./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.12-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-?-791161d [2022-07-22 23:43:51,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:43:51,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:43:51,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:43:51,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:43:51,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:43:51,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:43:51,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:43:51,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:43:51,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:43:51,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:43:51,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:43:51,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:43:51,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:43:51,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:43:51,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:43:51,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:43:51,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:43:51,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:43:51,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:43:51,978 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:43:51,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:43:51,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:43:51,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:43:51,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:43:51,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:43:51,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:43:51,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:43:51,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:43:51,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:43:51,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:43:51,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:43:51,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:43:51,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:43:51,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:43:51,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:43:51,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:43:52,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:43:52,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:43:52,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:43:52,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:43:52,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:43:52,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:43:52,023 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:43:52,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:43:52,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:43:52,024 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:43:52,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:43:52,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:43:52,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:43:52,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:43:52,026 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:43:52,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:43:52,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:43:52,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:43:52,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:43:52,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:43:52,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:43:52,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:43:52,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:43:52,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:43:52,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:43:52,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:43:52,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:43:52,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:43:52,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:43:52,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:43:52,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:43:52,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:43:52,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:43:52,030 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:43:52,030 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:43:52,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:43:52,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 570f71a4ef125473e8d858d9fb4e2164a899b7ee95a6020ace877d8b3dd9ef52 [2022-07-22 23:43:52,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:43:52,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:43:52,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:43:52,306 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:43:52,307 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:43:52,309 INFO L432 ainManager$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 [2022-07-22 23:43:52,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27cc2a8c5/beaf3d46c2834a93b295ab8523491f61/FLAGb49e7d8dc [2022-07-22 23:43:52,917 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:43:52,917 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 [2022-07-22 23:43:52,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27cc2a8c5/beaf3d46c2834a93b295ab8523491f61/FLAGb49e7d8dc [2022-07-22 23:43:53,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27cc2a8c5/beaf3d46c2834a93b295ab8523491f61 [2022-07-22 23:43:53,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:43:53,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:43:53,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:43:53,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:43:53,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:43:53,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:43:53" (1/1) ... [2022-07-22 23:43:53,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a096d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:53, skipping insertion in model container [2022-07-22 23:43:53,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:43:53" (1/1) ... [2022-07-22 23:43:53,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:43:53,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:43:53,663 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] [2022-07-22 23:43:53,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:43:53,854 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:43:53,955 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] [2022-07-22 23:43:54,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:43:54,034 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:43:54,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54 WrapperNode [2022-07-22 23:43:54,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:43:54,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:43:54,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:43:54,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:43:54,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54" (1/1) ... [2022-07-22 23:43:54,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54" (1/1) ... [2022-07-22 23:43:54,123 INFO L137 Inliner]: procedures = 69, calls = 242, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 564 [2022-07-22 23:43:54,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:43:54,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:43:54,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:43:54,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:43:54,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54" (1/1) ... [2022-07-22 23:43:54,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54" (1/1) ... [2022-07-22 23:43:54,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54" (1/1) ... [2022-07-22 23:43:54,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54" (1/1) ... [2022-07-22 23:43:54,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54" (1/1) ... [2022-07-22 23:43:54,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54" (1/1) ... [2022-07-22 23:43:54,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54" (1/1) ... [2022-07-22 23:43:54,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:43:54,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:43:54,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:43:54,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:43:54,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54" (1/1) ... [2022-07-22 23:43:54,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:43:54,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:43:54,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 23:43:54,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 23:43:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:43:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-22 23:43:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-22 23:43:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:43:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-22 23:43:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-22 23:43:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 23:43:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:43:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:43:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:43:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure cypress_load_firmware [2022-07-22 23:43:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure cypress_load_firmware [2022-07-22 23:43:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_disconnect [2022-07-22 23:43:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_disconnect [2022-07-22 23:43:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:43:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:43:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-22 23:43:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-22 23:43:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-22 23:43:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-22 23:43:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 23:43:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 23:43:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 23:43:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:43:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-22 23:43:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-22 23:43:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-22 23:43:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-22 23:43:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:43:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:43:54,424 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:43:54,426 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:43:54,553 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-22 23:43:54,624 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-22 23:43:54,974 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:43:54,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:43:54,983 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 23:43:54,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:43:54 BoogieIcfgContainer [2022-07-22 23:43:54,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:43:54,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:43:54,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:43:54,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:43:54,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:43:53" (1/3) ... [2022-07-22 23:43:54,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245cb43d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:43:54, skipping insertion in model container [2022-07-22 23:43:54,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:43:54" (2/3) ... [2022-07-22 23:43:54,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245cb43d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:43:54, skipping insertion in model container [2022-07-22 23:43:54,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:43:54" (3/3) ... [2022-07-22 23:43:54,995 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 [2022-07-22 23:43:55,009 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:43:55,010 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:43:55,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:43:55,064 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@1dc99525, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@d36933e [2022-07-22 23:43:55,064 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:43:55,077 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) [2022-07-22 23:43:55,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-22 23:43:55,085 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:43:55,086 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] [2022-07-22 23:43:55,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:43:55,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:43:55,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1946969106, now seen corresponding path program 1 times [2022-07-22 23:43:55,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:43:55,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795466074] [2022-07-22 23:43:55,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:43:55,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:43:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:43:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:55,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:43:55,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:43:55,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795466074] [2022-07-22 23:43:55,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795466074] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:43:55,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:43:55,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:43:55,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745889744] [2022-07-22 23:43:55,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:43:55,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:43:55,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:43:55,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:43:55,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:43:55,590 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) [2022-07-22 23:43:55,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:43:55,900 INFO L93 Difference]: Finished difference Result 370 states and 512 transitions. [2022-07-22 23:43:55,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:43:55,903 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 [2022-07-22 23:43:55,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:43:55,920 INFO L225 Difference]: With dead ends: 370 [2022-07-22 23:43:55,920 INFO L226 Difference]: Without dead ends: 222 [2022-07-22 23:43:55,926 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 [2022-07-22 23:43:55,937 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 [2022-07-22 23:43:55,938 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] [2022-07-22 23:43:55,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-07-22 23:43:56,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 218. [2022-07-22 23:43:56,018 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) [2022-07-22 23:43:56,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2022-07-22 23:43:56,027 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 22 [2022-07-22 23:43:56,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:43:56,027 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2022-07-22 23:43:56,028 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) [2022-07-22 23:43:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2022-07-22 23:43:56,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 23:43:56,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:43:56,032 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] [2022-07-22 23:43:56,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 23:43:56,033 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:43:56,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:43:56,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1842370729, now seen corresponding path program 1 times [2022-07-22 23:43:56,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:43:56,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5834174] [2022-07-22 23:43:56,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:43:56,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:43:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:43:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:43:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:43:56,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:43:56,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5834174] [2022-07-22 23:43:56,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5834174] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:43:56,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:43:56,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:43:56,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595478982] [2022-07-22 23:43:56,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:43:56,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:43:56,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:43:56,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:43:56,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:43:56,185 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) [2022-07-22 23:43:56,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:43:56,295 INFO L93 Difference]: Finished difference Result 248 states and 323 transitions. [2022-07-22 23:43:56,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:43:56,296 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 [2022-07-22 23:43:56,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:43:56,298 INFO L225 Difference]: With dead ends: 248 [2022-07-22 23:43:56,298 INFO L226 Difference]: Without dead ends: 235 [2022-07-22 23:43:56,299 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 [2022-07-22 23:43:56,300 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 [2022-07-22 23:43:56,300 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] [2022-07-22 23:43:56,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-07-22 23:43:56,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 218. [2022-07-22 23:43:56,314 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) [2022-07-22 23:43:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 286 transitions. [2022-07-22 23:43:56,316 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 286 transitions. Word has length 32 [2022-07-22 23:43:56,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:43:56,316 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 286 transitions. [2022-07-22 23:43:56,316 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) [2022-07-22 23:43:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 286 transitions. [2022-07-22 23:43:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 23:43:56,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:43:56,318 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] [2022-07-22 23:43:56,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 23:43:56,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:43:56,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:43:56,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1899629031, now seen corresponding path program 1 times [2022-07-22 23:43:56,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:43:56,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647821446] [2022-07-22 23:43:56,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:43:56,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:43:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:43:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:43:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:43:56,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:43:56,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647821446] [2022-07-22 23:43:56,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647821446] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:43:56,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:43:56,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:43:56,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688490974] [2022-07-22 23:43:56,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:43:56,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:43:56,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:43:56,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:43:56,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:43:56,419 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) [2022-07-22 23:43:56,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:43:56,505 INFO L93 Difference]: Finished difference Result 224 states and 291 transitions. [2022-07-22 23:43:56,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:43:56,506 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 [2022-07-22 23:43:56,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:43:56,508 INFO L225 Difference]: With dead ends: 224 [2022-07-22 23:43:56,508 INFO L226 Difference]: Without dead ends: 221 [2022-07-22 23:43:56,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:43:56,513 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 [2022-07-22 23:43:56,516 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] [2022-07-22 23:43:56,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-07-22 23:43:56,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 217. [2022-07-22 23:43:56,546 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) [2022-07-22 23:43:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 284 transitions. [2022-07-22 23:43:56,547 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 284 transitions. Word has length 32 [2022-07-22 23:43:56,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:43:56,548 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 284 transitions. [2022-07-22 23:43:56,548 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) [2022-07-22 23:43:56,548 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 284 transitions. [2022-07-22 23:43:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-22 23:43:56,553 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:43:56,553 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] [2022-07-22 23:43:56,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 23:43:56,554 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:43:56,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:43:56,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1241149330, now seen corresponding path program 1 times [2022-07-22 23:43:56,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:43:56,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746501083] [2022-07-22 23:43:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:43:56,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:43:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:43:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:43:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:43:56,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:43:56,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746501083] [2022-07-22 23:43:56,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746501083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:43:56,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:43:56,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:43:56,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015640102] [2022-07-22 23:43:56,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:43:56,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:43:56,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:43:56,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:43:56,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:43:56,693 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) [2022-07-22 23:43:56,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:43:56,890 INFO L93 Difference]: Finished difference Result 630 states and 825 transitions. [2022-07-22 23:43:56,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:43:56,891 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 [2022-07-22 23:43:56,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:43:56,894 INFO L225 Difference]: With dead ends: 630 [2022-07-22 23:43:56,894 INFO L226 Difference]: Without dead ends: 425 [2022-07-22 23:43:56,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:43:56,896 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 23:43:56,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 465 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 23:43:56,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2022-07-22 23:43:56,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 411. [2022-07-22 23:43:56,914 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) [2022-07-22 23:43:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 537 transitions. [2022-07-22 23:43:56,916 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 537 transitions. Word has length 33 [2022-07-22 23:43:56,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:43:56,917 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 537 transitions. [2022-07-22 23:43:56,917 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) [2022-07-22 23:43:56,917 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 537 transitions. [2022-07-22 23:43:56,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-22 23:43:56,918 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:43:56,918 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] [2022-07-22 23:43:56,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 23:43:56,919 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:43:56,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:43:56,919 INFO L85 PathProgramCache]: Analyzing trace with hash 178974154, now seen corresponding path program 1 times [2022-07-22 23:43:56,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:43:56,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073158835] [2022-07-22 23:43:56,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:43:56,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:43:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:43:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:43:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:43:56,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:43:56,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073158835] [2022-07-22 23:43:56,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073158835] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:43:56,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:43:56,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:43:56,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723765857] [2022-07-22 23:43:56,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:43:56,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:43:56,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:43:56,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:43:56,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:43:56,996 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) [2022-07-22 23:43:57,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:43:57,160 INFO L93 Difference]: Finished difference Result 423 states and 548 transitions. [2022-07-22 23:43:57,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:43:57,160 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 [2022-07-22 23:43:57,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:43:57,165 INFO L225 Difference]: With dead ends: 423 [2022-07-22 23:43:57,165 INFO L226 Difference]: Without dead ends: 420 [2022-07-22 23:43:57,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:43:57,166 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 [2022-07-22 23:43:57,166 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] [2022-07-22 23:43:57,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-07-22 23:43:57,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 412. [2022-07-22 23:43:57,187 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) [2022-07-22 23:43:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 538 transitions. [2022-07-22 23:43:57,190 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 538 transitions. Word has length 34 [2022-07-22 23:43:57,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:43:57,192 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 538 transitions. [2022-07-22 23:43:57,192 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) [2022-07-22 23:43:57,192 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 538 transitions. [2022-07-22 23:43:57,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-22 23:43:57,193 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:43:57,194 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] [2022-07-22 23:43:57,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 23:43:57,194 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:43:57,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:43:57,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1253134065, now seen corresponding path program 1 times [2022-07-22 23:43:57,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:43:57,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30574919] [2022-07-22 23:43:57,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:43:57,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:43:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:57,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:43:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:43:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:43:57,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:43:57,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30574919] [2022-07-22 23:43:57,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30574919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:43:57,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:43:57,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:43:57,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430982138] [2022-07-22 23:43:57,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:43:57,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:43:57,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:43:57,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:43:57,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:43:57,317 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) [2022-07-22 23:43:57,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:43:57,406 INFO L93 Difference]: Finished difference Result 420 states and 545 transitions. [2022-07-22 23:43:57,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:43:57,407 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 [2022-07-22 23:43:57,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:43:57,409 INFO L225 Difference]: With dead ends: 420 [2022-07-22 23:43:57,409 INFO L226 Difference]: Without dead ends: 417 [2022-07-22 23:43:57,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:43:57,410 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 [2022-07-22 23:43:57,411 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] [2022-07-22 23:43:57,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2022-07-22 23:43:57,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 411. [2022-07-22 23:43:57,432 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) [2022-07-22 23:43:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 536 transitions. [2022-07-22 23:43:57,435 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 536 transitions. Word has length 35 [2022-07-22 23:43:57,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:43:57,435 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 536 transitions. [2022-07-22 23:43:57,435 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) [2022-07-22 23:43:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 536 transitions. [2022-07-22 23:43:57,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-22 23:43:57,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:43:57,438 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] [2022-07-22 23:43:57,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 23:43:57,439 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:43:57,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:43:57,439 INFO L85 PathProgramCache]: Analyzing trace with hash 192357805, now seen corresponding path program 1 times [2022-07-22 23:43:57,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:43:57,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619426993] [2022-07-22 23:43:57,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:43:57,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:43:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:43:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:57,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:43:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:43:57,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:43:57,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619426993] [2022-07-22 23:43:57,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619426993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:43:57,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:43:57,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:43:57,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64961666] [2022-07-22 23:43:57,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:43:57,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:43:57,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:43:57,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:43:57,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:43:57,550 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) [2022-07-22 23:43:57,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:43:57,632 INFO L93 Difference]: Finished difference Result 419 states and 543 transitions. [2022-07-22 23:43:57,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:43:57,633 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 [2022-07-22 23:43:57,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:43:57,635 INFO L225 Difference]: With dead ends: 419 [2022-07-22 23:43:57,635 INFO L226 Difference]: Without dead ends: 407 [2022-07-22 23:43:57,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:43:57,636 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 [2022-07-22 23:43:57,637 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] [2022-07-22 23:43:57,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-07-22 23:43:57,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 401. [2022-07-22 23:43:57,654 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) [2022-07-22 23:43:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 523 transitions. [2022-07-22 23:43:57,670 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 523 transitions. Word has length 36 [2022-07-22 23:43:57,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:43:57,671 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 523 transitions. [2022-07-22 23:43:57,671 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) [2022-07-22 23:43:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 523 transitions. [2022-07-22 23:43:57,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-22 23:43:57,672 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:43:57,673 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] [2022-07-22 23:43:57,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 23:43:57,673 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:43:57,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:43:57,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1754403438, now seen corresponding path program 1 times [2022-07-22 23:43:57,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:43:57,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388524677] [2022-07-22 23:43:57,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:43:57,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:43:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:43:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:57,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 23:43:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:57,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-22 23:43:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:43:57,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:43:57,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388524677] [2022-07-22 23:43:57,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388524677] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:43:57,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:43:57,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:43:57,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139333957] [2022-07-22 23:43:57,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:43:57,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:43:57,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:43:57,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:43:57,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:43:57,765 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) [2022-07-22 23:43:57,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:43:57,892 INFO L93 Difference]: Finished difference Result 863 states and 1129 transitions. [2022-07-22 23:43:57,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:43:57,892 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 [2022-07-22 23:43:57,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:43:57,895 INFO L225 Difference]: With dead ends: 863 [2022-07-22 23:43:57,895 INFO L226 Difference]: Without dead ends: 474 [2022-07-22 23:43:57,896 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 [2022-07-22 23:43:57,897 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 [2022-07-22 23:43:57,897 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] [2022-07-22 23:43:57,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-07-22 23:43:57,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 455. [2022-07-22 23:43:57,915 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) [2022-07-22 23:43:57,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 597 transitions. [2022-07-22 23:43:57,918 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 597 transitions. Word has length 58 [2022-07-22 23:43:57,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:43:57,918 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 597 transitions. [2022-07-22 23:43:57,918 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) [2022-07-22 23:43:57,918 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 597 transitions. [2022-07-22 23:43:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-22 23:43:57,920 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:43:57,920 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] [2022-07-22 23:43:57,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 23:43:57,920 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:43:57,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:43:57,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1129629457, now seen corresponding path program 1 times [2022-07-22 23:43:57,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:43:57,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311718973] [2022-07-22 23:43:57,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:43:57,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:43:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:43:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:58,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:43:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 23:43:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:58,011 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 23:43:58,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:43:58,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311718973] [2022-07-22 23:43:58,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311718973] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:43:58,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:43:58,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:43:58,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464847121] [2022-07-22 23:43:58,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:43:58,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:43:58,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:43:58,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:43:58,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:43:58,014 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) [2022-07-22 23:43:58,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:43:58,249 INFO L93 Difference]: Finished difference Result 1351 states and 1775 transitions. [2022-07-22 23:43:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 23:43:58,250 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 [2022-07-22 23:43:58,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:43:58,254 INFO L225 Difference]: With dead ends: 1351 [2022-07-22 23:43:58,255 INFO L226 Difference]: Without dead ends: 912 [2022-07-22 23:43:58,255 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 [2022-07-22 23:43:58,256 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 [2022-07-22 23:43:58,256 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] [2022-07-22 23:43:58,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2022-07-22 23:43:58,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 463. [2022-07-22 23:43:58,288 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) [2022-07-22 23:43:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 605 transitions. [2022-07-22 23:43:58,291 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 605 transitions. Word has length 67 [2022-07-22 23:43:58,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:43:58,291 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 605 transitions. [2022-07-22 23:43:58,291 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) [2022-07-22 23:43:58,291 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 605 transitions. [2022-07-22 23:43:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-22 23:43:58,293 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:43:58,293 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] [2022-07-22 23:43:58,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 23:43:58,293 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:43:58,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:43:58,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1885474161, now seen corresponding path program 1 times [2022-07-22 23:43:58,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:43:58,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104351486] [2022-07-22 23:43:58,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:43:58,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:43:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:43:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:58,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:43:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:58,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 23:43:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 23:43:58,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:43:58,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104351486] [2022-07-22 23:43:58,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104351486] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:43:58,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:43:58,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:43:58,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624904190] [2022-07-22 23:43:58,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:43:58,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:43:58,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:43:58,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:43:58,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:43:58,422 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) [2022-07-22 23:43:58,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:43:58,560 INFO L93 Difference]: Finished difference Result 924 states and 1207 transitions. [2022-07-22 23:43:58,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:43:58,560 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 [2022-07-22 23:43:58,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:43:58,563 INFO L225 Difference]: With dead ends: 924 [2022-07-22 23:43:58,563 INFO L226 Difference]: Without dead ends: 469 [2022-07-22 23:43:58,564 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 [2022-07-22 23:43:58,565 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 [2022-07-22 23:43:58,565 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] [2022-07-22 23:43:58,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-07-22 23:43:58,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 463. [2022-07-22 23:43:58,589 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) [2022-07-22 23:43:58,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 601 transitions. [2022-07-22 23:43:58,592 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 601 transitions. Word has length 67 [2022-07-22 23:43:58,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:43:58,592 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 601 transitions. [2022-07-22 23:43:58,592 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) [2022-07-22 23:43:58,592 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 601 transitions. [2022-07-22 23:43:58,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-22 23:43:58,594 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:43:58,594 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] [2022-07-22 23:43:58,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 23:43:58,594 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:43:58,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:43:58,595 INFO L85 PathProgramCache]: Analyzing trace with hash -101950798, now seen corresponding path program 1 times [2022-07-22 23:43:58,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:43:58,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21776731] [2022-07-22 23:43:58,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:43:58,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:43:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:43:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:43:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 23:43:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 23:43:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:43:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 23:43:59,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:43:59,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21776731] [2022-07-22 23:43:59,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21776731] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:43:59,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:43:59,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-22 23:43:59,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702781758] [2022-07-22 23:43:59,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:43:59,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-22 23:43:59,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:43:59,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-22 23:43:59,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-07-22 23:43:59,005 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) [2022-07-22 23:44:00,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:00,314 INFO L93 Difference]: Finished difference Result 777 states and 1022 transitions. [2022-07-22 23:44:00,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-22 23:44:00,314 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 [2022-07-22 23:44:00,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:00,317 INFO L225 Difference]: With dead ends: 777 [2022-07-22 23:44:00,317 INFO L226 Difference]: Without dead ends: 547 [2022-07-22 23:44:00,318 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 [2022-07-22 23:44:00,318 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 [2022-07-22 23:44:00,319 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] [2022-07-22 23:44:00,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2022-07-22 23:44:00,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 449. [2022-07-22 23:44:00,387 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) [2022-07-22 23:44:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 580 transitions. [2022-07-22 23:44:00,389 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 580 transitions. Word has length 73 [2022-07-22 23:44:00,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:00,389 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 580 transitions. [2022-07-22 23:44:00,389 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) [2022-07-22 23:44:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 580 transitions. [2022-07-22 23:44:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-22 23:44:00,391 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:00,391 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] [2022-07-22 23:44:00,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 23:44:00,391 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:00,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:00,392 INFO L85 PathProgramCache]: Analyzing trace with hash 368125612, now seen corresponding path program 1 times [2022-07-22 23:44:00,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:44:00,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357157411] [2022-07-22 23:44:00,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:00,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:44:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 23:44:00,463 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 23:44:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 23:44:00,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 23:44:00,584 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 23:44:00,585 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 23:44:00,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-22 23:44:00,590 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:44:00,593 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 23:44:00,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 11:44:00 BoogieIcfgContainer [2022-07-22 23:44:00,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 23:44:00,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 23:44:00,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 23:44:00,742 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 23:44:00,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:43:54" (3/4) ... [2022-07-22 23:44:00,744 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 23:44:00,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 23:44:00,745 INFO L158 Benchmark]: Toolchain (without parser) took 7609.78ms. Allocated memory was 119.5MB in the beginning and 230.7MB in the end (delta: 111.1MB). Free memory was 95.7MB in the beginning and 137.3MB in the end (delta: -41.6MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. [2022-07-22 23:44:00,745 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:44:00,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 900.35ms. Allocated memory is still 119.5MB. Free memory was 95.4MB in the beginning and 70.4MB in the end (delta: 25.0MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-07-22 23:44:00,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.46ms. Allocated memory is still 119.5MB. Free memory was 70.4MB in the beginning and 65.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 23:44:00,746 INFO L158 Benchmark]: Boogie Preprocessor took 51.06ms. Allocated memory is still 119.5MB. Free memory was 65.4MB in the beginning and 61.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 23:44:00,747 INFO L158 Benchmark]: RCFGBuilder took 809.27ms. Allocated memory is still 119.5MB. Free memory was 61.2MB in the beginning and 58.3MB in the end (delta: 2.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-07-22 23:44:00,748 INFO L158 Benchmark]: TraceAbstraction took 5753.11ms. Allocated memory was 119.5MB in the beginning and 230.7MB in the end (delta: 111.1MB). Free memory was 57.6MB in the beginning and 137.3MB in the end (delta: -79.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-07-22 23:44:00,748 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 230.7MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:44:00,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 900.35ms. Allocated memory is still 119.5MB. Free memory was 95.4MB in the beginning and 70.4MB in the end (delta: 25.0MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.46ms. Allocated memory is still 119.5MB. Free memory was 70.4MB in the beginning and 65.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.06ms. Allocated memory is still 119.5MB. Free memory was 65.4MB in the beginning and 61.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 809.27ms. Allocated memory is still 119.5MB. Free memory was 61.2MB in the beginning and 58.3MB in the end (delta: 2.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5753.11ms. Allocated memory was 119.5MB in the beginning and 230.7MB in the end (delta: 111.1MB). Free memory was 57.6MB in the beginning and 137.3MB in the end (delta: -79.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 230.7MB. Free memory is still 137.3MB. 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: 5.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.9s 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, 1.2s 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 [2022-07-22 23:44:00,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.12-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-?-791161d [2022-07-22 23:44:02,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:44:02,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:44:02,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:44:02,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:44:02,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:44:02,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:44:02,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:44:02,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:44:02,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:44:02,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:44:02,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:44:02,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:44:02,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:44:02,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:44:02,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:44:02,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:44:02,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:44:02,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:44:02,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:44:02,811 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:44:02,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:44:02,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:44:02,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:44:02,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:44:02,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:44:02,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:44:02,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:44:02,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:44:02,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:44:02,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:44:02,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:44:02,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:44:02,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:44:02,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:44:02,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:44:02,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:44:02,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:44:02,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:44:02,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:44:02,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:44:02,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:44:02,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 23:44:02,871 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:44:02,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:44:02,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:44:02,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:44:02,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:44:02,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:44:02,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:44:02,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:44:02,874 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:44:02,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:44:02,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:44:02,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:44:02,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:44:02,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:44:02,876 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 23:44:02,877 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 23:44:02,877 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 23:44:02,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:44:02,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:44:02,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:44:02,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:44:02,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:44:02,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:44:02,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:44:02,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:44:02,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:44:02,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:44:02,879 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 23:44:02,879 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 23:44:02,880 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:44:02,880 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:44:02,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:44:02,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 23:44:02,881 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 570f71a4ef125473e8d858d9fb4e2164a899b7ee95a6020ace877d8b3dd9ef52 [2022-07-22 23:44:03,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:44:03,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:44:03,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:44:03,221 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:44:03,222 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:44:03,223 INFO L432 ainManager$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 [2022-07-22 23:44:03,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9febc5c30/4892a48dec8f4e32be1ed21366d0d11d/FLAG7524de5d4 [2022-07-22 23:44:03,873 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:44:03,873 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 [2022-07-22 23:44:03,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9febc5c30/4892a48dec8f4e32be1ed21366d0d11d/FLAG7524de5d4 [2022-07-22 23:44:04,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9febc5c30/4892a48dec8f4e32be1ed21366d0d11d [2022-07-22 23:44:04,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:44:04,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:44:04,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:44:04,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:44:04,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:44:04,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:44:04" (1/1) ... [2022-07-22 23:44:04,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f149d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:04, skipping insertion in model container [2022-07-22 23:44:04,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:44:04" (1/1) ... [2022-07-22 23:44:04,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:44:04,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:44:04,645 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] [2022-07-22 23:44:04,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:44:04,787 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 23:44:04,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:44:04,880 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] [2022-07-22 23:44:04,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:44:04,951 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:44:05,037 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] [2022-07-22 23:44:05,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:44:05,141 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:44:05,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05 WrapperNode [2022-07-22 23:44:05,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:44:05,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:44:05,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:44:05,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:44:05,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05" (1/1) ... [2022-07-22 23:44:05,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05" (1/1) ... [2022-07-22 23:44:05,241 INFO L137 Inliner]: procedures = 78, calls = 242, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 549 [2022-07-22 23:44:05,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:44:05,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:44:05,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:44:05,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:44:05,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05" (1/1) ... [2022-07-22 23:44:05,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05" (1/1) ... [2022-07-22 23:44:05,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05" (1/1) ... [2022-07-22 23:44:05,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05" (1/1) ... [2022-07-22 23:44:05,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05" (1/1) ... [2022-07-22 23:44:05,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05" (1/1) ... [2022-07-22 23:44:05,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05" (1/1) ... [2022-07-22 23:44:05,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:44:05,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:44:05,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:44:05,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:44:05,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05" (1/1) ... [2022-07-22 23:44:05,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:44:05,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:44:05,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 23:44:05,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 23:44:05,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:44:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 23:44:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-22 23:44:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-22 23:44:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:44:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 23:44:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-22 23:44:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-22 23:44:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:44:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:44:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:44:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure cypress_load_firmware [2022-07-22 23:44:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cypress_load_firmware [2022-07-22 23:44:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-22 23:44:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_disconnect [2022-07-22 23:44:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_disconnect [2022-07-22 23:44:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 23:44:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 23:44:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 23:44:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:44:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:44:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-22 23:44:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-22 23:44:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-22 23:44:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-22 23:44:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 23:44:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 23:44:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:44:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-22 23:44:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-22 23:44:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-22 23:44:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-22 23:44:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:44:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:44:05,737 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:44:05,739 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:44:05,818 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-22 23:44:05,864 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-22 23:44:06,399 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:44:06,407 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:44:06,407 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 23:44:06,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:44:06 BoogieIcfgContainer [2022-07-22 23:44:06,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:44:06,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:44:06,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:44:06,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:44:06,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:44:04" (1/3) ... [2022-07-22 23:44:06,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0bca15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:44:06, skipping insertion in model container [2022-07-22 23:44:06,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:44:05" (2/3) ... [2022-07-22 23:44:06,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0bca15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:44:06, skipping insertion in model container [2022-07-22 23:44:06,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:44:06" (3/3) ... [2022-07-22 23:44:06,416 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 [2022-07-22 23:44:06,435 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:44:06,436 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:44:06,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:44:06,515 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@7d6281ff, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2f24d60d [2022-07-22 23:44:06,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:44:06,520 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) [2022-07-22 23:44:06,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-22 23:44:06,529 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:06,530 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] [2022-07-22 23:44:06,531 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:06,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:06,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1946969106, now seen corresponding path program 1 times [2022-07-22 23:44:06,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:06,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153183690] [2022-07-22 23:44:06,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:06,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:06,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:06,552 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) [2022-07-22 23:44:06,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:44:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:44:06,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:44:06,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:44:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:44:06,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:44:06,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:44:06,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153183690] [2022-07-22 23:44:06,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [153183690] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:44:06,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:44:06,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:44:06,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115690749] [2022-07-22 23:44:06,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:44:06,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:44:06,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:44:06,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:44:06,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:44:06,995 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) [2022-07-22 23:44:07,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:07,167 INFO L93 Difference]: Finished difference Result 366 states and 508 transitions. [2022-07-22 23:44:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:44:07,170 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 [2022-07-22 23:44:07,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:07,179 INFO L225 Difference]: With dead ends: 366 [2022-07-22 23:44:07,179 INFO L226 Difference]: Without dead ends: 218 [2022-07-22 23:44:07,183 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 [2022-07-22 23:44:07,186 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 [2022-07-22 23:44:07,187 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] [2022-07-22 23:44:07,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-07-22 23:44:07,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2022-07-22 23:44:07,234 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) [2022-07-22 23:44:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2022-07-22 23:44:07,238 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 22 [2022-07-22 23:44:07,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:07,239 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2022-07-22 23:44:07,239 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) [2022-07-22 23:44:07,239 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2022-07-22 23:44:07,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 23:44:07,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:07,242 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] [2022-07-22 23:44:07,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-22 23:44:07,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:07,456 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:07,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:07,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1842370729, now seen corresponding path program 1 times [2022-07-22 23:44:07,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:07,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872974323] [2022-07-22 23:44:07,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:07,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:07,462 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) [2022-07-22 23:44:07,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:44:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:44:07,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:44:07,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:44:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:44:07,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:44:07,849 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:44:07,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872974323] [2022-07-22 23:44:07,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872974323] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:44:07,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:44:07,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:44:07,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93140867] [2022-07-22 23:44:07,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:44:07,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:44:07,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:44:07,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:44:07,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:44:07,853 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) [2022-07-22 23:44:07,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:07,934 INFO L93 Difference]: Finished difference Result 244 states and 319 transitions. [2022-07-22 23:44:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:44:07,935 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 [2022-07-22 23:44:07,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:07,937 INFO L225 Difference]: With dead ends: 244 [2022-07-22 23:44:07,939 INFO L226 Difference]: Without dead ends: 231 [2022-07-22 23:44:07,940 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 [2022-07-22 23:44:07,941 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 [2022-07-22 23:44:07,942 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] [2022-07-22 23:44:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-07-22 23:44:07,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 218. [2022-07-22 23:44:07,984 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) [2022-07-22 23:44:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 286 transitions. [2022-07-22 23:44:07,987 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 286 transitions. Word has length 32 [2022-07-22 23:44:07,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:07,988 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 286 transitions. [2022-07-22 23:44:07,988 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) [2022-07-22 23:44:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 286 transitions. [2022-07-22 23:44:07,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 23:44:07,993 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:07,993 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] [2022-07-22 23:44:08,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 23:44:08,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:08,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:08,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:08,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1899629031, now seen corresponding path program 1 times [2022-07-22 23:44:08,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:08,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [292867148] [2022-07-22 23:44:08,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:08,215 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:08,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:08,217 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) [2022-07-22 23:44:08,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 23:44:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:44:08,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 23:44:08,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:44:08,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:44:08,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:44:08,715 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:44:08,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [292867148] [2022-07-22 23:44:08,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [292867148] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:44:08,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:44:08,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 23:44:08,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462221884] [2022-07-22 23:44:08,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:44:08,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:44:08,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:44:08,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:44:08,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:44:08,722 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) [2022-07-22 23:44:08,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:08,746 INFO L93 Difference]: Finished difference Result 220 states and 287 transitions. [2022-07-22 23:44:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:44:08,747 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 [2022-07-22 23:44:08,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:08,750 INFO L225 Difference]: With dead ends: 220 [2022-07-22 23:44:08,750 INFO L226 Difference]: Without dead ends: 217 [2022-07-22 23:44:08,751 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 [2022-07-22 23:44:08,753 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 [2022-07-22 23:44:08,754 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] [2022-07-22 23:44:08,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-07-22 23:44:08,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-07-22 23:44:08,785 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) [2022-07-22 23:44:08,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 284 transitions. [2022-07-22 23:44:08,786 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 284 transitions. Word has length 32 [2022-07-22 23:44:08,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:08,787 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 284 transitions. [2022-07-22 23:44:08,787 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) [2022-07-22 23:44:08,787 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 284 transitions. [2022-07-22 23:44:08,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-22 23:44:08,788 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:08,788 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] [2022-07-22 23:44:08,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 23:44:09,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:09,004 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:09,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:09,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1241149330, now seen corresponding path program 1 times [2022-07-22 23:44:09,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:09,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [466121240] [2022-07-22 23:44:09,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:09,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:09,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:09,008 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) [2022-07-22 23:44:09,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 23:44:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:44:09,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 23:44:09,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:44:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:44:09,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:44:09,502 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:44:09,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [466121240] [2022-07-22 23:44:09,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [466121240] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:44:09,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:44:09,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 23:44:09,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842706601] [2022-07-22 23:44:09,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:44:09,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:44:09,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:44:09,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:44:09,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:44:09,507 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) [2022-07-22 23:44:09,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:09,579 INFO L93 Difference]: Finished difference Result 624 states and 819 transitions. [2022-07-22 23:44:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:44:09,580 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 [2022-07-22 23:44:09,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:09,588 INFO L225 Difference]: With dead ends: 624 [2022-07-22 23:44:09,589 INFO L226 Difference]: Without dead ends: 419 [2022-07-22 23:44:09,592 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 [2022-07-22 23:44:09,596 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 [2022-07-22 23:44:09,597 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] [2022-07-22 23:44:09,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2022-07-22 23:44:09,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 411. [2022-07-22 23:44:09,623 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) [2022-07-22 23:44:09,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 537 transitions. [2022-07-22 23:44:09,628 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 537 transitions. Word has length 33 [2022-07-22 23:44:09,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:09,628 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 537 transitions. [2022-07-22 23:44:09,628 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) [2022-07-22 23:44:09,628 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 537 transitions. [2022-07-22 23:44:09,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-22 23:44:09,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:09,631 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] [2022-07-22 23:44:09,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-22 23:44:09,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:09,847 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:09,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:09,848 INFO L85 PathProgramCache]: Analyzing trace with hash 178974154, now seen corresponding path program 1 times [2022-07-22 23:44:09,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:09,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346733285] [2022-07-22 23:44:09,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:09,849 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:09,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:09,850 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) [2022-07-22 23:44:09,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 23:44:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:44:10,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:44:10,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:44:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:44:10,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:44:10,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:44:10,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346733285] [2022-07-22 23:44:10,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346733285] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:44:10,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:44:10,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 23:44:10,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915824823] [2022-07-22 23:44:10,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:44:10,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:44:10,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:44:10,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:44:10,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:44:10,228 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) [2022-07-22 23:44:10,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:10,255 INFO L93 Difference]: Finished difference Result 417 states and 542 transitions. [2022-07-22 23:44:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:44:10,256 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 [2022-07-22 23:44:10,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:10,258 INFO L225 Difference]: With dead ends: 417 [2022-07-22 23:44:10,259 INFO L226 Difference]: Without dead ends: 414 [2022-07-22 23:44:10,259 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 [2022-07-22 23:44:10,260 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 [2022-07-22 23:44:10,260 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] [2022-07-22 23:44:10,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-07-22 23:44:10,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 412. [2022-07-22 23:44:10,286 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) [2022-07-22 23:44:10,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 538 transitions. [2022-07-22 23:44:10,288 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 538 transitions. Word has length 34 [2022-07-22 23:44:10,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:10,288 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 538 transitions. [2022-07-22 23:44:10,288 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) [2022-07-22 23:44:10,289 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 538 transitions. [2022-07-22 23:44:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-22 23:44:10,289 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:10,290 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] [2022-07-22 23:44:10,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 23:44:10,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:10,504 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:10,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:10,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1253134065, now seen corresponding path program 1 times [2022-07-22 23:44:10,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:10,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402573423] [2022-07-22 23:44:10,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:10,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:10,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:10,506 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) [2022-07-22 23:44:10,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-22 23:44:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:44:10,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:44:10,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:44:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:44:10,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:44:10,861 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:44:10,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402573423] [2022-07-22 23:44:10,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [402573423] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:44:10,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:44:10,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 23:44:10,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881381988] [2022-07-22 23:44:10,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:44:10,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:44:10,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:44:10,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:44:10,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:44:10,863 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) [2022-07-22 23:44:10,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:10,882 INFO L93 Difference]: Finished difference Result 414 states and 539 transitions. [2022-07-22 23:44:10,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:44:10,882 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 [2022-07-22 23:44:10,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:10,885 INFO L225 Difference]: With dead ends: 414 [2022-07-22 23:44:10,885 INFO L226 Difference]: Without dead ends: 411 [2022-07-22 23:44:10,886 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 [2022-07-22 23:44:10,886 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 [2022-07-22 23:44:10,887 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] [2022-07-22 23:44:10,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-07-22 23:44:10,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2022-07-22 23:44:10,905 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) [2022-07-22 23:44:10,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 536 transitions. [2022-07-22 23:44:10,907 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 536 transitions. Word has length 35 [2022-07-22 23:44:10,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:10,908 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 536 transitions. [2022-07-22 23:44:10,908 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) [2022-07-22 23:44:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 536 transitions. [2022-07-22 23:44:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-22 23:44:10,909 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:10,909 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] [2022-07-22 23:44:10,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-22 23:44:11,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:11,126 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:11,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:11,127 INFO L85 PathProgramCache]: Analyzing trace with hash 192357805, now seen corresponding path program 1 times [2022-07-22 23:44:11,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:11,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87267363] [2022-07-22 23:44:11,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:11,128 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:11,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:11,130 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) [2022-07-22 23:44:11,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-22 23:44:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:44:11,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:44:11,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:44:11,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 23:44:11,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:44:11,454 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:44:11,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87267363] [2022-07-22 23:44:11,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87267363] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:44:11,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:44:11,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 23:44:11,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107459762] [2022-07-22 23:44:11,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:44:11,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:44:11,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:44:11,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:44:11,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:44:11,456 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) [2022-07-22 23:44:11,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:11,477 INFO L93 Difference]: Finished difference Result 413 states and 537 transitions. [2022-07-22 23:44:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:44:11,478 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 [2022-07-22 23:44:11,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:11,480 INFO L225 Difference]: With dead ends: 413 [2022-07-22 23:44:11,480 INFO L226 Difference]: Without dead ends: 401 [2022-07-22 23:44:11,481 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 [2022-07-22 23:44:11,482 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 [2022-07-22 23:44:11,482 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] [2022-07-22 23:44:11,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-07-22 23:44:11,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2022-07-22 23:44:11,507 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) [2022-07-22 23:44:11,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 523 transitions. [2022-07-22 23:44:11,510 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 523 transitions. Word has length 36 [2022-07-22 23:44:11,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:11,510 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 523 transitions. [2022-07-22 23:44:11,510 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) [2022-07-22 23:44:11,511 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 523 transitions. [2022-07-22 23:44:11,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-22 23:44:11,515 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:11,515 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] [2022-07-22 23:44:11,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-22 23:44:11,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:11,732 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:11,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:11,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1754403438, now seen corresponding path program 1 times [2022-07-22 23:44:11,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:11,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544501772] [2022-07-22 23:44:11,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:11,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:11,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:11,735 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) [2022-07-22 23:44:11,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-22 23:44:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:44:12,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:44:12,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:44:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:44:12,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:44:12,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:44:12,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544501772] [2022-07-22 23:44:12,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544501772] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:44:12,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:44:12,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:44:12,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435670615] [2022-07-22 23:44:12,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:44:12,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:44:12,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:44:12,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:44:12,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:44:12,157 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) [2022-07-22 23:44:12,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:12,237 INFO L93 Difference]: Finished difference Result 857 states and 1123 transitions. [2022-07-22 23:44:12,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:44:12,238 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 [2022-07-22 23:44:12,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:12,240 INFO L225 Difference]: With dead ends: 857 [2022-07-22 23:44:12,240 INFO L226 Difference]: Without dead ends: 468 [2022-07-22 23:44:12,241 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 [2022-07-22 23:44:12,242 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 [2022-07-22 23:44:12,242 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] [2022-07-22 23:44:12,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2022-07-22 23:44:12,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 455. [2022-07-22 23:44:12,261 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) [2022-07-22 23:44:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 597 transitions. [2022-07-22 23:44:12,263 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 597 transitions. Word has length 58 [2022-07-22 23:44:12,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:12,263 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 597 transitions. [2022-07-22 23:44:12,263 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) [2022-07-22 23:44:12,263 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 597 transitions. [2022-07-22 23:44:12,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-22 23:44:12,265 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:12,265 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] [2022-07-22 23:44:12,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-22 23:44:12,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:12,480 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:12,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:12,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1129629457, now seen corresponding path program 1 times [2022-07-22 23:44:12,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:12,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571053186] [2022-07-22 23:44:12,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:12,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:12,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:12,482 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) [2022-07-22 23:44:12,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-22 23:44:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:44:12,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 23:44:12,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:44:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 23:44:12,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:44:12,931 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:44:12,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571053186] [2022-07-22 23:44:12,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571053186] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:44:12,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:44:12,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:44:12,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392114121] [2022-07-22 23:44:12,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:44:12,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:44:12,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:44:12,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:44:12,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:44:12,932 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) [2022-07-22 23:44:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:12,980 INFO L93 Difference]: Finished difference Result 902 states and 1185 transitions. [2022-07-22 23:44:12,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:44:12,981 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 [2022-07-22 23:44:12,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:12,985 INFO L225 Difference]: With dead ends: 902 [2022-07-22 23:44:12,985 INFO L226 Difference]: Without dead ends: 455 [2022-07-22 23:44:12,986 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 [2022-07-22 23:44:12,988 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 [2022-07-22 23:44:12,988 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] [2022-07-22 23:44:12,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2022-07-22 23:44:13,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2022-07-22 23:44:13,005 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) [2022-07-22 23:44:13,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 593 transitions. [2022-07-22 23:44:13,007 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 593 transitions. Word has length 67 [2022-07-22 23:44:13,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:13,007 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 593 transitions. [2022-07-22 23:44:13,007 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) [2022-07-22 23:44:13,007 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 593 transitions. [2022-07-22 23:44:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-22 23:44:13,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:13,009 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] [2022-07-22 23:44:13,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-22 23:44:13,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:13,224 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:13,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:13,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1177912880, now seen corresponding path program 1 times [2022-07-22 23:44:13,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:13,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534010461] [2022-07-22 23:44:13,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:13,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:13,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:13,227 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) [2022-07-22 23:44:13,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-22 23:44:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:44:13,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-22 23:44:13,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:44:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 23:44:13,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:44:13,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:44:13,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534010461] [2022-07-22 23:44:13,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1534010461] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:44:13,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:44:13,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 23:44:13,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144190021] [2022-07-22 23:44:13,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:44:13,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 23:44:13,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:44:13,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 23:44:13,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-22 23:44:13,882 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) [2022-07-22 23:44:15,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:15,304 INFO L93 Difference]: Finished difference Result 759 states and 1003 transitions. [2022-07-22 23:44:15,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-22 23:44:15,305 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 [2022-07-22 23:44:15,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:15,307 INFO L225 Difference]: With dead ends: 759 [2022-07-22 23:44:15,307 INFO L226 Difference]: Without dead ends: 533 [2022-07-22 23:44:15,308 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 [2022-07-22 23:44:15,309 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1400 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-07-22 23:44:15,309 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] [2022-07-22 23:44:15,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2022-07-22 23:44:15,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 441. [2022-07-22 23:44:15,335 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) [2022-07-22 23:44:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 572 transitions. [2022-07-22 23:44:15,337 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 572 transitions. Word has length 73 [2022-07-22 23:44:15,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:15,337 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 572 transitions. [2022-07-22 23:44:15,337 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) [2022-07-22 23:44:15,337 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 572 transitions. [2022-07-22 23:44:15,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-22 23:44:15,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:15,339 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] [2022-07-22 23:44:15,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-22 23:44:15,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:15,558 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:15,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:15,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1647989290, now seen corresponding path program 1 times [2022-07-22 23:44:15,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:15,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676601300] [2022-07-22 23:44:15,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:15,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:15,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:15,560 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) [2022-07-22 23:44:15,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-22 23:44:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:44:15,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 23:44:15,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:44:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 23:44:15,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:44:15,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:44:15,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [676601300] [2022-07-22 23:44:15,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [676601300] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:44:15,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:44:15,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:44:15,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677619630] [2022-07-22 23:44:15,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:44:15,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:44:15,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:44:15,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:44:15,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:44:15,980 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) [2022-07-22 23:44:16,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:44:16,100 INFO L93 Difference]: Finished difference Result 1299 states and 1690 transitions. [2022-07-22 23:44:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:44:16,100 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 [2022-07-22 23:44:16,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:44:16,110 INFO L225 Difference]: With dead ends: 1299 [2022-07-22 23:44:16,110 INFO L226 Difference]: Without dead ends: 874 [2022-07-22 23:44:16,111 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 [2022-07-22 23:44:16,111 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 [2022-07-22 23:44:16,112 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] [2022-07-22 23:44:16,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2022-07-22 23:44:16,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 449. [2022-07-22 23:44:16,146 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) [2022-07-22 23:44:16,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 580 transitions. [2022-07-22 23:44:16,148 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 580 transitions. Word has length 73 [2022-07-22 23:44:16,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:44:16,148 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 580 transitions. [2022-07-22 23:44:16,148 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) [2022-07-22 23:44:16,149 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 580 transitions. [2022-07-22 23:44:16,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-22 23:44:16,150 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:44:16,150 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] [2022-07-22 23:44:16,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-22 23:44:16,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:16,372 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:44:16,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:44:16,372 INFO L85 PathProgramCache]: Analyzing trace with hash 368125612, now seen corresponding path program 1 times [2022-07-22 23:44:16,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:44:16,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812833708] [2022-07-22 23:44:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:44:16,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:44:16,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:44:16,374 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) [2022-07-22 23:44:16,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-22 23:44:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 23:44:18,344 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 23:44:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 23:44:20,522 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-22 23:44:20,522 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 23:44:20,535 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 23:44:20,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-22 23:44:20,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:44:20,750 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:44:20,754 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 23:44:20,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 11:44:20 BoogieIcfgContainer [2022-07-22 23:44:20,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 23:44:20,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 23:44:20,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 23:44:20,915 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 23:44:20,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:44:06" (3/4) ... [2022-07-22 23:44:20,918 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 23:44:20,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 23:44:20,919 INFO L158 Benchmark]: Toolchain (without parser) took 16827.90ms. Allocated memory was 65.0MB in the beginning and 161.5MB in the end (delta: 96.5MB). Free memory was 40.9MB in the beginning and 68.8MB in the end (delta: -27.9MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2022-07-22 23:44:20,919 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:44:20,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1048.54ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 40.7MB in the beginning and 62.3MB in the end (delta: -21.6MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2022-07-22 23:44:20,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.56ms. Allocated memory is still 100.7MB. Free memory was 62.3MB in the beginning and 57.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 23:44:20,920 INFO L158 Benchmark]: Boogie Preprocessor took 94.76ms. Allocated memory is still 100.7MB. Free memory was 57.7MB in the beginning and 53.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 23:44:20,920 INFO L158 Benchmark]: RCFGBuilder took 1065.64ms. Allocated memory is still 100.7MB. Free memory was 53.2MB in the beginning and 46.7MB in the end (delta: 6.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-07-22 23:44:20,921 INFO L158 Benchmark]: TraceAbstraction took 14503.69ms. Allocated memory was 100.7MB in the beginning and 161.5MB in the end (delta: 60.8MB). Free memory was 46.2MB in the beginning and 69.9MB in the end (delta: -23.7MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-07-22 23:44:20,921 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 161.5MB. Free memory was 69.9MB in the beginning and 68.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:44:20,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1048.54ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 40.7MB in the beginning and 62.3MB in the end (delta: -21.6MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.56ms. Allocated memory is still 100.7MB. Free memory was 62.3MB in the beginning and 57.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.76ms. Allocated memory is still 100.7MB. Free memory was 57.7MB in the beginning and 53.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1065.64ms. Allocated memory is still 100.7MB. Free memory was 53.2MB in the beginning and 46.7MB in the end (delta: 6.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14503.69ms. Allocated memory was 100.7MB in the beginning and 161.5MB in the end (delta: 60.8MB). Free memory was 46.2MB in the beginning and 69.9MB in the end (delta: -23.7MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 161.5MB. Free memory was 69.9MB in the beginning and 68.8MB in the end (delta: 1.0MB). 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: 14.3s, 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, 0.8s 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, 1.0s 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, 4.4s 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 [2022-07-22 23:44:20,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample