./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 6c24879c 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-?-6c24879 [2022-07-12 12:28:08,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:28:08,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:28:08,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:28:08,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:28:08,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:28:08,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:28:08,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:28:08,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:28:08,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:28:08,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:28:08,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:28:08,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:28:08,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:28:08,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:28:08,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:28:08,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:28:08,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:28:08,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:28:08,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:28:08,500 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:28:08,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:28:08,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:28:08,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:28:08,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:28:08,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:28:08,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:28:08,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:28:08,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:28:08,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:28:08,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:28:08,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:28:08,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:28:08,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:28:08,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:28:08,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:28:08,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:28:08,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:28:08,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:28:08,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:28:08,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:28:08,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:28:08,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:28:08,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:28:08,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:28:08,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:28:08,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:28:08,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:28:08,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:28:08,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:28:08,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:28:08,542 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:28:08,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:28:08,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:28:08,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:28:08,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:28:08,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:28:08,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:28:08,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:28:08,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:28:08,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:28:08,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:28:08,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:28:08,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:28:08,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:28:08,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:28:08,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:28:08,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:28:08,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:28:08,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:28:08,546 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:28:08,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:28:08,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:28:08,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 570f71a4ef125473e8d858d9fb4e2164a899b7ee95a6020ace877d8b3dd9ef52 [2022-07-12 12:28:08,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:28:08,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:28:08,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:28:08,799 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:28:08,799 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:28:08,800 INFO L432 ainManager$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 [2022-07-12 12:28:08,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974dfd1f6/e78880804b5f4bd2a33007a5b7a0d47a/FLAG674bd595a [2022-07-12 12:28:09,458 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:28:09,459 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 [2022-07-12 12:28:09,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974dfd1f6/e78880804b5f4bd2a33007a5b7a0d47a/FLAG674bd595a [2022-07-12 12:28:09,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974dfd1f6/e78880804b5f4bd2a33007a5b7a0d47a [2022-07-12 12:28:09,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:28:09,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:28:09,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:28:09,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:28:09,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:28:09,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:28:09" (1/1) ... [2022-07-12 12:28:09,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1941f132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:09, skipping insertion in model container [2022-07-12 12:28:09,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:28:09" (1/1) ... [2022-07-12 12:28:09,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:28:09,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:28:10,436 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] [2022-07-12 12:28:10,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:28:10,601 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:28:10,713 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] [2022-07-12 12:28:10,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:28:10,770 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:28:10,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10 WrapperNode [2022-07-12 12:28:10,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:28:10,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:28:10,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:28:10,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:28:10,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10" (1/1) ... [2022-07-12 12:28:10,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10" (1/1) ... [2022-07-12 12:28:10,849 INFO L137 Inliner]: procedures = 69, calls = 242, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 564 [2022-07-12 12:28:10,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:28:10,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:28:10,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:28:10,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:28:10,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10" (1/1) ... [2022-07-12 12:28:10,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10" (1/1) ... [2022-07-12 12:28:10,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10" (1/1) ... [2022-07-12 12:28:10,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10" (1/1) ... [2022-07-12 12:28:10,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10" (1/1) ... [2022-07-12 12:28:10,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10" (1/1) ... [2022-07-12 12:28:10,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10" (1/1) ... [2022-07-12 12:28:10,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:28:10,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:28:10,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:28:10,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:28:10,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10" (1/1) ... [2022-07-12 12:28:10,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:28:10,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:28:10,962 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) [2022-07-12 12:28:10,968 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 [2022-07-12 12:28:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:28:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 12:28:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 12:28:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:28:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:28:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure cypress_load_firmware [2022-07-12 12:28:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cypress_load_firmware [2022-07-12 12:28:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_disconnect [2022-07-12 12:28:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_disconnect [2022-07-12 12:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:28:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-12 12:28:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-12 12:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-12 12:28:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-12 12:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:28:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-12 12:28:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-12 12:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:28:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:28:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:28:11,253 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:28:11,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:28:11,317 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-12 12:28:11,335 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:28:11,673 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:28:11,682 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:28:11,683 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 12:28:11,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:28:11 BoogieIcfgContainer [2022-07-12 12:28:11,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:28:11,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:28:11,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:28:11,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:28:11,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:28:09" (1/3) ... [2022-07-12 12:28:11,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61761918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:28:11, skipping insertion in model container [2022-07-12 12:28:11,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:10" (2/3) ... [2022-07-12 12:28:11,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61761918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:28:11, skipping insertion in model container [2022-07-12 12:28:11,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:28:11" (3/3) ... [2022-07-12 12:28:11,695 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 [2022-07-12 12:28:11,707 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:28:11,707 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:28:11,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:28:11,769 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@2d6c7935, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@747b0a36 [2022-07-12 12:28:11,770 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:28:11,775 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) [2022-07-12 12:28:11,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-12 12:28:11,786 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:11,787 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] [2022-07-12 12:28:11,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:11,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:11,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1946969106, now seen corresponding path program 1 times [2022-07-12 12:28:11,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:11,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604629950] [2022-07-12 12:28:11,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:11,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:12,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:28:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:28:12,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:28:12,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604629950] [2022-07-12 12:28:12,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604629950] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:12,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:12,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:28:12,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345953265] [2022-07-12 12:28:12,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:12,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:28:12,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:28:12,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:28:12,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:28:12,258 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) [2022-07-12 12:28:12,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:12,530 INFO L93 Difference]: Finished difference Result 370 states and 512 transitions. [2022-07-12 12:28:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:28:12,533 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 [2022-07-12 12:28:12,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:12,575 INFO L225 Difference]: With dead ends: 370 [2022-07-12 12:28:12,576 INFO L226 Difference]: Without dead ends: 222 [2022-07-12 12:28:12,580 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 [2022-07-12 12:28:12,588 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 162 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:28:12,589 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] [2022-07-12 12:28:12,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-07-12 12:28:12,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 218. [2022-07-12 12:28:12,658 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) [2022-07-12 12:28:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2022-07-12 12:28:12,666 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 22 [2022-07-12 12:28:12,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:12,666 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2022-07-12 12:28:12,667 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) [2022-07-12 12:28:12,667 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2022-07-12 12:28:12,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-12 12:28:12,670 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:12,670 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] [2022-07-12 12:28:12,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:28:12,671 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:12,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:12,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1842370729, now seen corresponding path program 1 times [2022-07-12 12:28:12,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:12,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948060774] [2022-07-12 12:28:12,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:12,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:12,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:28:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:12,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:28:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:12,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:28:12,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948060774] [2022-07-12 12:28:12,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948060774] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:12,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:12,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:28:12,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648569571] [2022-07-12 12:28:12,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:12,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:28:12,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:28:12,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:28:12,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:28:12,793 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) [2022-07-12 12:28:12,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:12,894 INFO L93 Difference]: Finished difference Result 248 states and 323 transitions. [2022-07-12 12:28:12,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:28:12,894 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 [2022-07-12 12:28:12,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:12,897 INFO L225 Difference]: With dead ends: 248 [2022-07-12 12:28:12,897 INFO L226 Difference]: Without dead ends: 235 [2022-07-12 12:28:12,897 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 [2022-07-12 12:28:12,900 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 [2022-07-12 12:28:12,903 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] [2022-07-12 12:28:12,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-07-12 12:28:12,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 218. [2022-07-12 12:28:12,930 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) [2022-07-12 12:28:12,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 286 transitions. [2022-07-12 12:28:12,932 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 286 transitions. Word has length 32 [2022-07-12 12:28:12,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:12,932 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 286 transitions. [2022-07-12 12:28:12,933 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) [2022-07-12 12:28:12,933 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 286 transitions. [2022-07-12 12:28:12,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-12 12:28:12,938 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:12,938 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] [2022-07-12 12:28:12,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:28:12,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:12,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:12,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1899629031, now seen corresponding path program 1 times [2022-07-12 12:28:12,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:12,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331731361] [2022-07-12 12:28:12,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:12,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:28:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:28:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:13,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:28:13,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331731361] [2022-07-12 12:28:13,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331731361] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:13,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:13,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:28:13,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058305509] [2022-07-12 12:28:13,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:13,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:28:13,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:28:13,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:28:13,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:28:13,081 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) [2022-07-12 12:28:13,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:13,168 INFO L93 Difference]: Finished difference Result 224 states and 291 transitions. [2022-07-12 12:28:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 12:28:13,169 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 [2022-07-12 12:28:13,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:13,170 INFO L225 Difference]: With dead ends: 224 [2022-07-12 12:28:13,170 INFO L226 Difference]: Without dead ends: 221 [2022-07-12 12:28:13,172 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 [2022-07-12 12:28:13,174 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 [2022-07-12 12:28:13,175 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] [2022-07-12 12:28:13,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-07-12 12:28:13,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 217. [2022-07-12 12:28:13,194 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) [2022-07-12 12:28:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 284 transitions. [2022-07-12 12:28:13,196 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 284 transitions. Word has length 32 [2022-07-12 12:28:13,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:13,196 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 284 transitions. [2022-07-12 12:28:13,196 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) [2022-07-12 12:28:13,196 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 284 transitions. [2022-07-12 12:28:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-12 12:28:13,198 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:13,198 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] [2022-07-12 12:28:13,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 12:28:13,199 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:13,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:13,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1241149330, now seen corresponding path program 1 times [2022-07-12 12:28:13,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:13,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535004741] [2022-07-12 12:28:13,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:13,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:28:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:28:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:13,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:28:13,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535004741] [2022-07-12 12:28:13,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535004741] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:13,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:13,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:28:13,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315774568] [2022-07-12 12:28:13,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:13,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:28:13,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:28:13,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:28:13,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:28:13,300 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) [2022-07-12 12:28:13,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:13,478 INFO L93 Difference]: Finished difference Result 630 states and 825 transitions. [2022-07-12 12:28:13,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:28:13,479 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 [2022-07-12 12:28:13,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:13,482 INFO L225 Difference]: With dead ends: 630 [2022-07-12 12:28:13,482 INFO L226 Difference]: Without dead ends: 425 [2022-07-12 12:28:13,483 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 [2022-07-12 12:28:13,483 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 154 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:28:13,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 465 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:28:13,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2022-07-12 12:28:13,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 411. [2022-07-12 12:28:13,502 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) [2022-07-12 12:28:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 537 transitions. [2022-07-12 12:28:13,505 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 537 transitions. Word has length 33 [2022-07-12 12:28:13,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:13,505 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 537 transitions. [2022-07-12 12:28:13,505 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) [2022-07-12 12:28:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 537 transitions. [2022-07-12 12:28:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-12 12:28:13,506 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:13,506 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:28:13,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 12:28:13,507 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:13,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:13,507 INFO L85 PathProgramCache]: Analyzing trace with hash 178974154, now seen corresponding path program 1 times [2022-07-12 12:28:13,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:13,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190620380] [2022-07-12 12:28:13,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:13,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:28:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:28:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:13,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:28:13,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190620380] [2022-07-12 12:28:13,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190620380] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:13,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:13,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:28:13,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315508148] [2022-07-12 12:28:13,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:13,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:28:13,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:28:13,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:28:13,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:28:13,614 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) [2022-07-12 12:28:13,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:13,775 INFO L93 Difference]: Finished difference Result 423 states and 548 transitions. [2022-07-12 12:28:13,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:28:13,776 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 [2022-07-12 12:28:13,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:13,779 INFO L225 Difference]: With dead ends: 423 [2022-07-12 12:28:13,779 INFO L226 Difference]: Without dead ends: 420 [2022-07-12 12:28:13,779 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 [2022-07-12 12:28:13,780 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 [2022-07-12 12:28:13,780 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] [2022-07-12 12:28:13,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-07-12 12:28:13,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 412. [2022-07-12 12:28:13,798 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) [2022-07-12 12:28:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 538 transitions. [2022-07-12 12:28:13,800 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 538 transitions. Word has length 34 [2022-07-12 12:28:13,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:13,800 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 538 transitions. [2022-07-12 12:28:13,801 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) [2022-07-12 12:28:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 538 transitions. [2022-07-12 12:28:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-12 12:28:13,802 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:13,802 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] [2022-07-12 12:28:13,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 12:28:13,802 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:13,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:13,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1253134065, now seen corresponding path program 1 times [2022-07-12 12:28:13,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:13,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635843665] [2022-07-12 12:28:13,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:13,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:28:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:28:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:13,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:28:13,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635843665] [2022-07-12 12:28:13,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635843665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:13,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:13,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:28:13,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497106058] [2022-07-12 12:28:13,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:13,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:28:13,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:28:13,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:28:13,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:28:13,871 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) [2022-07-12 12:28:13,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:13,959 INFO L93 Difference]: Finished difference Result 420 states and 545 transitions. [2022-07-12 12:28:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 12:28:13,959 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 [2022-07-12 12:28:13,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:13,964 INFO L225 Difference]: With dead ends: 420 [2022-07-12 12:28:13,964 INFO L226 Difference]: Without dead ends: 417 [2022-07-12 12:28:13,966 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 [2022-07-12 12:28:13,968 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 [2022-07-12 12:28:13,968 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] [2022-07-12 12:28:13,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2022-07-12 12:28:13,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 411. [2022-07-12 12:28:13,991 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) [2022-07-12 12:28:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 536 transitions. [2022-07-12 12:28:13,994 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 536 transitions. Word has length 35 [2022-07-12 12:28:13,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:13,995 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 536 transitions. [2022-07-12 12:28:13,995 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) [2022-07-12 12:28:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 536 transitions. [2022-07-12 12:28:13,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-12 12:28:13,996 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:13,996 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] [2022-07-12 12:28:13,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 12:28:13,997 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:13,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:13,997 INFO L85 PathProgramCache]: Analyzing trace with hash 192357805, now seen corresponding path program 1 times [2022-07-12 12:28:13,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:13,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140307974] [2022-07-12 12:28:13,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:13,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:28:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:28:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:14,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:28:14,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140307974] [2022-07-12 12:28:14,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140307974] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:14,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:14,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:28:14,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324633192] [2022-07-12 12:28:14,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:14,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:28:14,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:28:14,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:28:14,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:28:14,109 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) [2022-07-12 12:28:14,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:14,192 INFO L93 Difference]: Finished difference Result 419 states and 543 transitions. [2022-07-12 12:28:14,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 12:28:14,193 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 [2022-07-12 12:28:14,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:14,195 INFO L225 Difference]: With dead ends: 419 [2022-07-12 12:28:14,195 INFO L226 Difference]: Without dead ends: 407 [2022-07-12 12:28:14,196 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 [2022-07-12 12:28:14,196 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 [2022-07-12 12:28:14,197 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] [2022-07-12 12:28:14,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-07-12 12:28:14,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 401. [2022-07-12 12:28:14,220 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) [2022-07-12 12:28:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 523 transitions. [2022-07-12 12:28:14,222 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 523 transitions. Word has length 36 [2022-07-12 12:28:14,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:14,222 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 523 transitions. [2022-07-12 12:28:14,222 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) [2022-07-12 12:28:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 523 transitions. [2022-07-12 12:28:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-12 12:28:14,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:14,224 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] [2022-07-12 12:28:14,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 12:28:14,224 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:14,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:14,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1754403438, now seen corresponding path program 1 times [2022-07-12 12:28:14,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:14,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487774758] [2022-07-12 12:28:14,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:14,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:28:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 12:28:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 12:28:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:14,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:28:14,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487774758] [2022-07-12 12:28:14,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487774758] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:14,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:14,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:28:14,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414085762] [2022-07-12 12:28:14,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:14,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:28:14,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:28:14,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:28:14,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:28:14,288 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) [2022-07-12 12:28:14,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:14,411 INFO L93 Difference]: Finished difference Result 863 states and 1129 transitions. [2022-07-12 12:28:14,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:28:14,412 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 [2022-07-12 12:28:14,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:14,414 INFO L225 Difference]: With dead ends: 863 [2022-07-12 12:28:14,414 INFO L226 Difference]: Without dead ends: 474 [2022-07-12 12:28:14,416 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 [2022-07-12 12:28:14,416 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 [2022-07-12 12:28:14,417 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] [2022-07-12 12:28:14,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-07-12 12:28:14,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 455. [2022-07-12 12:28:14,432 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) [2022-07-12 12:28:14,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 597 transitions. [2022-07-12 12:28:14,434 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 597 transitions. Word has length 58 [2022-07-12 12:28:14,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:14,435 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 597 transitions. [2022-07-12 12:28:14,435 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) [2022-07-12 12:28:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 597 transitions. [2022-07-12 12:28:14,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-12 12:28:14,436 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:14,437 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] [2022-07-12 12:28:14,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 12:28:14,437 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:14,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:14,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1129629457, now seen corresponding path program 1 times [2022-07-12 12:28:14,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:14,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808878257] [2022-07-12 12:28:14,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:14,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:28:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:28:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 12:28:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-12 12:28:14,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:28:14,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808878257] [2022-07-12 12:28:14,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808878257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:14,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:14,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:28:14,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082211014] [2022-07-12 12:28:14,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:14,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:28:14,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:28:14,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:28:14,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:28:14,520 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) [2022-07-12 12:28:14,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:14,742 INFO L93 Difference]: Finished difference Result 1351 states and 1775 transitions. [2022-07-12 12:28:14,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:28:14,742 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 [2022-07-12 12:28:14,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:14,747 INFO L225 Difference]: With dead ends: 1351 [2022-07-12 12:28:14,747 INFO L226 Difference]: Without dead ends: 912 [2022-07-12 12:28:14,748 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 [2022-07-12 12:28:14,748 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 [2022-07-12 12:28:14,749 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] [2022-07-12 12:28:14,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2022-07-12 12:28:14,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 463. [2022-07-12 12:28:14,783 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) [2022-07-12 12:28:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 605 transitions. [2022-07-12 12:28:14,785 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 605 transitions. Word has length 67 [2022-07-12 12:28:14,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:14,785 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 605 transitions. [2022-07-12 12:28:14,785 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) [2022-07-12 12:28:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 605 transitions. [2022-07-12 12:28:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-12 12:28:14,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:14,787 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:28:14,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 12:28:14,787 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:14,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:14,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1885474161, now seen corresponding path program 1 times [2022-07-12 12:28:14,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:14,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139905226] [2022-07-12 12:28:14,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:14,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:28:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:28:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 12:28:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-12 12:28:14,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:28:14,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139905226] [2022-07-12 12:28:14,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139905226] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:14,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:14,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:28:14,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885472029] [2022-07-12 12:28:14,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:14,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:28:14,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:28:14,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:28:14,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:28:14,888 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) [2022-07-12 12:28:15,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:15,023 INFO L93 Difference]: Finished difference Result 924 states and 1207 transitions. [2022-07-12 12:28:15,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:28:15,024 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 [2022-07-12 12:28:15,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:15,026 INFO L225 Difference]: With dead ends: 924 [2022-07-12 12:28:15,026 INFO L226 Difference]: Without dead ends: 469 [2022-07-12 12:28:15,027 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 [2022-07-12 12:28:15,028 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 [2022-07-12 12:28:15,028 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] [2022-07-12 12:28:15,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-07-12 12:28:15,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 463. [2022-07-12 12:28:15,049 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) [2022-07-12 12:28:15,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 601 transitions. [2022-07-12 12:28:15,051 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 601 transitions. Word has length 67 [2022-07-12 12:28:15,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:15,051 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 601 transitions. [2022-07-12 12:28:15,051 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) [2022-07-12 12:28:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 601 transitions. [2022-07-12 12:28:15,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-12 12:28:15,053 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:15,053 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] [2022-07-12 12:28:15,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 12:28:15,053 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:15,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:15,054 INFO L85 PathProgramCache]: Analyzing trace with hash -101950798, now seen corresponding path program 1 times [2022-07-12 12:28:15,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:15,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218754459] [2022-07-12 12:28:15,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:15,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:28:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:28:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 12:28:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:15,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:28:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:15,385 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-12 12:28:15,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:28:15,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218754459] [2022-07-12 12:28:15,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218754459] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:15,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:15,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-12 12:28:15,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378242213] [2022-07-12 12:28:15,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:15,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-12 12:28:15,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:28:15,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-12 12:28:15,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-07-12 12:28:15,387 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) [2022-07-12 12:28:16,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:16,721 INFO L93 Difference]: Finished difference Result 777 states and 1022 transitions. [2022-07-12 12:28:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-12 12:28:16,722 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 [2022-07-12 12:28:16,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:16,724 INFO L225 Difference]: With dead ends: 777 [2022-07-12 12:28:16,724 INFO L226 Difference]: Without dead ends: 547 [2022-07-12 12:28:16,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2022-07-12 12:28:16,726 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 [2022-07-12 12:28:16,726 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] [2022-07-12 12:28:16,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2022-07-12 12:28:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 449. [2022-07-12 12:28:16,818 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) [2022-07-12 12:28:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 580 transitions. [2022-07-12 12:28:16,820 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 580 transitions. Word has length 73 [2022-07-12 12:28:16,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:16,821 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 580 transitions. [2022-07-12 12:28:16,821 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) [2022-07-12 12:28:16,821 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 580 transitions. [2022-07-12 12:28:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-12 12:28:16,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:16,822 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] [2022-07-12 12:28:16,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 12:28:16,823 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:16,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:16,823 INFO L85 PathProgramCache]: Analyzing trace with hash 368125612, now seen corresponding path program 1 times [2022-07-12 12:28:16,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:28:16,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031341736] [2022-07-12 12:28:16,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:16,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:28:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 12:28:16,882 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 12:28:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 12:28:16,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 12:28:16,978 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 12:28:16,979 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 12:28:16,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 12:28:16,983 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:28:16,986 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 12:28:17,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 12:28:17 BoogieIcfgContainer [2022-07-12 12:28:17,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 12:28:17,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 12:28:17,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 12:28:17,108 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 12:28:17,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:28:11" (3/4) ... [2022-07-12 12:28:17,111 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 12:28:17,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 12:28:17,112 INFO L158 Benchmark]: Toolchain (without parser) took 7233.62ms. Allocated memory was 113.2MB in the beginning and 251.7MB in the end (delta: 138.4MB). Free memory was 69.9MB in the beginning and 129.3MB in the end (delta: -59.4MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2022-07-12 12:28:17,112 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory was 91.1MB in the beginning and 91.0MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:28:17,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 891.78ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 69.7MB in the beginning and 97.3MB in the end (delta: -27.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-07-12 12:28:17,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.82ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 92.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 12:28:17,113 INFO L158 Benchmark]: Boogie Preprocessor took 77.35ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 88.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 12:28:17,113 INFO L158 Benchmark]: RCFGBuilder took 756.40ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 100.8MB in the end (delta: -12.7MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2022-07-12 12:28:17,114 INFO L158 Benchmark]: TraceAbstraction took 5419.44ms. Allocated memory was 142.6MB in the beginning and 251.7MB in the end (delta: 109.1MB). Free memory was 100.4MB in the beginning and 130.3MB in the end (delta: -30.0MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2022-07-12 12:28:17,114 INFO L158 Benchmark]: Witness Printer took 3.38ms. Allocated memory is still 251.7MB. Free memory is still 129.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:28:17,115 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 113.2MB. Free memory was 91.1MB in the beginning and 91.0MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 891.78ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 69.7MB in the beginning and 97.3MB in the end (delta: -27.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.82ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 92.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.35ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 88.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 756.40ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 100.8MB in the end (delta: -12.7MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5419.44ms. Allocated memory was 142.6MB in the beginning and 251.7MB in the end (delta: 109.1MB). Free memory was 100.4MB in the beginning and 130.3MB in the end (delta: -30.0MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. * Witness Printer took 3.38ms. Allocated memory is still 251.7MB. Free memory is still 129.3MB. 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: 5.2s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, 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, 0.3s SatisfiabilityAnalysisTime, 1.0s 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 [2022-07-12 12:28:17,169 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-?-6c24879 [2022-07-12 12:28:19,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:28:19,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:28:19,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:28:19,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:28:19,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:28:19,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:28:19,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:28:19,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:28:19,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:28:19,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:28:19,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:28:19,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:28:19,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:28:19,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:28:19,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:28:19,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:28:19,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:28:19,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:28:19,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:28:19,152 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:28:19,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:28:19,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:28:19,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:28:19,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:28:19,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:28:19,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:28:19,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:28:19,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:28:19,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:28:19,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:28:19,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:28:19,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:28:19,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:28:19,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:28:19,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:28:19,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:28:19,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:28:19,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:28:19,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:28:19,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:28:19,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:28:19,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 12:28:19,205 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:28:19,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:28:19,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:28:19,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:28:19,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:28:19,207 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:28:19,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:28:19,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:28:19,208 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:28:19,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:28:19,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:28:19,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:28:19,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:28:19,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:28:19,209 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 12:28:19,209 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 12:28:19,209 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 12:28:19,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:28:19,210 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:28:19,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:28:19,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:28:19,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:28:19,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:28:19,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:28:19,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:28:19,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:28:19,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:28:19,211 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 12:28:19,211 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 12:28:19,211 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:28:19,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:28:19,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:28:19,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 12:28:19,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 570f71a4ef125473e8d858d9fb4e2164a899b7ee95a6020ace877d8b3dd9ef52 [2022-07-12 12:28:19,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:28:19,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:28:19,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:28:19,518 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:28:19,519 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:28:19,521 INFO L432 ainManager$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 [2022-07-12 12:28:19,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d22dcc5f6/5d255c0535f6432baaaa23ecb1127529/FLAG42d7dac12 [2022-07-12 12:28:20,177 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:28:20,177 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 [2022-07-12 12:28:20,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d22dcc5f6/5d255c0535f6432baaaa23ecb1127529/FLAG42d7dac12 [2022-07-12 12:28:20,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d22dcc5f6/5d255c0535f6432baaaa23ecb1127529 [2022-07-12 12:28:20,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:28:20,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:28:20,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:28:20,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:28:20,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:28:20,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:28:20" (1/1) ... [2022-07-12 12:28:20,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66172fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:20, skipping insertion in model container [2022-07-12 12:28:20,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:28:20" (1/1) ... [2022-07-12 12:28:20,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:28:20,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:28:21,041 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] [2022-07-12 12:28:21,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:28:21,282 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 12:28:21,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:28:21,387 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] [2022-07-12 12:28:21,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:28:21,448 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:28:21,537 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] [2022-07-12 12:28:21,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:28:21,614 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:28:21,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21 WrapperNode [2022-07-12 12:28:21,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:28:21,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:28:21,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:28:21,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:28:21,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21" (1/1) ... [2022-07-12 12:28:21,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21" (1/1) ... [2022-07-12 12:28:21,702 INFO L137 Inliner]: procedures = 78, calls = 242, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 549 [2022-07-12 12:28:21,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:28:21,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:28:21,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:28:21,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:28:21,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21" (1/1) ... [2022-07-12 12:28:21,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21" (1/1) ... [2022-07-12 12:28:21,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21" (1/1) ... [2022-07-12 12:28:21,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21" (1/1) ... [2022-07-12 12:28:21,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21" (1/1) ... [2022-07-12 12:28:21,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21" (1/1) ... [2022-07-12 12:28:21,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21" (1/1) ... [2022-07-12 12:28:21,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:28:21,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:28:21,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:28:21,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:28:21,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21" (1/1) ... [2022-07-12 12:28:21,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:28:21,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:28:21,844 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) [2022-07-12 12:28:21,856 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 [2022-07-12 12:28:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:28:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 12:28:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 12:28:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 12:28:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:28:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 12:28:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:28:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:28:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:28:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:28:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:28:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure cypress_load_firmware [2022-07-12 12:28:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cypress_load_firmware [2022-07-12 12:28:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 12:28:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_disconnect [2022-07-12 12:28:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_disconnect [2022-07-12 12:28:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 12:28:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 12:28:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 12:28:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:28:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:28:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-12 12:28:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-12 12:28:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-12 12:28:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-12 12:28:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:28:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:28:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:28:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-12 12:28:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-12 12:28:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:28:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:28:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:28:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:28:22,155 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:28:22,159 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:28:22,255 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-12 12:28:22,299 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:28:22,823 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:28:22,831 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:28:22,831 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 12:28:22,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:28:22 BoogieIcfgContainer [2022-07-12 12:28:22,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:28:22,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:28:22,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:28:22,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:28:22,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:28:20" (1/3) ... [2022-07-12 12:28:22,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2536eada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:28:22, skipping insertion in model container [2022-07-12 12:28:22,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:28:21" (2/3) ... [2022-07-12 12:28:22,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2536eada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:28:22, skipping insertion in model container [2022-07-12 12:28:22,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:28:22" (3/3) ... [2022-07-12 12:28:22,842 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 [2022-07-12 12:28:22,859 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:28:22,860 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:28:22,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:28:22,923 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@71de197b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@d4064d9 [2022-07-12 12:28:22,924 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:28:22,928 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) [2022-07-12 12:28:22,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-12 12:28:22,936 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:22,936 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] [2022-07-12 12:28:22,937 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:22,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:22,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1946969106, now seen corresponding path program 1 times [2022-07-12 12:28:22,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:22,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435960135] [2022-07-12 12:28:22,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:22,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:22,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:22,955 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) [2022-07-12 12:28:22,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 12:28:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:23,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:28:23,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:28:23,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:28:23,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:28:23,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:28:23,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435960135] [2022-07-12 12:28:23,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435960135] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:23,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:23,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:28:23,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231923068] [2022-07-12 12:28:23,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:23,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:28:23,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:28:23,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:28:23,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:28:23,329 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) [2022-07-12 12:28:23,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:23,451 INFO L93 Difference]: Finished difference Result 366 states and 508 transitions. [2022-07-12 12:28:23,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:28:23,453 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 [2022-07-12 12:28:23,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:23,462 INFO L225 Difference]: With dead ends: 366 [2022-07-12 12:28:23,462 INFO L226 Difference]: Without dead ends: 218 [2022-07-12 12:28:23,465 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 [2022-07-12 12:28:23,468 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 [2022-07-12 12:28:23,469 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] [2022-07-12 12:28:23,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-07-12 12:28:23,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2022-07-12 12:28:23,521 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) [2022-07-12 12:28:23,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2022-07-12 12:28:23,525 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 22 [2022-07-12 12:28:23,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:23,525 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2022-07-12 12:28:23,525 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) [2022-07-12 12:28:23,526 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2022-07-12 12:28:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-12 12:28:23,528 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:23,528 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] [2022-07-12 12:28:23,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 12:28:23,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:23,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:23,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:23,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1842370729, now seen corresponding path program 1 times [2022-07-12 12:28:23,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:23,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885805435] [2022-07-12 12:28:23,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:23,755 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:23,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:23,757 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) [2022-07-12 12:28:23,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 12:28:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:24,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:28:24,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:28:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:24,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:28:24,071 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:28:24,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885805435] [2022-07-12 12:28:24,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885805435] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:24,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:24,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:28:24,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228919359] [2022-07-12 12:28:24,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:24,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:28:24,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:28:24,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:28:24,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:28:24,074 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) [2022-07-12 12:28:24,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:24,139 INFO L93 Difference]: Finished difference Result 244 states and 319 transitions. [2022-07-12 12:28:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:28:24,139 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 [2022-07-12 12:28:24,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:24,141 INFO L225 Difference]: With dead ends: 244 [2022-07-12 12:28:24,141 INFO L226 Difference]: Without dead ends: 231 [2022-07-12 12:28:24,142 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 [2022-07-12 12:28:24,143 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 157 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 12:28:24,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 193 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 12:28:24,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-07-12 12:28:24,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 218. [2022-07-12 12:28:24,159 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) [2022-07-12 12:28:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 286 transitions. [2022-07-12 12:28:24,161 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 286 transitions. Word has length 32 [2022-07-12 12:28:24,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:24,161 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 286 transitions. [2022-07-12 12:28:24,161 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) [2022-07-12 12:28:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 286 transitions. [2022-07-12 12:28:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-12 12:28:24,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:24,163 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] [2022-07-12 12:28:24,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 12:28:24,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:24,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:24,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:24,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1899629031, now seen corresponding path program 1 times [2022-07-12 12:28:24,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:24,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688339650] [2022-07-12 12:28:24,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:24,393 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:24,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:24,396 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) [2022-07-12 12:28:24,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 12:28:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:24,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 12:28:24,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:28:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:24,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:28:24,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:28:24,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688339650] [2022-07-12 12:28:24,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [688339650] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:24,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:24,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 12:28:24,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922215972] [2022-07-12 12:28:24,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:24,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:28:24,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:28:24,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:28:24,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:28:24,912 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) [2022-07-12 12:28:24,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:24,939 INFO L93 Difference]: Finished difference Result 220 states and 287 transitions. [2022-07-12 12:28:24,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:28:24,940 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 [2022-07-12 12:28:24,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:24,942 INFO L225 Difference]: With dead ends: 220 [2022-07-12 12:28:24,942 INFO L226 Difference]: Without dead ends: 217 [2022-07-12 12:28:24,942 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 [2022-07-12 12:28:24,943 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 [2022-07-12 12:28:24,944 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] [2022-07-12 12:28:24,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-07-12 12:28:24,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-07-12 12:28:24,977 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) [2022-07-12 12:28:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 284 transitions. [2022-07-12 12:28:24,979 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 284 transitions. Word has length 32 [2022-07-12 12:28:24,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:24,979 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 284 transitions. [2022-07-12 12:28:24,980 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) [2022-07-12 12:28:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 284 transitions. [2022-07-12 12:28:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-12 12:28:24,985 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:24,985 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] [2022-07-12 12:28:25,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-12 12:28:25,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:25,204 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:25,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:25,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1241149330, now seen corresponding path program 1 times [2022-07-12 12:28:25,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:25,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357994068] [2022-07-12 12:28:25,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:25,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:25,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:25,207 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) [2022-07-12 12:28:25,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 12:28:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:25,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 12:28:25,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:28:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:25,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:28:25,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:28:25,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357994068] [2022-07-12 12:28:25,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357994068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:25,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:25,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 12:28:25,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306036246] [2022-07-12 12:28:25,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:25,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:28:25,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:28:25,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:28:25,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:28:25,656 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) [2022-07-12 12:28:25,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:25,710 INFO L93 Difference]: Finished difference Result 624 states and 819 transitions. [2022-07-12 12:28:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:28:25,711 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 [2022-07-12 12:28:25,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:25,713 INFO L225 Difference]: With dead ends: 624 [2022-07-12 12:28:25,714 INFO L226 Difference]: Without dead ends: 419 [2022-07-12 12:28:25,715 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 [2022-07-12 12:28:25,715 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 [2022-07-12 12:28:25,716 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] [2022-07-12 12:28:25,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2022-07-12 12:28:25,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 411. [2022-07-12 12:28:25,739 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) [2022-07-12 12:28:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 537 transitions. [2022-07-12 12:28:25,741 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 537 transitions. Word has length 33 [2022-07-12 12:28:25,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:25,742 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 537 transitions. [2022-07-12 12:28:25,742 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) [2022-07-12 12:28:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 537 transitions. [2022-07-12 12:28:25,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-12 12:28:25,743 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:25,743 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] [2022-07-12 12:28:25,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 12:28:25,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:25,964 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:25,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:25,964 INFO L85 PathProgramCache]: Analyzing trace with hash 178974154, now seen corresponding path program 1 times [2022-07-12 12:28:25,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:25,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366358017] [2022-07-12 12:28:25,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:25,965 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:25,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:25,966 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) [2022-07-12 12:28:25,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 12:28:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:26,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:28:26,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:28:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:26,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:28:26,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:28:26,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366358017] [2022-07-12 12:28:26,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1366358017] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:26,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:26,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 12:28:26,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868303854] [2022-07-12 12:28:26,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:26,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:28:26,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:28:26,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:28:26,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:28:26,300 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) [2022-07-12 12:28:26,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:26,328 INFO L93 Difference]: Finished difference Result 417 states and 542 transitions. [2022-07-12 12:28:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:28:26,328 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 [2022-07-12 12:28:26,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:26,330 INFO L225 Difference]: With dead ends: 417 [2022-07-12 12:28:26,331 INFO L226 Difference]: Without dead ends: 414 [2022-07-12 12:28:26,331 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 [2022-07-12 12:28:26,332 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 [2022-07-12 12:28:26,332 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] [2022-07-12 12:28:26,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-07-12 12:28:26,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 412. [2022-07-12 12:28:26,350 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) [2022-07-12 12:28:26,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 538 transitions. [2022-07-12 12:28:26,353 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 538 transitions. Word has length 34 [2022-07-12 12:28:26,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:26,353 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 538 transitions. [2022-07-12 12:28:26,353 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) [2022-07-12 12:28:26,353 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 538 transitions. [2022-07-12 12:28:26,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-12 12:28:26,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:26,355 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] [2022-07-12 12:28:26,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 12:28:26,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:26,568 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:26,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:26,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1253134065, now seen corresponding path program 1 times [2022-07-12 12:28:26,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:26,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711033696] [2022-07-12 12:28:26,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:26,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:26,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:26,570 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) [2022-07-12 12:28:26,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 12:28:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:26,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:28:26,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:28:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:26,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:28:26,904 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:28:26,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711033696] [2022-07-12 12:28:26,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1711033696] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:26,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:26,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 12:28:26,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338020569] [2022-07-12 12:28:26,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:26,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:28:26,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:28:26,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:28:26,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:28:26,906 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) [2022-07-12 12:28:26,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:26,923 INFO L93 Difference]: Finished difference Result 414 states and 539 transitions. [2022-07-12 12:28:26,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:28:26,924 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 [2022-07-12 12:28:26,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:26,926 INFO L225 Difference]: With dead ends: 414 [2022-07-12 12:28:26,926 INFO L226 Difference]: Without dead ends: 411 [2022-07-12 12:28:26,927 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 [2022-07-12 12:28:26,927 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 [2022-07-12 12:28:26,928 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] [2022-07-12 12:28:26,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-07-12 12:28:26,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2022-07-12 12:28:26,945 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) [2022-07-12 12:28:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 536 transitions. [2022-07-12 12:28:26,946 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 536 transitions. Word has length 35 [2022-07-12 12:28:26,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:26,947 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 536 transitions. [2022-07-12 12:28:26,947 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) [2022-07-12 12:28:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 536 transitions. [2022-07-12 12:28:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-12 12:28:26,948 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:26,948 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] [2022-07-12 12:28:26,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 12:28:27,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:27,164 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:27,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:27,164 INFO L85 PathProgramCache]: Analyzing trace with hash 192357805, now seen corresponding path program 1 times [2022-07-12 12:28:27,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:27,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11822656] [2022-07-12 12:28:27,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:27,165 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:27,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:27,168 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) [2022-07-12 12:28:27,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 12:28:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:27,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:28:27,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:28:27,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 12:28:27,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:28:27,514 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:28:27,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11822656] [2022-07-12 12:28:27,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11822656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:27,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:27,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 12:28:27,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77096093] [2022-07-12 12:28:27,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:27,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:28:27,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:28:27,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:28:27,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:28:27,515 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) [2022-07-12 12:28:27,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:27,530 INFO L93 Difference]: Finished difference Result 413 states and 537 transitions. [2022-07-12 12:28:27,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:28:27,530 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 [2022-07-12 12:28:27,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:27,532 INFO L225 Difference]: With dead ends: 413 [2022-07-12 12:28:27,532 INFO L226 Difference]: Without dead ends: 401 [2022-07-12 12:28:27,532 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 [2022-07-12 12:28:27,533 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 [2022-07-12 12:28:27,533 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] [2022-07-12 12:28:27,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-07-12 12:28:27,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2022-07-12 12:28:27,549 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) [2022-07-12 12:28:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 523 transitions. [2022-07-12 12:28:27,551 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 523 transitions. Word has length 36 [2022-07-12 12:28:27,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:27,551 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 523 transitions. [2022-07-12 12:28:27,551 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) [2022-07-12 12:28:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 523 transitions. [2022-07-12 12:28:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-12 12:28:27,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:27,552 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] [2022-07-12 12:28:27,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 12:28:27,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:27,772 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:27,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:27,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1754403438, now seen corresponding path program 1 times [2022-07-12 12:28:27,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:27,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603466197] [2022-07-12 12:28:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:27,773 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:27,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:27,774 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) [2022-07-12 12:28:27,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 12:28:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:28,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:28:28,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:28:28,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:28:28,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:28:28,144 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:28:28,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603466197] [2022-07-12 12:28:28,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [603466197] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:28,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:28,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:28:28,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7747640] [2022-07-12 12:28:28,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:28,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:28:28,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:28:28,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:28:28,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:28:28,146 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) [2022-07-12 12:28:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:28,221 INFO L93 Difference]: Finished difference Result 857 states and 1123 transitions. [2022-07-12 12:28:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:28:28,221 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 [2022-07-12 12:28:28,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:28,223 INFO L225 Difference]: With dead ends: 857 [2022-07-12 12:28:28,223 INFO L226 Difference]: Without dead ends: 468 [2022-07-12 12:28:28,224 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 [2022-07-12 12:28:28,225 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 [2022-07-12 12:28:28,225 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] [2022-07-12 12:28:28,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2022-07-12 12:28:28,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 455. [2022-07-12 12:28:28,251 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) [2022-07-12 12:28:28,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 597 transitions. [2022-07-12 12:28:28,253 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 597 transitions. Word has length 58 [2022-07-12 12:28:28,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:28,254 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 597 transitions. [2022-07-12 12:28:28,254 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) [2022-07-12 12:28:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 597 transitions. [2022-07-12 12:28:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-12 12:28:28,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:28,256 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] [2022-07-12 12:28:28,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 12:28:28,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:28,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:28,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:28,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1129629457, now seen corresponding path program 1 times [2022-07-12 12:28:28,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:28,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837651857] [2022-07-12 12:28:28,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:28,473 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:28,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:28,474 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) [2022-07-12 12:28:28,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 12:28:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:28,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 12:28:28,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:28:28,854 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-12 12:28:28,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:28:28,855 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:28:28,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837651857] [2022-07-12 12:28:28,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1837651857] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:28,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:28,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:28:28,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047473171] [2022-07-12 12:28:28,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:28,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:28:28,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:28:28,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:28:28,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:28:28,857 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) [2022-07-12 12:28:28,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:28,902 INFO L93 Difference]: Finished difference Result 902 states and 1185 transitions. [2022-07-12 12:28:28,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 12:28:28,903 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 [2022-07-12 12:28:28,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:28,905 INFO L225 Difference]: With dead ends: 902 [2022-07-12 12:28:28,905 INFO L226 Difference]: Without dead ends: 455 [2022-07-12 12:28:28,906 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 [2022-07-12 12:28:28,907 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 [2022-07-12 12:28:28,907 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] [2022-07-12 12:28:28,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2022-07-12 12:28:28,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2022-07-12 12:28:28,925 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) [2022-07-12 12:28:28,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 593 transitions. [2022-07-12 12:28:28,927 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 593 transitions. Word has length 67 [2022-07-12 12:28:28,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:28,927 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 593 transitions. [2022-07-12 12:28:28,927 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) [2022-07-12 12:28:28,928 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 593 transitions. [2022-07-12 12:28:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-12 12:28:28,929 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:28,929 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] [2022-07-12 12:28:28,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 12:28:29,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:29,149 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:29,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:29,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1177912880, now seen corresponding path program 1 times [2022-07-12 12:28:29,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:29,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049899628] [2022-07-12 12:28:29,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:29,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:29,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:29,151 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) [2022-07-12 12:28:29,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 12:28:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:29,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-12 12:28:29,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:28:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-12 12:28:29,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:28:29,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:28:29,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049899628] [2022-07-12 12:28:29,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049899628] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:29,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:29,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 12:28:29,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741945629] [2022-07-12 12:28:29,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:29,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 12:28:29,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:28:29,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 12:28:29,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:28:29,818 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) [2022-07-12 12:28:31,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:31,151 INFO L93 Difference]: Finished difference Result 759 states and 1003 transitions. [2022-07-12 12:28:31,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-12 12:28:31,152 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 [2022-07-12 12:28:31,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:31,154 INFO L225 Difference]: With dead ends: 759 [2022-07-12 12:28:31,154 INFO L226 Difference]: Without dead ends: 533 [2022-07-12 12:28:31,155 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 [2022-07-12 12:28:31,155 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1400 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1400 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:28:31,156 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] [2022-07-12 12:28:31,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2022-07-12 12:28:31,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 441. [2022-07-12 12:28:31,178 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) [2022-07-12 12:28:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 572 transitions. [2022-07-12 12:28:31,180 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 572 transitions. Word has length 73 [2022-07-12 12:28:31,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:31,180 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 572 transitions. [2022-07-12 12:28:31,180 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) [2022-07-12 12:28:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 572 transitions. [2022-07-12 12:28:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-12 12:28:31,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:31,182 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] [2022-07-12 12:28:31,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 12:28:31,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:31,396 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:31,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:31,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1647989290, now seen corresponding path program 1 times [2022-07-12 12:28:31,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:31,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113695240] [2022-07-12 12:28:31,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:31,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:31,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:31,399 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) [2022-07-12 12:28:31,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 12:28:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:28:31,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 12:28:31,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:28:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-12 12:28:31,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:28:31,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 12:28:31,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113695240] [2022-07-12 12:28:31,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113695240] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:28:31,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:28:31,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:28:31,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623881530] [2022-07-12 12:28:31,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:28:31,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:28:31,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 12:28:31,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:28:31,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:28:31,774 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) [2022-07-12 12:28:31,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:28:31,891 INFO L93 Difference]: Finished difference Result 1299 states and 1690 transitions. [2022-07-12 12:28:31,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:28:31,891 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 [2022-07-12 12:28:31,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:28:31,895 INFO L225 Difference]: With dead ends: 1299 [2022-07-12 12:28:31,895 INFO L226 Difference]: Without dead ends: 874 [2022-07-12 12:28:31,896 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 [2022-07-12 12:28:31,897 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 [2022-07-12 12:28:31,897 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] [2022-07-12 12:28:31,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2022-07-12 12:28:31,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 449. [2022-07-12 12:28:31,946 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) [2022-07-12 12:28:31,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 580 transitions. [2022-07-12 12:28:31,948 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 580 transitions. Word has length 73 [2022-07-12 12:28:31,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:28:31,948 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 580 transitions. [2022-07-12 12:28:31,948 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) [2022-07-12 12:28:31,948 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 580 transitions. [2022-07-12 12:28:31,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-12 12:28:31,949 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:28:31,949 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] [2022-07-12 12:28:31,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-12 12:28:32,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:32,159 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:28:32,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:28:32,160 INFO L85 PathProgramCache]: Analyzing trace with hash 368125612, now seen corresponding path program 1 times [2022-07-12 12:28:32,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 12:28:32,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593459310] [2022-07-12 12:28:32,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:28:32,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 12:28:32,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 12:28:32,162 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) [2022-07-12 12:28:32,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-12 12:28:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 12:28:34,103 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 12:28:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 12:28:36,154 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-12 12:28:36,154 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 12:28:36,155 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 12:28:36,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-12 12:28:36,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 12:28:36,383 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:28:36,386 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 12:28:36,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 12:28:36 BoogieIcfgContainer [2022-07-12 12:28:36,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 12:28:36,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 12:28:36,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 12:28:36,560 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 12:28:36,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:28:22" (3/4) ... [2022-07-12 12:28:36,563 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 12:28:36,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 12:28:36,563 INFO L158 Benchmark]: Toolchain (without parser) took 16143.47ms. Allocated memory was 60.8MB in the beginning and 184.5MB in the end (delta: 123.7MB). Free memory was 34.6MB in the beginning and 57.1MB in the end (delta: -22.4MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2022-07-12 12:28:36,564 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 12:28:36,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1192.62ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 34.5MB in the beginning and 31.4MB in the end (delta: 3.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-07-12 12:28:36,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.96ms. Allocated memory is still 75.5MB. Free memory was 31.4MB in the beginning and 26.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 12:28:36,565 INFO L158 Benchmark]: Boogie Preprocessor took 99.96ms. Allocated memory was 75.5MB in the beginning and 117.4MB in the end (delta: 41.9MB). Free memory was 26.7MB in the beginning and 78.7MB in the end (delta: -52.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-07-12 12:28:36,565 INFO L158 Benchmark]: RCFGBuilder took 1030.02ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 57.5MB in the end (delta: 20.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-07-12 12:28:36,566 INFO L158 Benchmark]: TraceAbstraction took 13724.46ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 57.0MB in the beginning and 58.1MB in the end (delta: -1.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-07-12 12:28:36,566 INFO L158 Benchmark]: Witness Printer took 2.82ms. Allocated memory is still 184.5MB. Free memory was 58.1MB in the beginning and 57.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 12:28:36,569 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 60.8MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1192.62ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 34.5MB in the beginning and 31.4MB in the end (delta: 3.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.96ms. Allocated memory is still 75.5MB. Free memory was 31.4MB in the beginning and 26.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.96ms. Allocated memory was 75.5MB in the beginning and 117.4MB in the end (delta: 41.9MB). Free memory was 26.7MB in the beginning and 78.7MB in the end (delta: -52.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1030.02ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 57.5MB in the end (delta: 20.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13724.46ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 57.0MB in the beginning and 58.1MB in the end (delta: -1.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 2.82ms. Allocated memory is still 184.5MB. Free memory was 58.1MB in the beginning and 57.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 13.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2565 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2565 mSDsluCounter, 4631 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2569 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 269 IncrementalHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 2062 mSDtfsCounter, 269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 507 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 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, 4.0s 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 [2022-07-12 12:28:36,612 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