./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 eb692b52 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-?-eb692b5 [2022-07-19 23:29:53,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:29:53,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:29:53,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:29:53,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:29:53,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:29:53,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:29:53,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:29:53,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:29:53,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:29:53,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:29:53,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:29:53,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:29:53,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:29:53,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:29:53,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:29:53,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:29:53,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:29:53,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:29:53,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:29:53,956 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:29:53,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:29:53,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:29:53,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:29:53,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:29:53,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:29:53,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:29:53,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:29:53,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:29:53,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:29:53,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:29:53,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:29:53,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:29:53,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:29:53,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:29:53,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:29:53,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:29:53,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:29:53,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:29:53,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:29:53,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:29:53,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:29:53,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:29:54,031 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:29:54,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:29:54,034 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:29:54,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:29:54,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:29:54,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:29:54,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:29:54,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:29:54,036 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:29:54,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:29:54,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:29:54,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:29:54,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:29:54,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:29:54,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:29:54,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:29:54,038 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:29:54,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:29:54,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:29:54,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:29:54,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:29:54,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:29:54,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:29:54,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:29:54,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:29:54,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:29:54,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:29:54,041 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:29:54,042 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:29:54,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:29:54,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 570f71a4ef125473e8d858d9fb4e2164a899b7ee95a6020ace877d8b3dd9ef52 [2022-07-19 23:29:54,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:29:54,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:29:54,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:29:54,252 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:29:54,252 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:29:54,253 INFO L432 ainManager$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 [2022-07-19 23:29:54,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f929bf9b3/9b69f1b11bb6487abf26613e16ef1eba/FLAG512cd503b [2022-07-19 23:29:54,909 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:29:54,910 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 [2022-07-19 23:29:54,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f929bf9b3/9b69f1b11bb6487abf26613e16ef1eba/FLAG512cd503b [2022-07-19 23:29:55,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f929bf9b3/9b69f1b11bb6487abf26613e16ef1eba [2022-07-19 23:29:55,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:29:55,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:29:55,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:29:55,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:29:55,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:29:55,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:29:55" (1/1) ... [2022-07-19 23:29:55,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47486b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:55, skipping insertion in model container [2022-07-19 23:29:55,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:29:55" (1/1) ... [2022-07-19 23:29:55,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:29:55,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:29:55,857 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] [2022-07-19 23:29:55,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:29:55,997 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:29:56,062 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] [2022-07-19 23:29:56,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:29:56,123 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:29:56,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56 WrapperNode [2022-07-19 23:29:56,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:29:56,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:29:56,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:29:56,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:29:56,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56" (1/1) ... [2022-07-19 23:29:56,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56" (1/1) ... [2022-07-19 23:29:56,246 INFO L137 Inliner]: procedures = 69, calls = 242, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 564 [2022-07-19 23:29:56,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:29:56,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:29:56,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:29:56,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:29:56,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56" (1/1) ... [2022-07-19 23:29:56,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56" (1/1) ... [2022-07-19 23:29:56,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56" (1/1) ... [2022-07-19 23:29:56,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56" (1/1) ... [2022-07-19 23:29:56,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56" (1/1) ... [2022-07-19 23:29:56,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56" (1/1) ... [2022-07-19 23:29:56,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56" (1/1) ... [2022-07-19 23:29:56,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:29:56,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:29:56,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:29:56,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:29:56,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56" (1/1) ... [2022-07-19 23:29:56,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:29:56,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:29:56,401 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) [2022-07-19 23:29:56,425 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 [2022-07-19 23:29:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:29:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-19 23:29:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-19 23:29:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:29:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:29:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:29:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:29:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:29:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:29:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:29:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure cypress_load_firmware [2022-07-19 23:29:56,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cypress_load_firmware [2022-07-19 23:29:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_disconnect [2022-07-19 23:29:56,446 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_disconnect [2022-07-19 23:29:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:29:56,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:29:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-19 23:29:56,446 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-19 23:29:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-19 23:29:56,447 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-19 23:29:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:29:56,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:29:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:29:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:29:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-19 23:29:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-19 23:29:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:29:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:29:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:29:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:29:56,682 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:29:56,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:29:56,753 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-19 23:29:56,775 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:29:57,187 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:29:57,194 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:29:57,194 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:29:57,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:57 BoogieIcfgContainer [2022-07-19 23:29:57,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:29:57,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:29:57,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:29:57,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:29:57,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:29:55" (1/3) ... [2022-07-19 23:29:57,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174991af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:29:57, skipping insertion in model container [2022-07-19 23:29:57,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:29:56" (2/3) ... [2022-07-19 23:29:57,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174991af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:29:57, skipping insertion in model container [2022-07-19 23:29:57,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:57" (3/3) ... [2022-07-19 23:29:57,209 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 [2022-07-19 23:29:57,222 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:29:57,222 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:29:57,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:29:57,272 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@288a376f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1f956958 [2022-07-19 23:29:57,272 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:29:57,277 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) [2022-07-19 23:29:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-19 23:29:57,287 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:57,288 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] [2022-07-19 23:29:57,289 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:57,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:57,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1946969106, now seen corresponding path program 1 times [2022-07-19 23:29:57,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:57,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979773180] [2022-07-19 23:29:57,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:57,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:29:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:29:57,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:29:57,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979773180] [2022-07-19 23:29:57,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979773180] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:29:57,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:29:57,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:29:57,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401207963] [2022-07-19 23:29:57,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:29:57,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:29:57,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:29:57,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:29:57,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:29:57,732 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) [2022-07-19 23:29:58,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:29:58,054 INFO L93 Difference]: Finished difference Result 370 states and 512 transitions. [2022-07-19 23:29:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:29:58,057 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 [2022-07-19 23:29:58,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:29:58,073 INFO L225 Difference]: With dead ends: 370 [2022-07-19 23:29:58,074 INFO L226 Difference]: Without dead ends: 222 [2022-07-19 23:29:58,077 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 [2022-07-19 23:29:58,094 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 162 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-07-19 23:29:58,095 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] [2022-07-19 23:29:58,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-07-19 23:29:58,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 218. [2022-07-19 23:29:58,207 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) [2022-07-19 23:29:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2022-07-19 23:29:58,214 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 22 [2022-07-19 23:29:58,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:29:58,216 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2022-07-19 23:29:58,216 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) [2022-07-19 23:29:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2022-07-19 23:29:58,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 23:29:58,221 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:58,221 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] [2022-07-19 23:29:58,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:29:58,221 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:58,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:58,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1842370729, now seen corresponding path program 1 times [2022-07-19 23:29:58,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:58,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752635675] [2022-07-19 23:29:58,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:58,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:58,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:29:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:58,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:29:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:58,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:29:58,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:29:58,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752635675] [2022-07-19 23:29:58,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752635675] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:29:58,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:29:58,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:29:58,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777439938] [2022-07-19 23:29:58,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:29:58,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:29:58,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:29:58,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:29:58,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:29:58,428 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) [2022-07-19 23:29:58,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:29:58,546 INFO L93 Difference]: Finished difference Result 248 states and 323 transitions. [2022-07-19 23:29:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:29:58,547 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 [2022-07-19 23:29:58,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:29:58,559 INFO L225 Difference]: With dead ends: 248 [2022-07-19 23:29:58,560 INFO L226 Difference]: Without dead ends: 235 [2022-07-19 23:29:58,560 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 [2022-07-19 23:29:58,562 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 166 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-07-19 23:29:58,562 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] [2022-07-19 23:29:58,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-07-19 23:29:58,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 218. [2022-07-19 23:29:58,581 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) [2022-07-19 23:29:58,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 286 transitions. [2022-07-19 23:29:58,583 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 286 transitions. Word has length 32 [2022-07-19 23:29:58,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:29:58,584 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 286 transitions. [2022-07-19 23:29:58,584 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) [2022-07-19 23:29:58,584 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 286 transitions. [2022-07-19 23:29:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 23:29:58,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:58,585 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] [2022-07-19 23:29:58,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:29:58,586 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:58,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:58,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1899629031, now seen corresponding path program 1 times [2022-07-19 23:29:58,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:58,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395164800] [2022-07-19 23:29:58,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:58,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:29:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:58,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:29:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:29:58,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:29:58,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395164800] [2022-07-19 23:29:58,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395164800] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:29:58,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:29:58,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:29:58,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385613847] [2022-07-19 23:29:58,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:29:58,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:29:58,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:29:58,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:29:58,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:29:58,693 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) [2022-07-19 23:29:58,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:29:58,783 INFO L93 Difference]: Finished difference Result 224 states and 291 transitions. [2022-07-19 23:29:58,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:29:58,784 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 [2022-07-19 23:29:58,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:29:58,786 INFO L225 Difference]: With dead ends: 224 [2022-07-19 23:29:58,786 INFO L226 Difference]: Without dead ends: 221 [2022-07-19 23:29:58,787 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 [2022-07-19 23:29:58,788 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 148 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:29:58,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 259 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:29:58,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-07-19 23:29:58,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 217. [2022-07-19 23:29:58,804 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) [2022-07-19 23:29:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 284 transitions. [2022-07-19 23:29:58,806 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 284 transitions. Word has length 32 [2022-07-19 23:29:58,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:29:58,807 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 284 transitions. [2022-07-19 23:29:58,807 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) [2022-07-19 23:29:58,807 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 284 transitions. [2022-07-19 23:29:58,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-19 23:29:58,808 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:58,809 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] [2022-07-19 23:29:58,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:29:58,809 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:58,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:58,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1241149330, now seen corresponding path program 1 times [2022-07-19 23:29:58,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:58,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133149807] [2022-07-19 23:29:58,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:58,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:58,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:29:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:58,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:29:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:29:58,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:29:58,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133149807] [2022-07-19 23:29:58,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133149807] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:29:58,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:29:58,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:29:58,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787912112] [2022-07-19 23:29:58,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:29:58,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:29:58,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:29:58,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:29:58,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:29:58,947 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) [2022-07-19 23:29:59,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:29:59,132 INFO L93 Difference]: Finished difference Result 630 states and 825 transitions. [2022-07-19 23:29:59,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:29:59,132 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 [2022-07-19 23:29:59,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:29:59,135 INFO L225 Difference]: With dead ends: 630 [2022-07-19 23:29:59,135 INFO L226 Difference]: Without dead ends: 425 [2022-07-19 23:29:59,136 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 [2022-07-19 23:29:59,137 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 [2022-07-19 23:29:59,137 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] [2022-07-19 23:29:59,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2022-07-19 23:29:59,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 411. [2022-07-19 23:29:59,173 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) [2022-07-19 23:29:59,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 537 transitions. [2022-07-19 23:29:59,179 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 537 transitions. Word has length 33 [2022-07-19 23:29:59,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:29:59,179 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 537 transitions. [2022-07-19 23:29:59,180 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) [2022-07-19 23:29:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 537 transitions. [2022-07-19 23:29:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-19 23:29:59,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:59,186 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] [2022-07-19 23:29:59,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 23:29:59,191 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:59,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:59,192 INFO L85 PathProgramCache]: Analyzing trace with hash 178974154, now seen corresponding path program 1 times [2022-07-19 23:29:59,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:59,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786006666] [2022-07-19 23:29:59,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:59,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:59,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:29:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:59,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:29:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:29:59,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:29:59,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786006666] [2022-07-19 23:29:59,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786006666] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:29:59,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:29:59,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:29:59,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187745059] [2022-07-19 23:29:59,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:29:59,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:29:59,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:29:59,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:29:59,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:29:59,282 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) [2022-07-19 23:29:59,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:29:59,458 INFO L93 Difference]: Finished difference Result 423 states and 548 transitions. [2022-07-19 23:29:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:29:59,459 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 [2022-07-19 23:29:59,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:29:59,461 INFO L225 Difference]: With dead ends: 423 [2022-07-19 23:29:59,461 INFO L226 Difference]: Without dead ends: 420 [2022-07-19 23:29:59,462 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 [2022-07-19 23:29:59,463 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 [2022-07-19 23:29:59,463 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] [2022-07-19 23:29:59,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-07-19 23:29:59,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 412. [2022-07-19 23:29:59,500 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) [2022-07-19 23:29:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 538 transitions. [2022-07-19 23:29:59,502 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 538 transitions. Word has length 34 [2022-07-19 23:29:59,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:29:59,504 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 538 transitions. [2022-07-19 23:29:59,504 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) [2022-07-19 23:29:59,504 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 538 transitions. [2022-07-19 23:29:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-19 23:29:59,506 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:59,506 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] [2022-07-19 23:29:59,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 23:29:59,506 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:59,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:59,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1253134065, now seen corresponding path program 1 times [2022-07-19 23:29:59,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:59,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929533246] [2022-07-19 23:29:59,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:59,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:29:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:59,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:29:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:29:59,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:29:59,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929533246] [2022-07-19 23:29:59,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929533246] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:29:59,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:29:59,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:29:59,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246653366] [2022-07-19 23:29:59,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:29:59,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:29:59,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:29:59,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:29:59,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:29:59,623 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) [2022-07-19 23:29:59,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:29:59,715 INFO L93 Difference]: Finished difference Result 420 states and 545 transitions. [2022-07-19 23:29:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:29:59,715 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 [2022-07-19 23:29:59,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:29:59,718 INFO L225 Difference]: With dead ends: 420 [2022-07-19 23:29:59,718 INFO L226 Difference]: Without dead ends: 417 [2022-07-19 23:29:59,718 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 [2022-07-19 23:29:59,719 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 143 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:29:59,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:29:59,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2022-07-19 23:29:59,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 411. [2022-07-19 23:29:59,742 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) [2022-07-19 23:29:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 536 transitions. [2022-07-19 23:29:59,744 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 536 transitions. Word has length 35 [2022-07-19 23:29:59,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:29:59,745 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 536 transitions. [2022-07-19 23:29:59,745 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) [2022-07-19 23:29:59,745 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 536 transitions. [2022-07-19 23:29:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-19 23:29:59,746 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:59,746 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] [2022-07-19 23:29:59,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 23:29:59,747 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:59,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:59,747 INFO L85 PathProgramCache]: Analyzing trace with hash 192357805, now seen corresponding path program 1 times [2022-07-19 23:29:59,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:59,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326254514] [2022-07-19 23:29:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:59,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:29:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:29:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:29:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:29:59,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:29:59,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326254514] [2022-07-19 23:29:59,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326254514] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:29:59,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:29:59,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:29:59,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254355185] [2022-07-19 23:29:59,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:29:59,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:29:59,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:29:59,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:29:59,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:29:59,856 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) [2022-07-19 23:29:59,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:29:59,946 INFO L93 Difference]: Finished difference Result 419 states and 543 transitions. [2022-07-19 23:29:59,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:29:59,947 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 [2022-07-19 23:29:59,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:29:59,949 INFO L225 Difference]: With dead ends: 419 [2022-07-19 23:29:59,949 INFO L226 Difference]: Without dead ends: 407 [2022-07-19 23:29:59,950 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 [2022-07-19 23:29:59,950 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 140 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:29:59,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 255 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:29:59,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-07-19 23:29:59,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 401. [2022-07-19 23:29:59,968 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) [2022-07-19 23:29:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 523 transitions. [2022-07-19 23:29:59,971 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 523 transitions. Word has length 36 [2022-07-19 23:29:59,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:29:59,971 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 523 transitions. [2022-07-19 23:29:59,971 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) [2022-07-19 23:29:59,972 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 523 transitions. [2022-07-19 23:29:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-19 23:29:59,973 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:29:59,973 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] [2022-07-19 23:29:59,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 23:29:59,974 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:29:59,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:29:59,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1754403438, now seen corresponding path program 1 times [2022-07-19 23:29:59,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:29:59,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663425034] [2022-07-19 23:29:59,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:29:59,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:29:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:30:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-19 23:30:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:30:00,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:30:00,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663425034] [2022-07-19 23:30:00,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663425034] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:00,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:00,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:30:00,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84753473] [2022-07-19 23:30:00,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:00,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:30:00,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:30:00,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:30:00,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:30:00,049 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) [2022-07-19 23:30:00,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:00,175 INFO L93 Difference]: Finished difference Result 863 states and 1129 transitions. [2022-07-19 23:30:00,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:30:00,176 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 [2022-07-19 23:30:00,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:00,178 INFO L225 Difference]: With dead ends: 863 [2022-07-19 23:30:00,178 INFO L226 Difference]: Without dead ends: 474 [2022-07-19 23:30:00,179 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 [2022-07-19 23:30:00,180 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 [2022-07-19 23:30:00,180 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] [2022-07-19 23:30:00,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-07-19 23:30:00,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 455. [2022-07-19 23:30:00,196 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) [2022-07-19 23:30:00,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 597 transitions. [2022-07-19 23:30:00,198 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 597 transitions. Word has length 58 [2022-07-19 23:30:00,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:00,199 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 597 transitions. [2022-07-19 23:30:00,199 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) [2022-07-19 23:30:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 597 transitions. [2022-07-19 23:30:00,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-19 23:30:00,200 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:00,200 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] [2022-07-19 23:30:00,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 23:30:00,201 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:00,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:00,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1129629457, now seen corresponding path program 1 times [2022-07-19 23:30:00,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:30:00,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801026913] [2022-07-19 23:30:00,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:00,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:30:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:30:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:30:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,286 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-19 23:30:00,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:30:00,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801026913] [2022-07-19 23:30:00,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801026913] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:00,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:00,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:30:00,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662084141] [2022-07-19 23:30:00,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:00,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:30:00,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:30:00,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:30:00,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:30:00,289 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) [2022-07-19 23:30:00,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:00,524 INFO L93 Difference]: Finished difference Result 1351 states and 1775 transitions. [2022-07-19 23:30:00,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:30:00,525 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 [2022-07-19 23:30:00,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:00,529 INFO L225 Difference]: With dead ends: 1351 [2022-07-19 23:30:00,529 INFO L226 Difference]: Without dead ends: 912 [2022-07-19 23:30:00,530 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 [2022-07-19 23:30:00,531 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 [2022-07-19 23:30:00,531 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] [2022-07-19 23:30:00,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2022-07-19 23:30:00,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 463. [2022-07-19 23:30:00,559 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) [2022-07-19 23:30:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 605 transitions. [2022-07-19 23:30:00,561 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 605 transitions. Word has length 67 [2022-07-19 23:30:00,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:00,562 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 605 transitions. [2022-07-19 23:30:00,562 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) [2022-07-19 23:30:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 605 transitions. [2022-07-19 23:30:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-19 23:30:00,564 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:00,564 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] [2022-07-19 23:30:00,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 23:30:00,564 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:00,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:00,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1885474161, now seen corresponding path program 1 times [2022-07-19 23:30:00,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:30:00,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306029801] [2022-07-19 23:30:00,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:00,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:30:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:30:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:30:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:00,668 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-19 23:30:00,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:30:00,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306029801] [2022-07-19 23:30:00,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306029801] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:00,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:00,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:30:00,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393175821] [2022-07-19 23:30:00,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:00,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:30:00,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:30:00,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:30:00,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:30:00,671 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) [2022-07-19 23:30:00,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:00,812 INFO L93 Difference]: Finished difference Result 924 states and 1207 transitions. [2022-07-19 23:30:00,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:30:00,813 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 [2022-07-19 23:30:00,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:00,815 INFO L225 Difference]: With dead ends: 924 [2022-07-19 23:30:00,815 INFO L226 Difference]: Without dead ends: 469 [2022-07-19 23:30:00,816 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 [2022-07-19 23:30:00,817 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 [2022-07-19 23:30:00,817 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] [2022-07-19 23:30:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-07-19 23:30:00,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 463. [2022-07-19 23:30:00,840 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) [2022-07-19 23:30:00,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 601 transitions. [2022-07-19 23:30:00,842 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 601 transitions. Word has length 67 [2022-07-19 23:30:00,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:00,842 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 601 transitions. [2022-07-19 23:30:00,842 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) [2022-07-19 23:30:00,843 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 601 transitions. [2022-07-19 23:30:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-19 23:30:00,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:00,844 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] [2022-07-19 23:30:00,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 23:30:00,844 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:00,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:00,845 INFO L85 PathProgramCache]: Analyzing trace with hash -101950798, now seen corresponding path program 1 times [2022-07-19 23:30:00,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:30:00,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988579454] [2022-07-19 23:30:00,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:00,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:30:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:01,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:30:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:01,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:30:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:01,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:30:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:30:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-19 23:30:01,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:30:01,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988579454] [2022-07-19 23:30:01,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988579454] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:01,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:01,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-19 23:30:01,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860615201] [2022-07-19 23:30:01,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:01,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-19 23:30:01,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:30:01,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-19 23:30:01,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-07-19 23:30:01,199 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) [2022-07-19 23:30:02,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:02,578 INFO L93 Difference]: Finished difference Result 777 states and 1022 transitions. [2022-07-19 23:30:02,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-19 23:30:02,579 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 [2022-07-19 23:30:02,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:02,581 INFO L225 Difference]: With dead ends: 777 [2022-07-19 23:30:02,581 INFO L226 Difference]: Without dead ends: 547 [2022-07-19 23:30:02,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2022-07-19 23:30:02,582 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1585 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:30:02,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 1293 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:30:02,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2022-07-19 23:30:02,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 449. [2022-07-19 23:30:02,667 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) [2022-07-19 23:30:02,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 580 transitions. [2022-07-19 23:30:02,670 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 580 transitions. Word has length 73 [2022-07-19 23:30:02,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:02,670 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 580 transitions. [2022-07-19 23:30:02,670 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) [2022-07-19 23:30:02,670 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 580 transitions. [2022-07-19 23:30:02,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-19 23:30:02,672 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:02,672 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] [2022-07-19 23:30:02,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 23:30:02,673 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:02,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:02,673 INFO L85 PathProgramCache]: Analyzing trace with hash 368125612, now seen corresponding path program 1 times [2022-07-19 23:30:02,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:30:02,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121654046] [2022-07-19 23:30:02,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:02,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:30:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 23:30:02,748 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 23:30:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 23:30:02,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 23:30:02,886 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 23:30:02,887 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 23:30:02,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-19 23:30:02,893 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:30:02,897 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 23:30:03,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:30:03 BoogieIcfgContainer [2022-07-19 23:30:03,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 23:30:03,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 23:30:03,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 23:30:03,052 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 23:30:03,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:29:57" (3/4) ... [2022-07-19 23:30:03,055 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 23:30:03,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 23:30:03,056 INFO L158 Benchmark]: Toolchain (without parser) took 7721.76ms. Allocated memory was 90.2MB in the beginning and 188.7MB in the end (delta: 98.6MB). Free memory was 60.1MB in the beginning and 80.5MB in the end (delta: -20.4MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2022-07-19 23:30:03,056 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.5MB in the end (delta: 57.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 23:30:03,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 791.60ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 60.0MB in the beginning and 52.4MB in the end (delta: 7.6MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-07-19 23:30:03,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.97ms. Allocated memory is still 111.1MB. Free memory was 52.4MB in the beginning and 74.9MB in the end (delta: -22.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-19 23:30:03,057 INFO L158 Benchmark]: Boogie Preprocessor took 102.82ms. Allocated memory is still 111.1MB. Free memory was 74.9MB in the beginning and 71.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 23:30:03,057 INFO L158 Benchmark]: RCFGBuilder took 848.89ms. Allocated memory is still 111.1MB. Free memory was 71.2MB in the beginning and 63.6MB in the end (delta: 7.6MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2022-07-19 23:30:03,058 INFO L158 Benchmark]: TraceAbstraction took 5849.40ms. Allocated memory was 111.1MB in the beginning and 188.7MB in the end (delta: 77.6MB). Free memory was 63.1MB in the beginning and 80.5MB in the end (delta: -17.4MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2022-07-19 23:30:03,058 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 188.7MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:30:03,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.5MB in the end (delta: 57.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 791.60ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 60.0MB in the beginning and 52.4MB in the end (delta: 7.6MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.97ms. Allocated memory is still 111.1MB. Free memory was 52.4MB in the beginning and 74.9MB in the end (delta: -22.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.82ms. Allocated memory is still 111.1MB. Free memory was 74.9MB in the beginning and 71.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 848.89ms. Allocated memory is still 111.1MB. Free memory was 71.2MB in the beginning and 63.6MB in the end (delta: 7.6MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5849.40ms. Allocated memory was 111.1MB in the beginning and 188.7MB in the end (delta: 77.6MB). Free memory was 63.1MB in the beginning and 80.5MB in the end (delta: -17.4MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 188.7MB. Free memory is still 80.5MB. 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=-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: 5.6s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3024 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2939 mSDsluCounter, 5348 SdHoareTripleChecker+Invalid, 1.4s 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.0s 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 631 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s 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 [2022-07-19 23:30:03,098 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-?-eb692b5 [2022-07-19 23:30:05,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:30:05,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:30:05,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:30:05,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:30:05,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:30:05,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:30:05,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:30:05,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:30:05,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:30:05,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:30:05,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:30:05,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:30:05,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:30:05,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:30:05,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:30:05,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:30:05,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:30:05,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:30:05,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:30:05,348 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:30:05,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:30:05,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:30:05,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:30:05,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:30:05,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:30:05,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:30:05,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:30:05,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:30:05,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:30:05,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:30:05,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:30:05,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:30:05,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:30:05,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:30:05,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:30:05,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:30:05,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:30:05,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:30:05,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:30:05,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:30:05,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:30:05,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:30:05,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:30:05,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:30:05,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:30:05,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:30:05,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:30:05,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:30:05,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:30:05,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:30:05,414 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:30:05,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:30:05,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:30:05,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:30:05,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:30:05,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:30:05,415 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:30:05,416 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:30:05,416 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:30:05,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:30:05,416 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:30:05,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:30:05,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:30:05,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:30:05,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:30:05,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:30:05,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:30:05,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:30:05,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:30:05,418 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:30:05,418 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:30:05,418 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:30:05,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:30:05,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:30:05,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:30:05,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 570f71a4ef125473e8d858d9fb4e2164a899b7ee95a6020ace877d8b3dd9ef52 [2022-07-19 23:30:05,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:30:05,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:30:05,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:30:05,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:30:05,745 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:30:05,747 INFO L432 ainManager$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 [2022-07-19 23:30:05,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c8c3880/86687f0734e345f89ec9a4b21934202a/FLAGf1db8f6f5 [2022-07-19 23:30:06,504 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:30:06,504 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 [2022-07-19 23:30:06,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c8c3880/86687f0734e345f89ec9a4b21934202a/FLAGf1db8f6f5 [2022-07-19 23:30:06,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c8c3880/86687f0734e345f89ec9a4b21934202a [2022-07-19 23:30:06,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:30:06,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:30:06,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:30:06,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:30:06,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:30:06,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:30:06" (1/1) ... [2022-07-19 23:30:06,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61dde6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:06, skipping insertion in model container [2022-07-19 23:30:06,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:30:06" (1/1) ... [2022-07-19 23:30:06,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:30:06,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:30:07,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i[94831,94844] [2022-07-19 23:30:07,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:30:07,496 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:30:07,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:30:07,597 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] [2022-07-19 23:30:07,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:30:07,677 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:30:07,783 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] [2022-07-19 23:30:07,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:30:07,875 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:30:07,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07 WrapperNode [2022-07-19 23:30:07,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:30:07,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:30:07,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:30:07,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:30:07,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07" (1/1) ... [2022-07-19 23:30:07,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07" (1/1) ... [2022-07-19 23:30:07,980 INFO L137 Inliner]: procedures = 78, calls = 242, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 549 [2022-07-19 23:30:07,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:30:07,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:30:07,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:30:07,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:30:07,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07" (1/1) ... [2022-07-19 23:30:07,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07" (1/1) ... [2022-07-19 23:30:08,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07" (1/1) ... [2022-07-19 23:30:08,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07" (1/1) ... [2022-07-19 23:30:08,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07" (1/1) ... [2022-07-19 23:30:08,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07" (1/1) ... [2022-07-19 23:30:08,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07" (1/1) ... [2022-07-19 23:30:08,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:30:08,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:30:08,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:30:08,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:30:08,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07" (1/1) ... [2022-07-19 23:30:08,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:30:08,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:30:08,105 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) [2022-07-19 23:30:08,129 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 [2022-07-19 23:30:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:30:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:30:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-19 23:30:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-19 23:30:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:30:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:30:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:30:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:30:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:30:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:30:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:30:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure cypress_load_firmware [2022-07-19 23:30:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cypress_load_firmware [2022-07-19 23:30:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-19 23:30:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_disconnect [2022-07-19 23:30:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_disconnect [2022-07-19 23:30:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:30:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:30:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:30:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:30:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:30:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-19 23:30:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-19 23:30:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-19 23:30:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-19 23:30:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:30:08,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:30:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:30:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-19 23:30:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-19 23:30:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:30:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:30:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:30:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:30:08,353 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:30:08,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:30:08,453 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-19 23:30:08,489 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:30:08,979 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:30:08,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:30:08,988 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:30:08,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:30:08 BoogieIcfgContainer [2022-07-19 23:30:08,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:30:08,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:30:08,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:30:08,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:30:08,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:30:06" (1/3) ... [2022-07-19 23:30:08,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5366494b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:30:08, skipping insertion in model container [2022-07-19 23:30:08,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:07" (2/3) ... [2022-07-19 23:30:08,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5366494b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:30:08, skipping insertion in model container [2022-07-19 23:30:08,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:30:08" (3/3) ... [2022-07-19 23:30:09,000 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 [2022-07-19 23:30:09,015 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:30:09,016 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:30:09,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:30:09,080 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@46c3db9b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@605bcbc0 [2022-07-19 23:30:09,080 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:30:09,085 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) [2022-07-19 23:30:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-19 23:30:09,094 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:09,095 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] [2022-07-19 23:30:09,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:09,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:09,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1946969106, now seen corresponding path program 1 times [2022-07-19 23:30:09,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:09,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847474224] [2022-07-19 23:30:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:09,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:09,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:09,127 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) [2022-07-19 23:30:09,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:30:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:09,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:30:09,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:30:09,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:09,547 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:30:09,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847474224] [2022-07-19 23:30:09,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847474224] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:09,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:09,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:30:09,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308618409] [2022-07-19 23:30:09,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:09,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:30:09,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:30:09,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:30:09,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:30:09,600 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) [2022-07-19 23:30:09,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:09,763 INFO L93 Difference]: Finished difference Result 366 states and 508 transitions. [2022-07-19 23:30:09,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:30:09,767 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 [2022-07-19 23:30:09,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:09,785 INFO L225 Difference]: With dead ends: 366 [2022-07-19 23:30:09,786 INFO L226 Difference]: Without dead ends: 218 [2022-07-19 23:30:09,790 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 [2022-07-19 23:30:09,793 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 [2022-07-19 23:30:09,794 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] [2022-07-19 23:30:09,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-07-19 23:30:09,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2022-07-19 23:30:09,859 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) [2022-07-19 23:30:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2022-07-19 23:30:09,865 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 22 [2022-07-19 23:30:09,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:09,865 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2022-07-19 23:30:09,866 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) [2022-07-19 23:30:09,866 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2022-07-19 23:30:09,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 23:30:09,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:09,869 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] [2022-07-19 23:30:09,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-19 23:30:10,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:10,078 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:10,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:10,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1842370729, now seen corresponding path program 1 times [2022-07-19 23:30:10,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:10,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976165837] [2022-07-19 23:30:10,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:10,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:10,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:10,082 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) [2022-07-19 23:30:10,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:30:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:10,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:30:10,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:30:10,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:10,490 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:30:10,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976165837] [2022-07-19 23:30:10,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1976165837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:10,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:10,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:30:10,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762246891] [2022-07-19 23:30:10,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:10,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:30:10,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:30:10,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:30:10,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:30:10,493 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) [2022-07-19 23:30:10,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:10,563 INFO L93 Difference]: Finished difference Result 244 states and 319 transitions. [2022-07-19 23:30:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:30:10,567 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 [2022-07-19 23:30:10,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:10,568 INFO L225 Difference]: With dead ends: 244 [2022-07-19 23:30:10,568 INFO L226 Difference]: Without dead ends: 231 [2022-07-19 23:30:10,569 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 [2022-07-19 23:30:10,570 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:30:10,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 193 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:30:10,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-07-19 23:30:10,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 218. [2022-07-19 23:30:10,600 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) [2022-07-19 23:30:10,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 286 transitions. [2022-07-19 23:30:10,603 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 286 transitions. Word has length 32 [2022-07-19 23:30:10,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:10,603 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 286 transitions. [2022-07-19 23:30:10,603 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) [2022-07-19 23:30:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 286 transitions. [2022-07-19 23:30:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 23:30:10,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:10,609 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:30:10,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:30:10,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:10,829 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:10,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:10,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1899629031, now seen corresponding path program 1 times [2022-07-19 23:30:10,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:10,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311019477] [2022-07-19 23:30:10,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:10,831 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:10,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:10,832 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) [2022-07-19 23:30:10,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:30:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:11,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:30:11,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:11,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:30:11,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:11,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:30:11,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311019477] [2022-07-19 23:30:11,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311019477] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:11,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:11,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 23:30:11,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172311489] [2022-07-19 23:30:11,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:11,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:30:11,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:30:11,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:30:11,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:30:11,373 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) [2022-07-19 23:30:11,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:11,385 INFO L93 Difference]: Finished difference Result 220 states and 287 transitions. [2022-07-19 23:30:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:30:11,385 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 [2022-07-19 23:30:11,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:11,387 INFO L225 Difference]: With dead ends: 220 [2022-07-19 23:30:11,387 INFO L226 Difference]: Without dead ends: 217 [2022-07-19 23:30:11,388 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 [2022-07-19 23:30:11,400 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 [2022-07-19 23:30:11,401 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] [2022-07-19 23:30:11,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-07-19 23:30:11,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-07-19 23:30:11,430 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) [2022-07-19 23:30:11,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 284 transitions. [2022-07-19 23:30:11,432 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 284 transitions. Word has length 32 [2022-07-19 23:30:11,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:11,433 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 284 transitions. [2022-07-19 23:30:11,433 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) [2022-07-19 23:30:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 284 transitions. [2022-07-19 23:30:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-19 23:30:11,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:11,435 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] [2022-07-19 23:30:11,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:30:11,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:11,651 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:11,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:11,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1241149330, now seen corresponding path program 1 times [2022-07-19 23:30:11,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:11,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465018735] [2022-07-19 23:30:11,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:11,653 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:11,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:11,654 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) [2022-07-19 23:30:11,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:30:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:11,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:30:11,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:30:12,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:12,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:30:12,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465018735] [2022-07-19 23:30:12,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465018735] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:12,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:12,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 23:30:12,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014404500] [2022-07-19 23:30:12,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:12,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:30:12,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:30:12,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:30:12,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:30:12,116 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) [2022-07-19 23:30:12,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:12,171 INFO L93 Difference]: Finished difference Result 624 states and 819 transitions. [2022-07-19 23:30:12,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:30:12,172 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 [2022-07-19 23:30:12,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:12,175 INFO L225 Difference]: With dead ends: 624 [2022-07-19 23:30:12,175 INFO L226 Difference]: Without dead ends: 419 [2022-07-19 23:30:12,176 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 [2022-07-19 23:30:12,177 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 [2022-07-19 23:30:12,177 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] [2022-07-19 23:30:12,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2022-07-19 23:30:12,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 411. [2022-07-19 23:30:12,195 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) [2022-07-19 23:30:12,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 537 transitions. [2022-07-19 23:30:12,197 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 537 transitions. Word has length 33 [2022-07-19 23:30:12,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:12,198 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 537 transitions. [2022-07-19 23:30:12,198 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) [2022-07-19 23:30:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 537 transitions. [2022-07-19 23:30:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-19 23:30:12,199 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:12,199 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] [2022-07-19 23:30:12,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-19 23:30:12,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:12,415 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:12,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:12,416 INFO L85 PathProgramCache]: Analyzing trace with hash 178974154, now seen corresponding path program 1 times [2022-07-19 23:30:12,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:12,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829111343] [2022-07-19 23:30:12,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:12,417 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:12,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:12,418 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) [2022-07-19 23:30:12,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 23:30:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:12,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:30:12,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:12,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:30:12,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:12,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:30:12,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829111343] [2022-07-19 23:30:12,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829111343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:12,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:12,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 23:30:12,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162081089] [2022-07-19 23:30:12,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:12,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:30:12,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:30:12,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:30:12,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:30:12,762 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) [2022-07-19 23:30:12,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:12,793 INFO L93 Difference]: Finished difference Result 417 states and 542 transitions. [2022-07-19 23:30:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:30:12,794 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 [2022-07-19 23:30:12,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:12,796 INFO L225 Difference]: With dead ends: 417 [2022-07-19 23:30:12,796 INFO L226 Difference]: Without dead ends: 414 [2022-07-19 23:30:12,797 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 [2022-07-19 23:30:12,797 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 [2022-07-19 23:30:12,798 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] [2022-07-19 23:30:12,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-07-19 23:30:12,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 412. [2022-07-19 23:30:12,815 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) [2022-07-19 23:30:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 538 transitions. [2022-07-19 23:30:12,817 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 538 transitions. Word has length 34 [2022-07-19 23:30:12,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:12,818 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 538 transitions. [2022-07-19 23:30:12,818 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) [2022-07-19 23:30:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 538 transitions. [2022-07-19 23:30:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-19 23:30:12,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:12,819 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] [2022-07-19 23:30:12,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-19 23:30:13,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:13,036 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:13,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:13,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1253134065, now seen corresponding path program 1 times [2022-07-19 23:30:13,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:13,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965891086] [2022-07-19 23:30:13,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:13,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:13,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:13,038 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) [2022-07-19 23:30:13,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 23:30:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:13,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:30:13,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:13,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:30:13,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:13,391 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:30:13,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965891086] [2022-07-19 23:30:13,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965891086] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:13,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:13,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 23:30:13,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456827739] [2022-07-19 23:30:13,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:13,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:30:13,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:30:13,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:30:13,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:30:13,394 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) [2022-07-19 23:30:13,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:13,414 INFO L93 Difference]: Finished difference Result 414 states and 539 transitions. [2022-07-19 23:30:13,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:30:13,414 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 [2022-07-19 23:30:13,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:13,417 INFO L225 Difference]: With dead ends: 414 [2022-07-19 23:30:13,417 INFO L226 Difference]: Without dead ends: 411 [2022-07-19 23:30:13,418 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 [2022-07-19 23:30:13,418 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 [2022-07-19 23:30:13,419 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] [2022-07-19 23:30:13,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-07-19 23:30:13,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2022-07-19 23:30:13,435 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) [2022-07-19 23:30:13,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 536 transitions. [2022-07-19 23:30:13,438 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 536 transitions. Word has length 35 [2022-07-19 23:30:13,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:13,438 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 536 transitions. [2022-07-19 23:30:13,438 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) [2022-07-19 23:30:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 536 transitions. [2022-07-19 23:30:13,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-19 23:30:13,439 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:13,440 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] [2022-07-19 23:30:13,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-19 23:30:13,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:13,653 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:13,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:13,653 INFO L85 PathProgramCache]: Analyzing trace with hash 192357805, now seen corresponding path program 1 times [2022-07-19 23:30:13,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:13,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459504720] [2022-07-19 23:30:13,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:13,654 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:13,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:13,656 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) [2022-07-19 23:30:13,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-19 23:30:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:13,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:30:13,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:13,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 23:30:13,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:13,981 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:30:13,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459504720] [2022-07-19 23:30:13,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459504720] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:13,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:13,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 23:30:13,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979125717] [2022-07-19 23:30:13,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:13,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:30:13,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:30:13,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:30:13,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:30:13,983 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) [2022-07-19 23:30:13,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:13,997 INFO L93 Difference]: Finished difference Result 413 states and 537 transitions. [2022-07-19 23:30:13,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:30:13,998 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 [2022-07-19 23:30:13,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:13,999 INFO L225 Difference]: With dead ends: 413 [2022-07-19 23:30:14,000 INFO L226 Difference]: Without dead ends: 401 [2022-07-19 23:30:14,000 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 [2022-07-19 23:30:14,001 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 [2022-07-19 23:30:14,001 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] [2022-07-19 23:30:14,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-07-19 23:30:14,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2022-07-19 23:30:14,017 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) [2022-07-19 23:30:14,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 523 transitions. [2022-07-19 23:30:14,019 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 523 transitions. Word has length 36 [2022-07-19 23:30:14,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:14,019 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 523 transitions. [2022-07-19 23:30:14,019 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) [2022-07-19 23:30:14,019 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 523 transitions. [2022-07-19 23:30:14,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-19 23:30:14,021 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:14,021 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] [2022-07-19 23:30:14,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-19 23:30:14,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:14,237 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:14,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:14,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1754403438, now seen corresponding path program 1 times [2022-07-19 23:30:14,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:14,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091120620] [2022-07-19 23:30:14,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:14,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:14,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:14,240 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) [2022-07-19 23:30:14,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-19 23:30:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:14,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:30:14,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:30:14,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:14,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:30:14,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091120620] [2022-07-19 23:30:14,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091120620] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:14,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:14,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:30:14,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968924327] [2022-07-19 23:30:14,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:14,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:30:14,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:30:14,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:30:14,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:30:14,682 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) [2022-07-19 23:30:14,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:14,756 INFO L93 Difference]: Finished difference Result 857 states and 1123 transitions. [2022-07-19 23:30:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:30:14,756 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 [2022-07-19 23:30:14,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:14,759 INFO L225 Difference]: With dead ends: 857 [2022-07-19 23:30:14,759 INFO L226 Difference]: Without dead ends: 468 [2022-07-19 23:30:14,760 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 [2022-07-19 23:30:14,760 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:30:14,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 294 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:30:14,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2022-07-19 23:30:14,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 455. [2022-07-19 23:30:14,781 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) [2022-07-19 23:30:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 597 transitions. [2022-07-19 23:30:14,784 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 597 transitions. Word has length 58 [2022-07-19 23:30:14,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:14,785 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 597 transitions. [2022-07-19 23:30:14,785 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) [2022-07-19 23:30:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 597 transitions. [2022-07-19 23:30:14,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-19 23:30:14,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:14,787 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] [2022-07-19 23:30:14,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-19 23:30:15,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:15,008 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:15,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:15,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1129629457, now seen corresponding path program 1 times [2022-07-19 23:30:15,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:15,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826288338] [2022-07-19 23:30:15,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:15,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:15,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:15,011 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) [2022-07-19 23:30:15,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-19 23:30:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:15,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 23:30:15,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-19 23:30:15,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:15,432 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:30:15,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826288338] [2022-07-19 23:30:15,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826288338] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:15,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:15,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:30:15,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44026228] [2022-07-19 23:30:15,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:15,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:30:15,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:30:15,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:30:15,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:30:15,433 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) [2022-07-19 23:30:15,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:15,499 INFO L93 Difference]: Finished difference Result 902 states and 1185 transitions. [2022-07-19 23:30:15,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:30:15,499 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 [2022-07-19 23:30:15,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:15,503 INFO L225 Difference]: With dead ends: 902 [2022-07-19 23:30:15,503 INFO L226 Difference]: Without dead ends: 455 [2022-07-19 23:30:15,505 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 [2022-07-19 23:30:15,506 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 [2022-07-19 23:30:15,508 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] [2022-07-19 23:30:15,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2022-07-19 23:30:15,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2022-07-19 23:30:15,532 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) [2022-07-19 23:30:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 593 transitions. [2022-07-19 23:30:15,534 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 593 transitions. Word has length 67 [2022-07-19 23:30:15,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:15,534 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 593 transitions. [2022-07-19 23:30:15,534 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) [2022-07-19 23:30:15,534 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 593 transitions. [2022-07-19 23:30:15,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-19 23:30:15,536 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:15,536 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] [2022-07-19 23:30:15,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-19 23:30:15,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:15,752 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:15,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:15,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1177912880, now seen corresponding path program 1 times [2022-07-19 23:30:15,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:15,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731423648] [2022-07-19 23:30:15,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:15,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:15,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:15,755 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) [2022-07-19 23:30:15,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-19 23:30:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:16,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-19 23:30:16,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-19 23:30:16,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:16,420 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:30:16,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731423648] [2022-07-19 23:30:16,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731423648] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:16,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:16,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 23:30:16,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268730017] [2022-07-19 23:30:16,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:16,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 23:30:16,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:30:16,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 23:30:16,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-19 23:30:16,422 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) [2022-07-19 23:30:17,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:17,794 INFO L93 Difference]: Finished difference Result 759 states and 1003 transitions. [2022-07-19 23:30:17,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-19 23:30:17,795 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 [2022-07-19 23:30:17,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:17,797 INFO L225 Difference]: With dead ends: 759 [2022-07-19 23:30:17,797 INFO L226 Difference]: Without dead ends: 533 [2022-07-19 23:30:17,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=259, Invalid=611, Unknown=0, NotChecked=0, Total=870 [2022-07-19 23:30:17,799 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1400 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:30:17,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1400 Valid, 1492 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 23:30:17,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2022-07-19 23:30:17,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 441. [2022-07-19 23:30:17,842 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) [2022-07-19 23:30:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 572 transitions. [2022-07-19 23:30:17,844 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 572 transitions. Word has length 73 [2022-07-19 23:30:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:17,845 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 572 transitions. [2022-07-19 23:30:17,845 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) [2022-07-19 23:30:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 572 transitions. [2022-07-19 23:30:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-19 23:30:17,846 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:17,846 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] [2022-07-19 23:30:17,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-19 23:30:18,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:18,047 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:18,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1647989290, now seen corresponding path program 1 times [2022-07-19 23:30:18,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:18,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050491131] [2022-07-19 23:30:18,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:18,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:18,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:18,049 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) [2022-07-19 23:30:18,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-19 23:30:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:30:18,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:30:18,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:30:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-19 23:30:18,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:30:18,550 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:30:18,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050491131] [2022-07-19 23:30:18,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050491131] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:30:18,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:30:18,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:30:18,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326856703] [2022-07-19 23:30:18,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:30:18,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:30:18,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:30:18,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:30:18,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:30:18,551 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) [2022-07-19 23:30:18,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:30:18,691 INFO L93 Difference]: Finished difference Result 1299 states and 1690 transitions. [2022-07-19 23:30:18,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:30:18,692 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 [2022-07-19 23:30:18,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:30:18,696 INFO L225 Difference]: With dead ends: 1299 [2022-07-19 23:30:18,697 INFO L226 Difference]: Without dead ends: 874 [2022-07-19 23:30:18,698 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 [2022-07-19 23:30:18,699 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 [2022-07-19 23:30:18,699 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] [2022-07-19 23:30:18,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2022-07-19 23:30:18,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 449. [2022-07-19 23:30:18,741 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) [2022-07-19 23:30:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 580 transitions. [2022-07-19 23:30:18,743 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 580 transitions. Word has length 73 [2022-07-19 23:30:18,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:30:18,744 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 580 transitions. [2022-07-19 23:30:18,744 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) [2022-07-19 23:30:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 580 transitions. [2022-07-19 23:30:18,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-19 23:30:18,745 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:30:18,746 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] [2022-07-19 23:30:18,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-19 23:30:18,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:18,960 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:30:18,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:30:18,960 INFO L85 PathProgramCache]: Analyzing trace with hash 368125612, now seen corresponding path program 1 times [2022-07-19 23:30:18,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:30:18,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032304896] [2022-07-19 23:30:18,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:30:18,961 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:30:18,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:30:18,962 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) [2022-07-19 23:30:18,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-19 23:30:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 23:30:21,033 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 23:30:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 23:30:23,301 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-19 23:30:23,302 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 23:30:23,303 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 23:30:23,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-19 23:30:23,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:30:23,519 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:30:23,522 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 23:30:23,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:30:23 BoogieIcfgContainer [2022-07-19 23:30:23,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 23:30:23,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 23:30:23,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 23:30:23,683 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 23:30:23,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:30:08" (3/4) ... [2022-07-19 23:30:23,686 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 23:30:23,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 23:30:23,686 INFO L158 Benchmark]: Toolchain (without parser) took 16998.05ms. Allocated memory was 58.7MB in the beginning and 151.0MB in the end (delta: 92.3MB). Free memory was 32.9MB in the beginning and 35.1MB in the end (delta: -2.2MB). Peak memory consumption was 89.2MB. Max. memory is 16.1GB. [2022-07-19 23:30:23,687 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:30:23,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1184.91ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 32.6MB in the beginning and 56.9MB in the end (delta: -24.3MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-07-19 23:30:23,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.78ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 52.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 23:30:23,687 INFO L158 Benchmark]: Boogie Preprocessor took 85.22ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 48.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 23:30:23,688 INFO L158 Benchmark]: RCFGBuilder took 920.39ms. Allocated memory is still 94.4MB. Free memory was 47.7MB in the beginning and 41.7MB in the end (delta: 6.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-07-19 23:30:23,688 INFO L158 Benchmark]: TraceAbstraction took 14689.70ms. Allocated memory was 94.4MB in the beginning and 151.0MB in the end (delta: 56.6MB). Free memory was 40.8MB in the beginning and 36.1MB in the end (delta: 4.7MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2022-07-19 23:30:23,688 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 151.0MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:30:23,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1184.91ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 32.6MB in the beginning and 56.9MB in the end (delta: -24.3MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.78ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 52.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.22ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 48.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 920.39ms. Allocated memory is still 94.4MB. Free memory was 47.7MB in the beginning and 41.7MB in the end (delta: 6.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14689.70ms. Allocated memory was 94.4MB in the beginning and 151.0MB in the end (delta: 56.6MB). Free memory was 40.8MB in the beginning and 36.1MB in the end (delta: 4.7MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 151.0MB. Free memory is still 35.1MB. 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: 14.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2565 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2565 mSDsluCounter, 4631 SdHoareTripleChecker+Invalid, 0.7s 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, 0.9s 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: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 553 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 1.1s 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 [2022-07-19 23:30:23,740 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample