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:15,222 INFO L87 Difference]: Start difference. First operand 218 states and 286 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:15,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:15,232 INFO L93 Difference]: Finished difference Result 220 states and 287 transitions. [2022-07-21 11:01:15,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:01:15,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-21 11:01:15,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:15,234 INFO L225 Difference]: With dead ends: 220 [2022-07-21 11:01:15,234 INFO L226 Difference]: Without dead ends: 217 [2022-07-21 11:01:15,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:15,235 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 134 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:15,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 159 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:01:15,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-07-21 11:01:15,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-07-21 11:01:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 176 states have (on average 1.3409090909090908) internal successors, (236), 179 states have internal predecessors, (236), 26 states have call successors, (26), 15 states have call predecessors, (26), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-21 11:01:15,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 284 transitions. [2022-07-21 11:01:15,246 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 284 transitions. Word has length 32 [2022-07-21 11:01:15,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:15,246 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 284 transitions. [2022-07-21 11:01:15,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:15,247 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 284 transitions. [2022-07-21 11:01:15,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-21 11:01:15,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:15,247 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:15,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:15,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:15,461 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:15,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:15,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1241149330, now seen corresponding path program 1 times [2022-07-21 11:01:15,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:15,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795542344] [2022-07-21 11:01:15,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:15,462 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:15,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:15,464 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:15,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 11:01:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:15,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:01:15,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:01:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:15,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:01:15,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:01:15,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795542344] [2022-07-21 11:01:15,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795542344] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:15,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:15,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:01:15,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850935072] [2022-07-21 11:01:15,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:15,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:01:15,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:01:15,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:01:15,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:15,824 INFO L87 Difference]: Start difference. First operand 217 states and 284 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:15,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:15,876 INFO L93 Difference]: Finished difference Result 624 states and 819 transitions. [2022-07-21 11:01:15,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:01:15,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-21 11:01:15,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:15,881 INFO L225 Difference]: With dead ends: 624 [2022-07-21 11:01:15,881 INFO L226 Difference]: Without dead ends: 419 [2022-07-21 11:01:15,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:15,889 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 127 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:15,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 364 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:01:15,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2022-07-21 11:01:15,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 411. [2022-07-21 11:01:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 337 states have (on average 1.3323442136498516) internal successors, (449), 340 states have internal predecessors, (449), 46 states have call successors, (46), 28 states have call predecessors, (46), 27 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:15,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 537 transitions. [2022-07-21 11:01:15,940 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 537 transitions. Word has length 33 [2022-07-21 11:01:15,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:15,940 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 537 transitions. [2022-07-21 11:01:15,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 537 transitions. [2022-07-21 11:01:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-21 11:01:15,941 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:15,942 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:15,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:16,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:16,154 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:16,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:16,155 INFO L85 PathProgramCache]: Analyzing trace with hash 178974154, now seen corresponding path program 1 times [2022-07-21 11:01:16,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:16,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791462053] [2022-07-21 11:01:16,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:16,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:16,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:16,157 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:16,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 11:01:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:16,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:01:16,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:01:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:16,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:01:16,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:01:16,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791462053] [2022-07-21 11:01:16,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791462053] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:16,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:16,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:01:16,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681335668] [2022-07-21 11:01:16,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:16,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:01:16,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:01:16,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:01:16,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:16,429 INFO L87 Difference]: Start difference. First operand 411 states and 537 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:16,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:16,450 INFO L93 Difference]: Finished difference Result 417 states and 542 transitions. [2022-07-21 11:01:16,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:01:16,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-07-21 11:01:16,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:16,452 INFO L225 Difference]: With dead ends: 417 [2022-07-21 11:01:16,452 INFO L226 Difference]: Without dead ends: 414 [2022-07-21 11:01:16,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:16,453 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 124 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:16,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 364 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:01:16,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-07-21 11:01:16,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 412. [2022-07-21 11:01:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 338 states have (on average 1.331360946745562) internal successors, (450), 341 states have internal predecessors, (450), 46 states have call successors, (46), 28 states have call predecessors, (46), 27 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 538 transitions. [2022-07-21 11:01:16,468 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 538 transitions. Word has length 34 [2022-07-21 11:01:16,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:16,468 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 538 transitions. [2022-07-21 11:01:16,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 538 transitions. [2022-07-21 11:01:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-21 11:01:16,469 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:16,469 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:16,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:16,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:16,692 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:16,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:16,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1253134065, now seen corresponding path program 1 times [2022-07-21 11:01:16,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:16,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076295930] [2022-07-21 11:01:16,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:16,694 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:16,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:16,695 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:16,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 11:01:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:16,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:01:16,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:01:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:16,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:01:16,965 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:01:16,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076295930] [2022-07-21 11:01:16,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076295930] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:16,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:16,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:01:16,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255406757] [2022-07-21 11:01:16,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:16,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:01:16,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:01:16,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:01:16,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:16,966 INFO L87 Difference]: Start difference. First operand 412 states and 538 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:16,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:16,976 INFO L93 Difference]: Finished difference Result 414 states and 539 transitions. [2022-07-21 11:01:16,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:01:16,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-07-21 11:01:16,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:16,978 INFO L225 Difference]: With dead ends: 414 [2022-07-21 11:01:16,978 INFO L226 Difference]: Without dead ends: 411 [2022-07-21 11:01:16,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:16,979 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 129 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:16,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 157 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:01:16,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-07-21 11:01:16,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2022-07-21 11:01:16,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 338 states have (on average 1.3284023668639053) internal successors, (449), 340 states have internal predecessors, (449), 45 states have call successors, (45), 28 states have call predecessors, (45), 27 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:16,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 536 transitions. [2022-07-21 11:01:16,991 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 536 transitions. Word has length 35 [2022-07-21 11:01:16,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:16,991 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 536 transitions. [2022-07-21 11:01:16,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:16,991 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 536 transitions. [2022-07-21 11:01:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-21 11:01:16,991 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:16,992 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:17,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:17,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:17,203 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:17,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:17,204 INFO L85 PathProgramCache]: Analyzing trace with hash 192357805, now seen corresponding path program 1 times [2022-07-21 11:01:17,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:17,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786369222] [2022-07-21 11:01:17,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:17,204 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:17,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:17,205 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:17,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 11:01:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:17,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:01:17,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:01:17,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:01:17,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:01:17,491 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:01:17,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786369222] [2022-07-21 11:01:17,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786369222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:17,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:17,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:01:17,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355345071] [2022-07-21 11:01:17,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:17,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:01:17,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:01:17,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:01:17,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:17,492 INFO L87 Difference]: Start difference. First operand 411 states and 536 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:17,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:17,501 INFO L93 Difference]: Finished difference Result 413 states and 537 transitions. [2022-07-21 11:01:17,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:01:17,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-07-21 11:01:17,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:17,503 INFO L225 Difference]: With dead ends: 413 [2022-07-21 11:01:17,503 INFO L226 Difference]: Without dead ends: 401 [2022-07-21 11:01:17,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:17,504 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 126 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:17,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:01:17,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-07-21 11:01:17,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2022-07-21 11:01:17,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 329 states have (on average 1.3282674772036474) internal successors, (437), 330 states have internal predecessors, (437), 44 states have call successors, (44), 28 states have call predecessors, (44), 27 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:17,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 523 transitions. [2022-07-21 11:01:17,516 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 523 transitions. Word has length 36 [2022-07-21 11:01:17,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:17,516 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 523 transitions. [2022-07-21 11:01:17,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 11:01:17,517 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 523 transitions. [2022-07-21 11:01:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-21 11:01:17,517 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:17,518 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:17,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:17,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:17,729 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:17,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:17,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1754403438, now seen corresponding path program 1 times [2022-07-21 11:01:17,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:17,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717264044] [2022-07-21 11:01:17,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:17,731 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:17,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:17,732 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:17,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 11:01:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:18,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:01:18,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:01:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 11:01:18,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:01:18,049 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:01:18,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717264044] [2022-07-21 11:01:18,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717264044] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:18,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:18,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:01:18,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836692182] [2022-07-21 11:01:18,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:18,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:01:18,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:01:18,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:01:18,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:18,050 INFO L87 Difference]: Start difference. First operand 401 states and 523 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 11:01:18,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:18,104 INFO L93 Difference]: Finished difference Result 857 states and 1123 transitions. [2022-07-21 11:01:18,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:01:18,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 58 [2022-07-21 11:01:18,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:18,106 INFO L225 Difference]: With dead ends: 857 [2022-07-21 11:01:18,106 INFO L226 Difference]: Without dead ends: 468 [2022-07-21 11:01:18,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:01:18,107 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 43 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:18,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 294 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:01:18,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2022-07-21 11:01:18,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 455. [2022-07-21 11:01:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 382 states have (on average 1.337696335078534) internal successors, (511), 383 states have internal predecessors, (511), 44 states have call successors, (44), 29 states have call predecessors, (44), 28 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 597 transitions. [2022-07-21 11:01:18,120 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 597 transitions. Word has length 58 [2022-07-21 11:01:18,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:18,120 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 597 transitions. [2022-07-21 11:01:18,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 11:01:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 597 transitions. [2022-07-21 11:01:18,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-21 11:01:18,122 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:18,122 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:18,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:18,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:18,343 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:18,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:18,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1129629457, now seen corresponding path program 1 times [2022-07-21 11:01:18,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:18,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165804460] [2022-07-21 11:01:18,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:18,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:18,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:18,347 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:18,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 11:01:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:18,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 11:01:18,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:01:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-21 11:01:18,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:01:18,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:01:18,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165804460] [2022-07-21 11:01:18,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165804460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:18,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:18,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:01:18,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831930462] [2022-07-21 11:01:18,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:18,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:01:18,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:01:18,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:01:18,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:01:18,705 INFO L87 Difference]: Start difference. First operand 455 states and 597 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 11:01:18,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:18,745 INFO L93 Difference]: Finished difference Result 902 states and 1185 transitions. [2022-07-21 11:01:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:01:18,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2022-07-21 11:01:18,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:18,747 INFO L225 Difference]: With dead ends: 902 [2022-07-21 11:01:18,747 INFO L226 Difference]: Without dead ends: 455 [2022-07-21 11:01:18,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:18,748 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:18,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 453 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:01:18,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2022-07-21 11:01:18,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2022-07-21 11:01:18,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 382 states have (on average 1.3272251308900525) internal successors, (507), 383 states have internal predecessors, (507), 44 states have call successors, (44), 29 states have call predecessors, (44), 28 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 11:01:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 593 transitions. [2022-07-21 11:01:18,760 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 593 transitions. Word has length 67 [2022-07-21 11:01:18,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:18,761 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 593 transitions. [2022-07-21 11:01:18,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 11:01:18,761 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 593 transitions. [2022-07-21 11:01:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-21 11:01:18,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:18,762 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:18,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:18,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:18,976 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:18,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:18,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1177912880, now seen corresponding path program 1 times [2022-07-21 11:01:18,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:18,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630433679] [2022-07-21 11:01:18,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:18,977 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:18,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:18,978 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:18,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 11:01:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:19,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-21 11:01:19,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:01:19,502 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-21 11:01:19,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:01:19,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:01:19,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630433679] [2022-07-21 11:01:19,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630433679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:19,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:19,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 11:01:19,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938861053] [2022-07-21 11:01:19,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:19,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 11:01:19,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:01:19,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 11:01:19,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:01:19,504 INFO L87 Difference]: Start difference. First operand 455 states and 593 transitions. Second operand has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-21 11:01:20,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:20,585 INFO L93 Difference]: Finished difference Result 759 states and 1003 transitions. [2022-07-21 11:01:20,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-21 11:01:20,585 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 73 [2022-07-21 11:01:20,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:20,588 INFO L225 Difference]: With dead ends: 759 [2022-07-21 11:01:20,588 INFO L226 Difference]: Without dead ends: 533 [2022-07-21 11:01:20,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=259, Invalid=611, Unknown=0, NotChecked=0, Total=870 [2022-07-21 11:01:20,590 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1400 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1400 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:20,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1400 Valid, 1492 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 11:01:20,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2022-07-21 11:01:20,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 441. [2022-07-21 11:01:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 373 states have (on average 1.3163538873994638) internal successors, (491), 373 states have internal predecessors, (491), 41 states have call successors, (41), 27 states have call predecessors, (41), 26 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-07-21 11:01:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 572 transitions. [2022-07-21 11:01:20,612 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 572 transitions. Word has length 73 [2022-07-21 11:01:20,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:20,613 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 572 transitions. [2022-07-21 11:01:20,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-21 11:01:20,613 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 572 transitions. [2022-07-21 11:01:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-21 11:01:20,615 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:20,615 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:20,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:20,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:20,827 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:20,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:20,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1647989290, now seen corresponding path program 1 times [2022-07-21 11:01:20,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:20,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460867086] [2022-07-21 11:01:20,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:20,829 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:20,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:20,830 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:20,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 11:01:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:01:21,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:01:21,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:01:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-21 11:01:21,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:01:21,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:01:21,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460867086] [2022-07-21 11:01:21,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1460867086] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:01:21,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:01:21,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:01:21,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38445680] [2022-07-21 11:01:21,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:01:21,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:01:21,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:01:21,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:01:21,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:01:21,224 INFO L87 Difference]: Start difference. First operand 441 states and 572 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-21 11:01:21,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:01:21,344 INFO L93 Difference]: Finished difference Result 1299 states and 1690 transitions. [2022-07-21 11:01:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:01:21,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 73 [2022-07-21 11:01:21,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:01:21,348 INFO L225 Difference]: With dead ends: 1299 [2022-07-21 11:01:21,348 INFO L226 Difference]: Without dead ends: 874 [2022-07-21 11:01:21,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:01:21,349 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 187 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:01:21,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 647 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:01:21,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2022-07-21 11:01:21,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 449. [2022-07-21 11:01:21,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 381 states have (on average 1.3097112860892388) internal successors, (499), 381 states have internal predecessors, (499), 41 states have call successors, (41), 27 states have call predecessors, (41), 26 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-07-21 11:01:21,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 580 transitions. [2022-07-21 11:01:21,378 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 580 transitions. Word has length 73 [2022-07-21 11:01:21,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:01:21,379 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 580 transitions. [2022-07-21 11:01:21,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-21 11:01:21,379 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 580 transitions. [2022-07-21 11:01:21,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-21 11:01:21,381 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:01:21,381 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:21,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:21,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:21,591 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:01:21,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:01:21,592 INFO L85 PathProgramCache]: Analyzing trace with hash 368125612, now seen corresponding path program 1 times [2022-07-21 11:01:21,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:01:21,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24363524] [2022-07-21 11:01:21,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:01:21,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:01:21,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:01:21,594 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:01:21,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 11:01:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:01:23,481 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 11:01:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:01:25,462 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-21 11:01:25,462 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 11:01:25,463 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 11:01:25,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-21 11:01:25,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:01:25,688 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:01:25,690 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 11:01:25,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:01:25 BoogieIcfgContainer [2022-07-21 11:01:25,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 11:01:25,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 11:01:25,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 11:01:25,820 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 11:01:25,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:01:13" (3/4) ... [2022-07-21 11:01:25,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 11:01:25,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 11:01:25,822 INFO L158 Benchmark]: Toolchain (without parser) took 14212.03ms. Allocated memory was 54.5MB in the beginning and 188.7MB in the end (delta: 134.2MB). Free memory was 28.0MB in the beginning and 104.5MB in the end (delta: -76.5MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2022-07-21 11:01:25,823 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:01:25,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 808.24ms. Allocated memory was 54.5MB in the beginning and 102.8MB in the end (delta: 48.2MB). Free memory was 27.8MB in the beginning and 61.0MB in the end (delta: -33.2MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2022-07-21 11:01:25,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.50ms. Allocated memory is still 102.8MB. Free memory was 61.0MB in the beginning and 56.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 11:01:25,823 INFO L158 Benchmark]: Boogie Preprocessor took 80.53ms. Allocated memory is still 102.8MB. Free memory was 56.5MB in the beginning and 52.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 11:01:25,824 INFO L158 Benchmark]: RCFGBuilder took 785.98ms. Allocated memory is still 102.8MB. Free memory was 51.6MB in the beginning and 46.6MB in the end (delta: 5.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-07-21 11:01:25,824 INFO L158 Benchmark]: TraceAbstraction took 12448.33ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 45.7MB in the beginning and 104.5MB in the end (delta: -58.9MB). Peak memory consumption was 87.8MB. Max. memory is 16.1GB. [2022-07-21 11:01:25,824 INFO L158 Benchmark]: Witness Printer took 2.56ms. Allocated memory is still 188.7MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:01:25,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 808.24ms. Allocated memory was 54.5MB in the beginning and 102.8MB in the end (delta: 48.2MB). Free memory was 27.8MB in the beginning and 61.0MB in the end (delta: -33.2MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.50ms. Allocated memory is still 102.8MB. Free memory was 61.0MB in the beginning and 56.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.53ms. Allocated memory is still 102.8MB. Free memory was 56.5MB in the beginning and 52.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 785.98ms. Allocated memory is still 102.8MB. Free memory was 51.6MB in the beginning and 46.6MB in the end (delta: 5.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12448.33ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 45.7MB in the beginning and 104.5MB in the end (delta: -58.9MB). Peak memory consumption was 87.8MB. Max. memory is 16.1GB. * Witness Printer took 2.56ms. Allocated memory is still 188.7MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3382]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 3552. Possible FailurePath: [L3405] int ldv_state_variable_1 ; [L3406] int LDV_IN_INTERRUPT = 1; [L3407] int usb_counter ; [L3408] int ref_cnt ; [L3409] int ldv_state_variable_0 ; [L3410] struct usb_interface *go7007_loader_driver_group1 ; [L3416-L3421] struct fw_config fw_configs[6U] = { {6467U, 41552U, "go7007/s2250-1.fw", "go7007/s2250-2.fw"}, {2363U, 40962U, "go7007/px-m402u.fw", (char const *)0}, {2363U, 40964U, "go7007/px-tv402u.fw", (char const *)0}, {3761U, 26214U, "go7007/lr192.fw", (char const *)0}, {3761U, 26216U, "go7007/wis-startrek.fw", (char const *)0}, {0U, 0U, (char const *)0, (char const *)0}}; [L3517-L3531] static struct usb_device_id const go7007_loader_ids[6U] = { {3U, 6467U, 41552U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2363U, 40962U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2363U, 40964U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3761U, 26214U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3761U, 26216U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3532] struct usb_device_id const __mod_usb_device_table ; [L3533-L3547] static struct usb_driver go7007_loader_driver = {"go7007-loader", & go7007_loader_probe, & go7007_loader_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& go7007_loader_ids), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3563] int ldv_retval_0 ; [L3564] int ldv_retval_1 ; [L3721] int INTERF_STATE = 0; [L3722] int SERIAL_STATE = 0; [L3723] void *usb_intfdata = 0; [L3724] struct urb *usb_urb = 0; [L3725] struct usb_device *usb_dev = 0; [L3726] int dev_counter = 0; [L3727] int completeFnIntCounter = 0; [L3728] int completeFnBulkCounter = 0; [L3729] void (*completeFnInt)(struct urb * ) ; [L3730] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3578] struct usb_device_id *ldvarg0 ; [L3579] void *tmp ; [L3580] int tmp___0 ; [L3581] int tmp___1 ; [L3582] int tmp___2 ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3584] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3347] void *p ; [L3348] void *tmp ; [L3349] int tmp___0 ; [L3351] tmp___0 = __VERIFIER_nondet_int() [L3352] COND TRUE tmp___0 != 0 [L3353] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=2147483648, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3584] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(32UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3584] tmp = ldv_zalloc(32UL) [L3585] ldvarg0 = (struct usb_device_id *)tmp [L3586] FCALL ldv_initialize() [L3587] ldv_state_variable_1 = 0 [L3588] ref_cnt = 0 [L3589] ldv_state_variable_0 = 1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3591] tmp___0 = __VERIFIER_nondet_int() [L3593] case 0: [L3623] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3624] COND TRUE ldv_state_variable_0 != 0 [L3625] tmp___2 = __VERIFIER_nondet_int() [L3627] case 0: [L3635] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3636] COND TRUE ldv_state_variable_0 == 1 [L3637] CALL, EXPR go7007_loader_driver_init() [L3550] int tmp ; [L3552] CALL, EXPR ldv_usb_register_driver_4(& go7007_loader_driver, & __this_module, "go7007_loader") [L3693] ldv_func_ret_type ldv_func_res ; [L3694] int tmp ; [L3696] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L3972] return __VERIFIER_nondet_int(); [L3696] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L3696] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L3697] ldv_func_res = tmp [L3698] ldv_state_variable_1 = 1 [L3699] usb_counter = 0 [L3700] CALL ldv_usb_driver_1() [L3569] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3571] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3347] void *p ; [L3348] void *tmp ; [L3349] int tmp___0 ; [L3351] tmp___0 = __VERIFIER_nondet_int() [L3352] COND TRUE tmp___0 != 0 [L3353] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=1520, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=2147483648, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3571] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_zalloc(1520UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3571] tmp = ldv_zalloc(1520UL) [L3572] go7007_loader_driver_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3700] RET ldv_usb_driver_1() [L3701] return (ldv_func_res); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, ldv_func_arg1={21:0}, ldv_func_arg1={21:0}, ldv_func_arg2={151:152}, ldv_func_arg2={151:152}, ldv_func_arg3={18:0}, ldv_func_arg3={18:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3552] RET, EXPR ldv_usb_register_driver_4(& go7007_loader_driver, & __this_module, "go7007_loader") [L3552] tmp = ldv_usb_register_driver_4(& go7007_loader_driver, & __this_module, "go7007_loader") [L3553] return (tmp); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3637] RET, EXPR go7007_loader_driver_init() [L3637] ldv_retval_1 = go7007_loader_driver_init() [L3638] COND TRUE ldv_retval_1 == 0 [L3639] ldv_state_variable_0 = 3 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3642] COND FALSE !(ldv_retval_1 != 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3591] tmp___0 = __VERIFIER_nondet_int() [L3593] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3594] COND TRUE ldv_state_variable_1 != 0 [L3595] tmp___1 = __VERIFIER_nondet_int() [L3597] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3598] COND TRUE ldv_state_variable_1 == 1 [L3599] CALL, EXPR go7007_loader_probe(go7007_loader_driver_group1, (struct usb_device_id const *)ldvarg0) [L3424] struct usb_device *usbdev ; [L3425] struct firmware const *fw ; [L3426] u16 vendor ; [L3427] u16 product ; [L3428] char const *fw1 ; [L3429] char const *fw2 ; [L3430] int ret ; [L3431] int i ; [L3432] struct usb_device *tmp ; [L3433] int tmp___0 ; [L3434] int tmp___1 ; [L3436] CALL, EXPR interface_to_usbdev(interface) [L3669] struct usb_device *tmp ; [L3671] CALL, EXPR ldv_interface_to_usbdev() [L3816] void *result ; [L3817] void *tmp ; [L3819] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) [L3330] void *p ; [L3331] void *tmp ; [L3332] int tmp___0 ; [L3334] tmp___0 = __VERIFIER_nondet_int() [L3335] COND FALSE !(tmp___0 != 0) [L3338] tmp = malloc(size) [L3339] p = tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775798:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-9223372036854775798:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3340] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3326] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3340] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775798:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-9223372036854775798:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3341] return (p); VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775798:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-9223372036854775798:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3819] RET, EXPR ldv_malloc(sizeof(struct usb_device)) [L3819] tmp = ldv_malloc(sizeof(struct usb_device)) [L3820] result = tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-9223372036854775798:0}, SERIAL_STATE=0, tmp={-9223372036854775798:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3821] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-9223372036854775798:0}, SERIAL_STATE=0, tmp={-9223372036854775798:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3825] return (result); VAL [={0:0}, ={0:0}, \result={-9223372036854775798:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-9223372036854775798:0}, SERIAL_STATE=0, tmp={-9223372036854775798:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3671] RET, EXPR ldv_interface_to_usbdev() [L3671] tmp = ldv_interface_to_usbdev() [L3672] return (tmp); VAL [={0:0}, ={0:0}, \result={-9223372036854775798:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-9223372036854775798:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3436] RET, EXPR interface_to_usbdev(interface) [L3436] tmp = interface_to_usbdev(interface) [L3437] CALL, EXPR ldv_usb_get_dev_2(tmp) [L3677] struct usb_device *tmp ; [L3679] CALL, EXPR ldv_get_dev(ldv_func_arg1) [L3830] int tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-9223372036854775798:0}, data={-9223372036854775798:0}, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3832] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-9223372036854775798:0}, data={-9223372036854775798:0}, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3833] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3364] int tmp ; [L3366] tmp = __VERIFIER_nondet_int() [L3367] return (tmp); VAL [={0:0}, ={0:0}, \result=-2147483648, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=2147483648, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3833] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-9223372036854775798:0}, data={-9223372036854775798:0}, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_undef_int()=-2147483648, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3833] tmp = ldv_undef_int() [L3834] COND TRUE \read(tmp) [L3835] dev_counter = dev_counter + 1 [L3836] usb_dev = data VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-9223372036854775798:0}, data={-9223372036854775798:0}, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=2147483648, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3844] return (usb_dev); VAL [={0:0}, ={0:0}, \result={-9223372036854775798:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-9223372036854775798:0}, data={-9223372036854775798:0}, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=2147483648, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] RET, EXPR ldv_get_dev(ldv_func_arg1) [L3679] tmp = ldv_get_dev(ldv_func_arg1) [L3680] return (tmp); VAL [={0:0}, ={0:0}, \result={-9223372036854775798:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, ldv_func_arg1={-9223372036854775798:0}, ldv_func_arg1={-9223372036854775798:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-9223372036854775798:0}, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3437] RET, EXPR ldv_usb_get_dev_2(tmp) [L3437] usbdev = ldv_usb_get_dev_2(tmp) [L3438] COND FALSE !((unsigned long )usbdev == (unsigned long )((struct usb_device *)0)) [L3442] EXPR usbdev->descriptor.bNumConfigurations VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw={-9223372036854775786:0}, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, id={0:0}, id={0:0}, INTERF_STATE=0, interface={0:0}, interface={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-9223372036854775798:0}, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbdev={-9223372036854775798:0}, usbdev->descriptor.bNumConfigurations=0] [L3442] COND TRUE (unsigned int )usbdev->descriptor.bNumConfigurations != 1U [L3444] return (-19); [L3444] return (-19); VAL [={0:0}, ={0:0}, \result=-19, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, id={0:0}, id={0:0}, INTERF_STATE=0, interface={0:0}, interface={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-9223372036854775798:0}, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbdev={-9223372036854775798:0}] [L3599] RET, EXPR go7007_loader_probe(go7007_loader_driver_group1, (struct usb_device_id const *)ldvarg0) [L3599] ldv_retval_0 = go7007_loader_probe(go7007_loader_driver_group1, (struct usb_device_id const *)ldvarg0) [L3600] COND FALSE !(ldv_retval_0 == 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3591] tmp___0 = __VERIFIER_nondet_int() [L3593] case 0: [L3623] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3624] COND TRUE ldv_state_variable_0 != 0 [L3625] tmp___2 = __VERIFIER_nondet_int() [L3627] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3628] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L3629] CALL go7007_loader_driver_exit() [L3559] CALL ldv_usb_deregister_5(& go7007_loader_driver) [L3707] FCALL usb_deregister(arg) [L3708] ldv_state_variable_1 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, arg={21:0}, arg={21:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3559] RET ldv_usb_deregister_5(& go7007_loader_driver) [L3629] RET go7007_loader_driver_exit() [L3630] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3663] CALL ldv_check_final_state() [L3922] COND TRUE (unsigned long )usb_urb == (unsigned long )((struct urb *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3926] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3928] CALL ldv_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3382] reach_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={151:152}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775798:0}, usb_intfdata={0:0}, usb_urb={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 137 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2565 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2565 mSDsluCounter, 4631 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2569 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 269 IncrementalHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 2062 mSDtfsCounter, 269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 507 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=455occurred in iteration=8, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 553 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 484 ConstructedInterpolants, 0 QuantifiedInterpolants, 1171 SizeOfPredicates, 49 NumberOfNonLiveVariables, 5696 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 69/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-21 11:01:25,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample