./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer --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 e08c7abd7036b355ca3bf6867bde70f508f01ffc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer --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 e08c7abd7036b355ca3bf6867bde70f508f01ffc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:30:29,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:30:29,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:30:29,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:30:29,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:30:29,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:30:29,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:30:29,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:30:29,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:30:29,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:30:29,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:30:29,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:30:29,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:30:29,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:30:29,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:30:29,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:30:29,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:30:29,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:30:29,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:30:29,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:30:29,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:30:29,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:30:29,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:30:29,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:30:29,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:30:29,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:30:29,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:30:29,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:30:29,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:30:29,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:30:29,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:30:29,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:30:29,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:30:29,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:30:29,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:30:29,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:30:29,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:30:29,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:30:29,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:30:29,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:30:29,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:30:29,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-11-30 00:30:29,433 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:30:29,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:30:29,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:30:29,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:30:29,435 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:30:29,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:30:29,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:30:29,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:30:29,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:30:29,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:30:29,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:30:29,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:30:29,438 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:30:29,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:30:29,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:30:29,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:30:29,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:30:29,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:30:29,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:30:29,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:30:29,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:30:29,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:30:29,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:30:29,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:30:29,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:30:29,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:30:29,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:30:29,442 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e08c7abd7036b355ca3bf6867bde70f508f01ffc [2020-11-30 00:30:29,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:30:29,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:30:29,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:30:29,716 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:30:29,717 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:30:29,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2020-11-30 00:30:29,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/data/9f2a3baf1/13205923d2814eb29aca7bd328c60957/FLAG011538eb5 [2020-11-30 00:30:30,783 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:30:30,784 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2020-11-30 00:30:30,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/data/9f2a3baf1/13205923d2814eb29aca7bd328c60957/FLAG011538eb5 [2020-11-30 00:30:31,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/data/9f2a3baf1/13205923d2814eb29aca7bd328c60957 [2020-11-30 00:30:31,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:30:31,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:30:31,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:30:31,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:30:31,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:30:31,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:30:31" (1/1) ... [2020-11-30 00:30:31,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aeeda77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:31, skipping insertion in model container [2020-11-30 00:30:31,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:30:31" (1/1) ... [2020-11-30 00:30:31,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:30:31,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:30:32,012 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2020-11-30 00:30:32,013 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2020-11-30 00:30:32,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:30:32,952 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:30:33,067 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2020-11-30 00:30:33,068 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2020-11-30 00:30:33,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:30:33,578 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:30:33,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33 WrapperNode [2020-11-30 00:30:33,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:30:33,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:30:33,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:30:33,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:30:33,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33" (1/1) ... [2020-11-30 00:30:33,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33" (1/1) ... [2020-11-30 00:30:33,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:30:33,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:30:33,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:30:33,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:30:33,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33" (1/1) ... [2020-11-30 00:30:33,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33" (1/1) ... [2020-11-30 00:30:33,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33" (1/1) ... [2020-11-30 00:30:33,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33" (1/1) ... [2020-11-30 00:30:34,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33" (1/1) ... [2020-11-30 00:30:34,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33" (1/1) ... [2020-11-30 00:30:34,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33" (1/1) ... [2020-11-30 00:30:34,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:30:34,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:30:34,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:30:34,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:30:34,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:30:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:30:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:30:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2020-11-30 00:30:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:30:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 00:30:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:30:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 00:30:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:30:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 00:30:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:30:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:30:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:30:40,759 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:30:40,761 INFO L298 CfgBuilder]: Removed 597 assume(true) statements. [2020-11-30 00:30:40,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:30:40 BoogieIcfgContainer [2020-11-30 00:30:40,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:30:40,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:30:40,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:30:40,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:30:40,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:30:31" (1/3) ... [2020-11-30 00:30:40,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54120a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:30:40, skipping insertion in model container [2020-11-30 00:30:40,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:33" (2/3) ... [2020-11-30 00:30:40,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54120a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:30:40, skipping insertion in model container [2020-11-30 00:30:40,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:30:40" (3/3) ... [2020-11-30 00:30:40,776 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2020-11-30 00:30:40,786 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:30:40,792 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-30 00:30:40,803 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-30 00:30:40,839 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:30:40,840 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:30:40,840 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:30:40,840 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:30:40,840 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:30:40,840 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:30:40,840 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:30:40,841 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:30:40,878 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states. [2020-11-30 00:30:40,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:30:40,908 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:40,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:30:40,909 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:40,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:40,914 INFO L82 PathProgramCache]: Analyzing trace with hash 898012474, now seen corresponding path program 1 times [2020-11-30 00:30:40,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:40,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819431934] [2020-11-30 00:30:40,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:41,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819431934] [2020-11-30 00:30:41,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:41,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:30:41,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125102389] [2020-11-30 00:30:41,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:30:41,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:41,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:30:41,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:41,513 INFO L87 Difference]: Start difference. First operand 614 states. Second operand 3 states. [2020-11-30 00:30:41,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:41,737 INFO L93 Difference]: Finished difference Result 1668 states and 2372 transitions. [2020-11-30 00:30:41,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:30:41,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-11-30 00:30:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:41,772 INFO L225 Difference]: With dead ends: 1668 [2020-11-30 00:30:41,773 INFO L226 Difference]: Without dead ends: 1030 [2020-11-30 00:30:41,783 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:41,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-11-30 00:30:41,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1022. [2020-11-30 00:30:41,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-11-30 00:30:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1422 transitions. [2020-11-30 00:30:41,930 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1422 transitions. Word has length 32 [2020-11-30 00:30:41,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:41,931 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 1422 transitions. [2020-11-30 00:30:41,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:30:41,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1422 transitions. [2020-11-30 00:30:41,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:30:41,937 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:41,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:30:41,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:30:41,938 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:41,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:41,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1202847814, now seen corresponding path program 1 times [2020-11-30 00:30:41,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:41,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473482067] [2020-11-30 00:30:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:42,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:42,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473482067] [2020-11-30 00:30:42,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:42,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:30:42,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710057878] [2020-11-30 00:30:42,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:30:42,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:42,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:30:42,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:42,151 INFO L87 Difference]: Start difference. First operand 1022 states and 1422 transitions. Second operand 3 states. [2020-11-30 00:30:42,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:42,450 INFO L93 Difference]: Finished difference Result 2340 states and 3258 transitions. [2020-11-30 00:30:42,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:30:42,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-11-30 00:30:42,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:42,461 INFO L225 Difference]: With dead ends: 2340 [2020-11-30 00:30:42,462 INFO L226 Difference]: Without dead ends: 1348 [2020-11-30 00:30:42,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:42,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2020-11-30 00:30:42,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1330. [2020-11-30 00:30:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-11-30 00:30:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1850 transitions. [2020-11-30 00:30:42,531 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1850 transitions. Word has length 42 [2020-11-30 00:30:42,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:42,532 INFO L481 AbstractCegarLoop]: Abstraction has 1330 states and 1850 transitions. [2020-11-30 00:30:42,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:30:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1850 transitions. [2020-11-30 00:30:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 00:30:42,538 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:42,539 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:30:42,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:30:42,539 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:42,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:42,540 INFO L82 PathProgramCache]: Analyzing trace with hash 384845083, now seen corresponding path program 1 times [2020-11-30 00:30:42,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:42,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418526277] [2020-11-30 00:30:42,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:30:42,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418526277] [2020-11-30 00:30:42,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:42,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:30:42,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971910507] [2020-11-30 00:30:42,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:30:42,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:42,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:30:42,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:42,788 INFO L87 Difference]: Start difference. First operand 1330 states and 1850 transitions. Second operand 3 states. [2020-11-30 00:30:42,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:42,874 INFO L93 Difference]: Finished difference Result 1330 states and 1850 transitions. [2020-11-30 00:30:42,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:30:42,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-11-30 00:30:42,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:42,887 INFO L225 Difference]: With dead ends: 1330 [2020-11-30 00:30:42,887 INFO L226 Difference]: Without dead ends: 1322 [2020-11-30 00:30:42,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:42,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2020-11-30 00:30:42,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1322. [2020-11-30 00:30:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1322 states. [2020-11-30 00:30:42,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1840 transitions. [2020-11-30 00:30:42,938 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1840 transitions. Word has length 50 [2020-11-30 00:30:42,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:42,939 INFO L481 AbstractCegarLoop]: Abstraction has 1322 states and 1840 transitions. [2020-11-30 00:30:42,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:30:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1840 transitions. [2020-11-30 00:30:42,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:30:42,943 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:42,943 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:30:42,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:30:42,944 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:42,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:42,944 INFO L82 PathProgramCache]: Analyzing trace with hash -576058789, now seen corresponding path program 1 times [2020-11-30 00:30:42,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:42,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027170584] [2020-11-30 00:30:42,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:30:43,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027170584] [2020-11-30 00:30:43,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:43,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:30:43,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059106774] [2020-11-30 00:30:43,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:30:43,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:43,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:30:43,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:43,156 INFO L87 Difference]: Start difference. First operand 1322 states and 1840 transitions. Second operand 3 states. [2020-11-30 00:30:43,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:43,296 INFO L93 Difference]: Finished difference Result 3798 states and 5316 transitions. [2020-11-30 00:30:43,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:30:43,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-11-30 00:30:43,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:43,312 INFO L225 Difference]: With dead ends: 3798 [2020-11-30 00:30:43,312 INFO L226 Difference]: Without dead ends: 2506 [2020-11-30 00:30:43,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:43,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2020-11-30 00:30:43,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 1326. [2020-11-30 00:30:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2020-11-30 00:30:43,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1840 transitions. [2020-11-30 00:30:43,423 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1840 transitions. Word has length 60 [2020-11-30 00:30:43,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:43,426 INFO L481 AbstractCegarLoop]: Abstraction has 1326 states and 1840 transitions. [2020-11-30 00:30:43,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:30:43,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1840 transitions. [2020-11-30 00:30:43,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:30:43,429 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:43,430 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:30:43,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:30:43,430 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:43,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:43,431 INFO L82 PathProgramCache]: Analyzing trace with hash -317893351, now seen corresponding path program 1 times [2020-11-30 00:30:43,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:43,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469173596] [2020-11-30 00:30:43,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:44,059 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:44,462 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:44,638 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:30:44,639 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:30:44,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:30:45,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:30:45 BoogieIcfgContainer [2020-11-30 00:30:45,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:30:45,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:30:45,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:30:45,008 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:30:45,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:30:40" (3/4) ... [2020-11-30 00:30:45,012 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:30:45,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:30:45,019 INFO L168 Benchmark]: Toolchain (without parser) took 13733.06 ms. Allocated memory was 98.6 MB in the beginning and 320.9 MB in the end (delta: 222.3 MB). Free memory was 58.7 MB in the beginning and 124.0 MB in the end (delta: -65.3 MB). Peak memory consumption was 155.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:45,019 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 73.4 MB. Free memory is still 32.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:30:45,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2296.32 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 58.3 MB in the beginning and 66.6 MB in the end (delta: -8.3 MB). Peak memory consumption was 55.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:45,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 322.31 ms. Allocated memory was 132.1 MB in the beginning and 176.2 MB in the end (delta: 44.0 MB). Free memory was 66.6 MB in the beginning and 121.4 MB in the end (delta: -54.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:45,022 INFO L168 Benchmark]: Boogie Preprocessor took 239.48 ms. Allocated memory is still 176.2 MB. Free memory was 121.4 MB in the beginning and 104.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:45,025 INFO L168 Benchmark]: RCFGBuilder took 6620.70 ms. Allocated memory was 176.2 MB in the beginning and 262.1 MB in the end (delta: 86.0 MB). Free memory was 104.6 MB in the beginning and 149.9 MB in the end (delta: -45.3 MB). Peak memory consumption was 133.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:45,025 INFO L168 Benchmark]: TraceAbstraction took 4239.23 ms. Allocated memory was 262.1 MB in the beginning and 320.9 MB in the end (delta: 58.7 MB). Free memory was 149.9 MB in the beginning and 124.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 143.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:45,029 INFO L168 Benchmark]: Witness Printer took 4.45 ms. Allocated memory is still 320.9 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:30:45,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 73.4 MB. Free memory is still 32.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2296.32 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 58.3 MB in the beginning and 66.6 MB in the end (delta: -8.3 MB). Peak memory consumption was 55.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 322.31 ms. Allocated memory was 132.1 MB in the beginning and 176.2 MB in the end (delta: 44.0 MB). Free memory was 66.6 MB in the beginning and 121.4 MB in the end (delta: -54.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 239.48 ms. Allocated memory is still 176.2 MB. Free memory was 121.4 MB in the beginning and 104.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6620.70 ms. Allocated memory was 176.2 MB in the beginning and 262.1 MB in the end (delta: 86.0 MB). Free memory was 104.6 MB in the beginning and 149.9 MB in the end (delta: -45.3 MB). Peak memory consumption was 133.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4239.23 ms. Allocated memory was 262.1 MB in the beginning and 320.9 MB in the end (delta: 58.7 MB). Free memory was 149.9 MB in the beginning and 124.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 143.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.45 ms. Allocated memory is still 320.9 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 5883, overapproximation of bitwiseAnd at line 6549. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6027-L6029] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6032] int tmp ; [L6691] return __VERIFIER_nondet_int(); [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6159] void *tmp ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6269] ldv_state_variable_3 = 1 [L6122] void *tmp ; [L6123] void *tmp___0 ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6408] COND TRUE ldv_state_variable_3 == 1 [L5535] struct spi_device *spi ; [L5536] struct spi_device *tmp ; [L5537] struct max3421_hcd *max3421_hcd ; [L5538] struct max3421_hcd *tmp___0 ; [L5539] struct max3421_ep *max3421_ep ; [L5540] unsigned long flags ; [L5541] int retval ; [L5542] void *tmp___1 ; [L5544] EXPR hcd->self.controller [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L4065] COND FALSE !((unsigned long )dev != (unsigned long )((struct device *)0)) [L4069] tmp = (struct spi_device *)0 VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L4071] return (tmp); VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L5544] tmp = to_spi_device(hcd->self.controller) [L5545] spi = tmp [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L5550] case 0U: VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L5557] default: VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L5562] EXPR urb->ep [L5562] EXPR (urb->ep)->hcpriv [L5562] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5563] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L12] COND FALSE !(0) VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] [L12] __assert_fail ("0", "43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [__this_module={159987531782:159987531778}, hrsl_to_error={67:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={100:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={110:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={125:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 614 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4113 SDtfs, 2205 SDslu, 2521 SDs, 0 SdLazy, 119 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1330occurred in iteration=2, 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, 4 MinimizatonAttempts, 1206 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 13814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:30:47,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:30:47,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:30:47,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:30:47,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:30:47,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:30:47,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:30:47,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:30:47,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:30:47,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:30:47,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:30:47,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:30:47,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:30:47,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:30:47,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:30:47,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:30:47,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:30:47,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:30:47,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:30:47,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:30:47,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:30:47,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:30:47,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:30:47,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:30:47,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:30:47,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:30:47,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:30:47,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:30:47,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:30:47,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:30:47,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:30:47,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:30:47,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:30:47,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:30:47,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:30:47,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:30:47,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:30:47,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:30:47,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:30:47,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:30:47,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:30:47,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-11-30 00:30:47,790 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:30:47,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:30:47,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:30:47,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:30:47,797 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:30:47,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:30:47,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:30:47,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:30:47,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:30:47,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:30:47,800 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:30:47,800 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:30:47,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:30:47,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:30:47,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:30:47,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:30:47,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:30:47,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:30:47,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:30:47,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:30:47,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:30:47,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:30:47,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:30:47,803 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:30:47,803 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:30:47,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:30:47,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:30:47,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:30:47,804 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-11-30 00:30:47,804 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e08c7abd7036b355ca3bf6867bde70f508f01ffc [2020-11-30 00:30:48,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:30:48,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:30:48,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:30:48,235 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:30:48,238 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:30:48,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2020-11-30 00:30:48,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/data/20109a6f5/4c5e8659978e4bc4a6535203daa572f5/FLAG07040dd1f [2020-11-30 00:30:49,178 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:30:49,179 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2020-11-30 00:30:49,216 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/data/20109a6f5/4c5e8659978e4bc4a6535203daa572f5/FLAG07040dd1f [2020-11-30 00:30:49,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/data/20109a6f5/4c5e8659978e4bc4a6535203daa572f5 [2020-11-30 00:30:49,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:30:49,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:30:49,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:30:49,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:30:49,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:30:49,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:30:49" (1/1) ... [2020-11-30 00:30:49,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2260d82b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:49, skipping insertion in model container [2020-11-30 00:30:49,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:30:49" (1/1) ... [2020-11-30 00:30:49,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:30:49,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:30:50,345 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2020-11-30 00:30:50,346 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2020-11-30 00:30:51,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:30:51,198 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:30:51,294 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2020-11-30 00:30:51,294 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2020-11-30 00:30:51,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:30:51,712 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:30:51,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51 WrapperNode [2020-11-30 00:30:51,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:30:51,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:30:51,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:30:51,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:30:51,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51" (1/1) ... [2020-11-30 00:30:51,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51" (1/1) ... [2020-11-30 00:30:51,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:30:51,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:30:51,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:30:51,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:30:51,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51" (1/1) ... [2020-11-30 00:30:51,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51" (1/1) ... [2020-11-30 00:30:52,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51" (1/1) ... [2020-11-30 00:30:52,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51" (1/1) ... [2020-11-30 00:30:52,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51" (1/1) ... [2020-11-30 00:30:52,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51" (1/1) ... [2020-11-30 00:30:52,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51" (1/1) ... [2020-11-30 00:30:52,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:30:52,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:30:52,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:30:52,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:30:52,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:30:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-30 00:30:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-11-30 00:30:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:30:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-11-30 00:30:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2020-11-30 00:30:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:30:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 00:30:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:30:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 00:30:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-30 00:30:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-11-30 00:30:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:30:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:30:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 00:30:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:30:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-30 00:30:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:30:52,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:31:08,507 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:31:08,507 INFO L298 CfgBuilder]: Removed 597 assume(true) statements. [2020-11-30 00:31:08,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:08 BoogieIcfgContainer [2020-11-30 00:31:08,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:31:08,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:31:08,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:31:08,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:31:08,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:30:49" (1/3) ... [2020-11-30 00:31:08,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efde04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:31:08, skipping insertion in model container [2020-11-30 00:31:08,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:51" (2/3) ... [2020-11-30 00:31:08,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efde04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:31:08, skipping insertion in model container [2020-11-30 00:31:08,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:08" (3/3) ... [2020-11-30 00:31:08,520 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2020-11-30 00:31:08,531 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:31:08,537 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-30 00:31:08,550 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-30 00:31:08,581 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:31:08,581 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:31:08,582 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:31:08,582 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:31:08,582 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:31:08,582 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:31:08,582 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:31:08,583 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:31:08,609 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states. [2020-11-30 00:31:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:31:08,624 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:08,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:08,625 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:08,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:08,631 INFO L82 PathProgramCache]: Analyzing trace with hash 898012474, now seen corresponding path program 1 times [2020-11-30 00:31:08,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:31:08,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296940737] [2020-11-30 00:31:08,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 00:31:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:09,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:31:09,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:31:09,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:09,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:31:09,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:09,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296940737] [2020-11-30 00:31:09,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:09,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-30 00:31:09,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682786602] [2020-11-30 00:31:09,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:09,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:31:09,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:09,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:09,907 INFO L87 Difference]: Start difference. First operand 614 states. Second operand 3 states. [2020-11-30 00:31:10,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:10,263 INFO L93 Difference]: Finished difference Result 1668 states and 2372 transitions. [2020-11-30 00:31:10,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:10,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-11-30 00:31:10,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:10,301 INFO L225 Difference]: With dead ends: 1668 [2020-11-30 00:31:10,301 INFO L226 Difference]: Without dead ends: 1030 [2020-11-30 00:31:10,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:10,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-11-30 00:31:10,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1022. [2020-11-30 00:31:10,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-11-30 00:31:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1422 transitions. [2020-11-30 00:31:10,428 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1422 transitions. Word has length 32 [2020-11-30 00:31:10,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:10,428 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 1422 transitions. [2020-11-30 00:31:10,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:10,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1422 transitions. [2020-11-30 00:31:10,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:31:10,438 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:10,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:10,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:31:10,648 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:10,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:10,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1202847814, now seen corresponding path program 1 times [2020-11-30 00:31:10,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:31:10,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450056894] [2020-11-30 00:31:10,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 00:31:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:11,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:31:11,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:31:11,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:11,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:31:11,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:11,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450056894] [2020-11-30 00:31:11,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:11,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-30 00:31:11,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56890255] [2020-11-30 00:31:11,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:11,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:31:11,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:11,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:11,703 INFO L87 Difference]: Start difference. First operand 1022 states and 1422 transitions. Second operand 3 states. [2020-11-30 00:31:12,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:12,102 INFO L93 Difference]: Finished difference Result 2340 states and 3258 transitions. [2020-11-30 00:31:12,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:12,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-11-30 00:31:12,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:12,113 INFO L225 Difference]: With dead ends: 2340 [2020-11-30 00:31:12,117 INFO L226 Difference]: Without dead ends: 1348 [2020-11-30 00:31:12,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:12,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2020-11-30 00:31:12,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1330. [2020-11-30 00:31:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-11-30 00:31:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1850 transitions. [2020-11-30 00:31:12,199 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1850 transitions. Word has length 42 [2020-11-30 00:31:12,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:12,201 INFO L481 AbstractCegarLoop]: Abstraction has 1330 states and 1850 transitions. [2020-11-30 00:31:12,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1850 transitions. [2020-11-30 00:31:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 00:31:12,208 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:12,209 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:31:12,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:31:12,434 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:12,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:12,435 INFO L82 PathProgramCache]: Analyzing trace with hash 384845083, now seen corresponding path program 1 times [2020-11-30 00:31:12,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:31:12,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820962901] [2020-11-30 00:31:12,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 00:31:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:13,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 00:31:13,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:31:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:13,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:31:13,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:13,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820962901] [2020-11-30 00:31:13,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:13,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-30 00:31:13,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272182867] [2020-11-30 00:31:13,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 00:31:13,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:31:13,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 00:31:13,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:31:13,613 INFO L87 Difference]: Start difference. First operand 1330 states and 1850 transitions. Second operand 8 states. [2020-11-30 00:31:14,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:14,542 INFO L93 Difference]: Finished difference Result 9604 states and 13524 transitions. [2020-11-30 00:31:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:31:14,544 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-11-30 00:31:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:14,598 INFO L225 Difference]: With dead ends: 9604 [2020-11-30 00:31:14,599 INFO L226 Difference]: Without dead ends: 8304 [2020-11-30 00:31:14,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-11-30 00:31:14,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8304 states. [2020-11-30 00:31:14,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8304 to 1338. [2020-11-30 00:31:14,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1338 states. [2020-11-30 00:31:14,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1858 transitions. [2020-11-30 00:31:14,861 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1858 transitions. Word has length 50 [2020-11-30 00:31:14,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:14,862 INFO L481 AbstractCegarLoop]: Abstraction has 1338 states and 1858 transitions. [2020-11-30 00:31:14,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 00:31:14,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1858 transitions. [2020-11-30 00:31:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 00:31:14,866 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:14,866 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:31:15,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:31:15,089 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:15,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:15,089 INFO L82 PathProgramCache]: Analyzing trace with hash -784470045, now seen corresponding path program 1 times [2020-11-30 00:31:15,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:31:15,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742540579] [2020-11-30 00:31:15,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 00:31:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:16,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:31:16,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:31:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:16,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:31:16,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:16,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742540579] [2020-11-30 00:31:16,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:16,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:31:16,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121164200] [2020-11-30 00:31:16,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:16,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:31:16,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:16,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:16,103 INFO L87 Difference]: Start difference. First operand 1338 states and 1858 transitions. Second operand 3 states. [2020-11-30 00:31:16,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:16,251 INFO L93 Difference]: Finished difference Result 1338 states and 1858 transitions. [2020-11-30 00:31:16,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:16,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-11-30 00:31:16,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:16,261 INFO L225 Difference]: With dead ends: 1338 [2020-11-30 00:31:16,261 INFO L226 Difference]: Without dead ends: 1330 [2020-11-30 00:31:16,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:16,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2020-11-30 00:31:16,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1330. [2020-11-30 00:31:16,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-11-30 00:31:16,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1848 transitions. [2020-11-30 00:31:16,363 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1848 transitions. Word has length 56 [2020-11-30 00:31:16,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:16,365 INFO L481 AbstractCegarLoop]: Abstraction has 1330 states and 1848 transitions. [2020-11-30 00:31:16,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1848 transitions. [2020-11-30 00:31:16,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:31:16,369 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:16,369 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:31:16,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 00:31:16,591 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:16,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:16,592 INFO L82 PathProgramCache]: Analyzing trace with hash -576058789, now seen corresponding path program 1 times [2020-11-30 00:31:16,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:31:16,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819568430] [2020-11-30 00:31:16,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-30 00:31:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:17,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:31:17,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:31:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:17,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:31:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:31:17,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819568430] [2020-11-30 00:31:17,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:17,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-30 00:31:17,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287413019] [2020-11-30 00:31:17,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:17,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:31:17,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:17,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:17,536 INFO L87 Difference]: Start difference. First operand 1330 states and 1848 transitions. Second operand 3 states. [2020-11-30 00:31:17,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:17,757 INFO L93 Difference]: Finished difference Result 3822 states and 5340 transitions. [2020-11-30 00:31:17,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:17,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-11-30 00:31:17,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:17,773 INFO L225 Difference]: With dead ends: 3822 [2020-11-30 00:31:17,773 INFO L226 Difference]: Without dead ends: 2522 [2020-11-30 00:31:17,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:17,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2020-11-30 00:31:17,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 1334. [2020-11-30 00:31:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1334 states. [2020-11-30 00:31:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1848 transitions. [2020-11-30 00:31:17,899 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1848 transitions. Word has length 60 [2020-11-30 00:31:17,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:17,901 INFO L481 AbstractCegarLoop]: Abstraction has 1334 states and 1848 transitions. [2020-11-30 00:31:17,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1848 transitions. [2020-11-30 00:31:17,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:31:17,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:17,905 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:31:18,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 00:31:18,127 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:18,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:18,128 INFO L82 PathProgramCache]: Analyzing trace with hash -317893351, now seen corresponding path program 1 times [2020-11-30 00:31:18,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:31:18,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64524226] [2020-11-30 00:31:18,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85ae24b0-5228-4e81-8874-f06133aba9f0/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-30 00:34:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:34:13,273 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:37:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:37:38,495 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:37:40,478 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 00:37:40,478 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:37:40,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-30 00:37:41,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:37:41 BoogieIcfgContainer [2020-11-30 00:37:41,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:37:41,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:37:41,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:37:41,102 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:37:41,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:08" (3/4) ... [2020-11-30 00:37:41,106 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:37:41,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:37:41,112 INFO L168 Benchmark]: Toolchain (without parser) took 411437.99 ms. Allocated memory was 67.1 MB in the beginning and 375.4 MB in the end (delta: 308.3 MB). Free memory was 37.7 MB in the beginning and 244.1 MB in the end (delta: -206.4 MB). Peak memory consumption was 101.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:41,113 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:37:41,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2043.87 ms. Allocated memory was 67.1 MB in the beginning and 119.5 MB in the end (delta: 52.4 MB). Free memory was 37.5 MB in the beginning and 64.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 41.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:41,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 260.82 ms. Allocated memory is still 119.5 MB. Free memory was 64.5 MB in the beginning and 47.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:41,116 INFO L168 Benchmark]: Boogie Preprocessor took 216.46 ms. Allocated memory is still 119.5 MB. Free memory was 47.1 MB in the beginning and 56.6 MB in the end (delta: -9.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:41,118 INFO L168 Benchmark]: RCFGBuilder took 16315.57 ms. Allocated memory was 119.5 MB in the beginning and 308.3 MB in the end (delta: 188.7 MB). Free memory was 56.6 MB in the beginning and 138.5 MB in the end (delta: -81.9 MB). Peak memory consumption was 139.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:41,119 INFO L168 Benchmark]: TraceAbstraction took 392588.31 ms. Allocated memory was 308.3 MB in the beginning and 375.4 MB in the end (delta: 67.1 MB). Free memory was 138.5 MB in the beginning and 244.1 MB in the end (delta: -105.6 MB). Peak memory consumption was 127.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:41,121 INFO L168 Benchmark]: Witness Printer took 5.06 ms. Allocated memory is still 375.4 MB. Free memory is still 244.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:37:41,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2043.87 ms. Allocated memory was 67.1 MB in the beginning and 119.5 MB in the end (delta: 52.4 MB). Free memory was 37.5 MB in the beginning and 64.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 41.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 260.82 ms. Allocated memory is still 119.5 MB. Free memory was 64.5 MB in the beginning and 47.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 216.46 ms. Allocated memory is still 119.5 MB. Free memory was 47.1 MB in the beginning and 56.6 MB in the end (delta: -9.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 16315.57 ms. Allocated memory was 119.5 MB in the beginning and 308.3 MB in the end (delta: 188.7 MB). Free memory was 56.6 MB in the beginning and 138.5 MB in the end (delta: -81.9 MB). Peak memory consumption was 139.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 392588.31 ms. Allocated memory was 308.3 MB in the beginning and 375.4 MB in the end (delta: 67.1 MB). Free memory was 138.5 MB in the beginning and 244.1 MB in the end (delta: -105.6 MB). Peak memory consumption was 127.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.06 ms. Allocated memory is still 375.4 MB. Free memory is still 244.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 5883. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6027-L6029] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6032] int tmp ; [L6691] return __VERIFIER_nondet_int(); [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6159] void *tmp ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6269] ldv_state_variable_3 = 1 [L6122] void *tmp ; [L6123] void *tmp___0 ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6408] COND TRUE ldv_state_variable_3 == 1 [L5535] struct spi_device *spi ; [L5536] struct spi_device *tmp ; [L5537] struct max3421_hcd *max3421_hcd ; [L5538] struct max3421_hcd *tmp___0 ; [L5539] struct max3421_ep *max3421_ep ; [L5540] unsigned long flags ; [L5541] int retval ; [L5542] void *tmp___1 ; [L5544] EXPR hcd->self.controller [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L4065] COND FALSE !((unsigned long )dev != (unsigned long )((struct device *)0)) [L4069] tmp = (struct spi_device *)0 VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L4071] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L5544] tmp = to_spi_device(hcd->self.controller) [L5545] spi = tmp [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L5550] case 0U: VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L5557] default: VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L5562] EXPR urb->ep [L5562] EXPR (urb->ep)->hcpriv [L5562] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5563] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L12] COND FALSE !(0) VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] [L12] __assert_fail ("0", "43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [__this_module={0:0}, hrsl_to_error={2141062267:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1067320441:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1520518052:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2141062266:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 614 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 392.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6291 SDtfs, 7090 SDslu, 14036 SDs, 0 SdLazy, 173 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 476 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1338occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 8180 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 177.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 470 ConstructedInterpolants, 0 QuantifiedInterpolants, 37719 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3544 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 18/18 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 Received shutdown request...