./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/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_false-unreach-call.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/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_false-unreach-call.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 26b7dc26029e4dd46971c4b95c446eac0360ca1d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/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_false-unreach-call.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 26b7dc26029e4dd46971c4b95c446eac0360ca1d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-15 14:16:22,414 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-15 14:16:22,415 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-15 14:16:22,431 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-15 14:16:22,432 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-15 14:16:22,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-15 14:16:22,434 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-15 14:16:22,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-15 14:16:22,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-15 14:16:22,439 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-15 14:16:22,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-15 14:16:22,440 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-15 14:16:22,441 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-15 14:16:22,442 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-15 14:16:22,443 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-15 14:16:22,444 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-15 14:16:22,445 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-15 14:16:22,447 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-15 14:16:22,449 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-15 14:16:22,451 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-15 14:16:22,452 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-15 14:16:22,453 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-15 14:16:22,456 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-15 14:16:22,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-15 14:16:22,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-15 14:16:22,457 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-15 14:16:22,458 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-15 14:16:22,459 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-15 14:16:22,460 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-15 14:16:22,461 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-15 14:16:22,461 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-15 14:16:22,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-15 14:16:22,463 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-15 14:16:22,463 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-15 14:16:22,464 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-15 14:16:22,465 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-15 14:16:22,465 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-01-15 14:16:22,484 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-15 14:16:22,485 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-15 14:16:22,486 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-15 14:16:22,486 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-15 14:16:22,486 INFO L133 SettingsManager]: * Use SBE=true [2019-01-15 14:16:22,487 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-15 14:16:22,487 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-15 14:16:22,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-15 14:16:22,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-15 14:16:22,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-15 14:16:22,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-15 14:16:22,488 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-15 14:16:22,489 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-15 14:16:22,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-15 14:16:22,490 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-15 14:16:22,490 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-15 14:16:22,491 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-15 14:16:22,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-15 14:16:22,491 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-15 14:16:22,491 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-15 14:16:22,491 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-15 14:16:22,491 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-15 14:16:22,492 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-15 14:16:22,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-15 14:16:22,492 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-15 14:16:22,492 INFO L133 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> 26b7dc26029e4dd46971c4b95c446eac0360ca1d [2019-01-15 14:16:22,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-15 14:16:22,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-15 14:16:22,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-15 14:16:22,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-15 14:16:22,583 INFO L276 PluginConnector]: CDTParser initialized [2019-01-15 14:16:22,584 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i [2019-01-15 14:16:22,644 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f641f1e/f133803322e44aa4baa8fc572c46593b/FLAGf706b8dc9 [2019-01-15 14:16:23,379 INFO L307 CDTParser]: Found 1 translation units. [2019-01-15 14:16:23,380 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i [2019-01-15 14:16:23,417 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f641f1e/f133803322e44aa4baa8fc572c46593b/FLAGf706b8dc9 [2019-01-15 14:16:23,463 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f641f1e/f133803322e44aa4baa8fc572c46593b [2019-01-15 14:16:23,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-15 14:16:23,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-15 14:16:23,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-15 14:16:23,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-15 14:16:23,474 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-15 14:16:23,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.01 02:16:23" (1/1) ... [2019-01-15 14:16:23,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189d4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:23, skipping insertion in model container [2019-01-15 14:16:23,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.01 02:16:23" (1/1) ... [2019-01-15 14:16:23,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-15 14:16:23,643 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-15 14:16:24,151 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-01-15 14:16:24,151 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-01-15 14:16:25,292 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-15 14:16:25,312 INFO L191 MainTranslator]: Completed pre-run [2019-01-15 14:16:25,389 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-01-15 14:16:25,390 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-01-15 14:16:25,575 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-15 14:16:25,755 INFO L195 MainTranslator]: Completed translation [2019-01-15 14:16:25,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25 WrapperNode [2019-01-15 14:16:25,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-15 14:16:25,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-15 14:16:25,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-15 14:16:25,758 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-15 14:16:25,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ... [2019-01-15 14:16:25,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ... [2019-01-15 14:16:26,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-15 14:16:26,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-15 14:16:26,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-15 14:16:26,064 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-15 14:16:26,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ... [2019-01-15 14:16:26,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ... [2019-01-15 14:16:26,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ... [2019-01-15 14:16:26,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ... [2019-01-15 14:16:26,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ... [2019-01-15 14:16:26,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ... [2019-01-15 14:16:26,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ... [2019-01-15 14:16:26,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-15 14:16:26,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-15 14:16:26,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-15 14:16:26,341 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-15 14:16:26,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-15 14:16:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-15 14:16:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-15 14:16:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-01-15 14:16:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-15 14:16:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-15 14:16:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-15 14:16:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-15 14:16:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-15 14:16:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-15 14:16:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-15 14:16:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-15 14:16:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-15 14:16:33,000 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-15 14:16:33,000 INFO L286 CfgBuilder]: Removed 517 assue(true) statements. [2019-01-15 14:16:33,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:16:33 BoogieIcfgContainer [2019-01-15 14:16:33,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-15 14:16:33,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-15 14:16:33,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-15 14:16:33,007 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-15 14:16:33,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.01 02:16:23" (1/3) ... [2019-01-15 14:16:33,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f266c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.01 02:16:33, skipping insertion in model container [2019-01-15 14:16:33,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:25" (2/3) ... [2019-01-15 14:16:33,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f266c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.01 02:16:33, skipping insertion in model container [2019-01-15 14:16:33,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:16:33" (3/3) ... [2019-01-15 14:16:33,010 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i [2019-01-15 14:16:33,020 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-15 14:16:33,037 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-15 14:16:33,057 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-15 14:16:33,111 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-15 14:16:33,112 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-15 14:16:33,112 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-15 14:16:33,112 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-15 14:16:33,112 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-15 14:16:33,113 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-15 14:16:33,113 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-15 14:16:33,113 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-15 14:16:33,114 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-15 14:16:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states. [2019-01-15 14:16:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-15 14:16:33,163 INFO L394 BasicCegarLoop]: Found error trace [2019-01-15 14:16:33,164 INFO L402 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] [2019-01-15 14:16:33,167 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-15 14:16:33,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-15 14:16:33,173 INFO L82 PathProgramCache]: Analyzing trace with hash 595238027, now seen corresponding path program 1 times [2019-01-15 14:16:33,175 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-15 14:16:33,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-15 14:16:33,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-15 14:16:33,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-15 14:16:33,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-15 14:16:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-15 14:16:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-15 14:16:33,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-15 14:16:33,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-15 14:16:33,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-15 14:16:33,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-15 14:16:33,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:16:33,806 INFO L87 Difference]: Start difference. First operand 557 states. Second operand 3 states. [2019-01-15 14:16:34,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-15 14:16:34,145 INFO L93 Difference]: Finished difference Result 1540 states and 2204 transitions. [2019-01-15 14:16:34,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-15 14:16:34,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-01-15 14:16:34,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-15 14:16:34,174 INFO L225 Difference]: With dead ends: 1540 [2019-01-15 14:16:34,175 INFO L226 Difference]: Without dead ends: 969 [2019-01-15 14:16:34,182 INFO L631 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 [2019-01-15 14:16:34,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2019-01-15 14:16:34,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 965. [2019-01-15 14:16:34,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-01-15 14:16:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1370 transitions. [2019-01-15 14:16:34,323 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1370 transitions. Word has length 29 [2019-01-15 14:16:34,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-15 14:16:34,323 INFO L480 AbstractCegarLoop]: Abstraction has 965 states and 1370 transitions. [2019-01-15 14:16:34,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-15 14:16:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1370 transitions. [2019-01-15 14:16:34,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-15 14:16:34,329 INFO L394 BasicCegarLoop]: Found error trace [2019-01-15 14:16:34,329 INFO L402 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] [2019-01-15 14:16:34,329 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-15 14:16:34,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-15 14:16:34,330 INFO L82 PathProgramCache]: Analyzing trace with hash -488716941, now seen corresponding path program 1 times [2019-01-15 14:16:34,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-15 14:16:34,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-15 14:16:34,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-15 14:16:34,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-15 14:16:34,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-15 14:16:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-15 14:16:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-15 14:16:34,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-15 14:16:34,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-15 14:16:34,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-15 14:16:34,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-15 14:16:34,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:16:34,533 INFO L87 Difference]: Start difference. First operand 965 states and 1370 transitions. Second operand 3 states. [2019-01-15 14:16:35,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-15 14:16:35,143 INFO L93 Difference]: Finished difference Result 2213 states and 3138 transitions. [2019-01-15 14:16:35,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-15 14:16:35,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-01-15 14:16:35,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-15 14:16:35,153 INFO L225 Difference]: With dead ends: 2213 [2019-01-15 14:16:35,153 INFO L226 Difference]: Without dead ends: 1263 [2019-01-15 14:16:35,157 INFO L631 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 [2019-01-15 14:16:35,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2019-01-15 14:16:35,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1254. [2019-01-15 14:16:35,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2019-01-15 14:16:35,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1778 transitions. [2019-01-15 14:16:35,207 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1778 transitions. Word has length 40 [2019-01-15 14:16:35,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-15 14:16:35,207 INFO L480 AbstractCegarLoop]: Abstraction has 1254 states and 1778 transitions. [2019-01-15 14:16:35,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-15 14:16:35,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1778 transitions. [2019-01-15 14:16:35,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-15 14:16:35,211 INFO L394 BasicCegarLoop]: Found error trace [2019-01-15 14:16:35,212 INFO L402 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] [2019-01-15 14:16:35,212 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-15 14:16:35,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-15 14:16:35,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1128667714, now seen corresponding path program 1 times [2019-01-15 14:16:35,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-15 14:16:35,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-15 14:16:35,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-15 14:16:35,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-15 14:16:35,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-15 14:16:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-15 14:16:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-15 14:16:35,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-15 14:16:35,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-15 14:16:35,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-15 14:16:35,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-15 14:16:35,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:16:35,531 INFO L87 Difference]: Start difference. First operand 1254 states and 1778 transitions. Second operand 3 states. [2019-01-15 14:16:35,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-15 14:16:35,873 INFO L93 Difference]: Finished difference Result 1254 states and 1778 transitions. [2019-01-15 14:16:35,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-15 14:16:35,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-01-15 14:16:35,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-15 14:16:35,883 INFO L225 Difference]: With dead ends: 1254 [2019-01-15 14:16:35,884 INFO L226 Difference]: Without dead ends: 1250 [2019-01-15 14:16:35,885 INFO L631 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 [2019-01-15 14:16:35,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2019-01-15 14:16:35,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2019-01-15 14:16:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2019-01-15 14:16:35,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1772 transitions. [2019-01-15 14:16:35,946 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1772 transitions. Word has length 47 [2019-01-15 14:16:35,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-15 14:16:35,947 INFO L480 AbstractCegarLoop]: Abstraction has 1250 states and 1772 transitions. [2019-01-15 14:16:35,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-15 14:16:35,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1772 transitions. [2019-01-15 14:16:35,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-15 14:16:35,950 INFO L394 BasicCegarLoop]: Found error trace [2019-01-15 14:16:35,951 INFO L402 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] [2019-01-15 14:16:35,951 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-15 14:16:35,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-15 14:16:35,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1932800416, now seen corresponding path program 1 times [2019-01-15 14:16:35,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-15 14:16:35,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-15 14:16:35,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-15 14:16:35,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-15 14:16:35,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-15 14:16:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-15 14:16:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-15 14:16:36,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-15 14:16:36,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-15 14:16:36,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-15 14:16:36,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-15 14:16:36,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:16:36,172 INFO L87 Difference]: Start difference. First operand 1250 states and 1772 transitions. Second operand 3 states. [2019-01-15 14:16:36,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-15 14:16:36,640 INFO L93 Difference]: Finished difference Result 3616 states and 5140 transitions. [2019-01-15 14:16:36,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-15 14:16:36,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-01-15 14:16:36,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-15 14:16:36,657 INFO L225 Difference]: With dead ends: 3616 [2019-01-15 14:16:36,657 INFO L226 Difference]: Without dead ends: 2381 [2019-01-15 14:16:36,661 INFO L631 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 [2019-01-15 14:16:36,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2019-01-15 14:16:36,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1254. [2019-01-15 14:16:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2019-01-15 14:16:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1772 transitions. [2019-01-15 14:16:36,750 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1772 transitions. Word has length 58 [2019-01-15 14:16:36,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-15 14:16:36,750 INFO L480 AbstractCegarLoop]: Abstraction has 1254 states and 1772 transitions. [2019-01-15 14:16:36,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-15 14:16:36,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1772 transitions. [2019-01-15 14:16:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-15 14:16:36,754 INFO L394 BasicCegarLoop]: Found error trace [2019-01-15 14:16:36,754 INFO L402 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] [2019-01-15 14:16:36,755 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-15 14:16:36,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-15 14:16:36,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1969139870, now seen corresponding path program 1 times [2019-01-15 14:16:36,755 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-15 14:16:36,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-15 14:16:36,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-15 14:16:36,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-15 14:16:36,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-15 14:16:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-15 14:16:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-15 14:16:44,303 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-15 14:16:44,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.01 02:16:44 BoogieIcfgContainer [2019-01-15 14:16:44,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-15 14:16:44,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-15 14:16:44,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-15 14:16:44,673 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-15 14:16:44,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:16:33" (3/4) ... [2019-01-15 14:16:44,679 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-15 14:16:44,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-15 14:16:44,680 INFO L168 Benchmark]: Toolchain (without parser) took 21212.93 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 839.9 MB). Free memory was 935.1 MB in the beginning and 1.6 GB in the end (delta: -655.8 MB). Peak memory consumption was 184.1 MB. Max. memory is 11.5 GB. [2019-01-15 14:16:44,684 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-15 14:16:44,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2286.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 935.1 MB in the beginning and 1.0 GB in the end (delta: -91.8 MB). Peak memory consumption was 88.9 MB. Max. memory is 11.5 GB. [2019-01-15 14:16:44,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 306.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-01-15 14:16:44,689 INFO L168 Benchmark]: Boogie Preprocessor took 276.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 991.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-01-15 14:16:44,690 INFO L168 Benchmark]: RCFGBuilder took 6661.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.7 MB). Free memory was 991.7 MB in the beginning and 931.3 MB in the end (delta: 60.4 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB. [2019-01-15 14:16:44,692 INFO L168 Benchmark]: TraceAbstraction took 11669.21 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 567.8 MB). Free memory was 931.3 MB in the beginning and 1.6 GB in the end (delta: -659.6 MB). Peak memory consumption was 426.6 MB. Max. memory is 11.5 GB. [2019-01-15 14:16:44,694 INFO L168 Benchmark]: Witness Printer took 6.66 ms. Allocated memory is still 1.9 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-15 14:16:44,702 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2286.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 935.1 MB in the beginning and 1.0 GB in the end (delta: -91.8 MB). Peak memory consumption was 88.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 306.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 276.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 991.7 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6661.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.7 MB). Free memory was 991.7 MB in the beginning and 931.3 MB in the end (delta: 60.4 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11669.21 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 567.8 MB). Free memory was 931.3 MB in the beginning and 1.6 GB in the end (delta: -659.6 MB). Peak memory consumption was 426.6 MB. Max. memory is 11.5 GB. * Witness Printer took 6.66 ms. Allocated memory is still 1.9 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3980]: 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 5876, overapproximation of bitwiseAnd at line 6548. Possible FailurePath: [L4003] int ldv_irq_1_2 = 0; [L4004] int LDV_IN_INTERRUPT = 1; [L4005] int ldv_irq_1_3 = 0; [L4006] void *ldv_irq_data_1_1 ; [L4007] int ldv_irq_1_1 = 0; [L4008] int ldv_irq_1_0 = 0; [L4009] struct urb *max3421_hcd_desc_group0 ; [L4010] int ldv_irq_line_1_3 ; [L4011] void *ldv_irq_data_1_0 ; [L4012] int ldv_state_variable_0 ; [L4013] struct usb_hcd *max3421_hcd_desc_group1 ; [L4014] int ldv_state_variable_3 ; [L4015] int ldv_irq_line_1_0 ; [L4016] int ldv_state_variable_2 ; [L4017] void *ldv_irq_data_1_3 ; [L4018] struct spi_device *max3421_driver_group0 ; [L4019] int ref_cnt ; [L4020] int ldv_irq_line_1_1 ; [L4021] void *ldv_irq_data_1_2 ; [L4022] int ldv_state_variable_1 ; [L4023] int ldv_irq_line_1_2 ; [L4201] static struct max3421_hcd *max3421_hcd_list ; [L4202-L4206] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5875-L5881] 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}; [L6020-L6022] 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}}; [L6038] int ldv_retval_0 ; [L6039] int ldv_retval_1 ; [L6042] int ldv_retval_2 ; [L6544] int ldv_spin = 0; VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6187] char *ldvarg7 ; [L6188] void *tmp ; [L6189] u16 ldvarg3 ; [L6190] u16 tmp___0 ; [L6191] u16 ldvarg0 ; [L6192] u16 tmp___1 ; [L6193] gfp_t ldvarg5 ; [L6194] gfp_t ldvarg6 ; [L6195] struct usb_host_endpoint *ldvarg8 ; [L6196] void *tmp___2 ; [L6197] u16 ldvarg1 ; [L6198] u16 tmp___3 ; [L6199] char *ldvarg4 ; [L6200] void *tmp___4 ; [L6201] int ldvarg9 ; [L6202] int tmp___5 ; [L6203] u16 ldvarg2 ; [L6204] u16 tmp___6 ; [L6205] int tmp___7 ; [L6206] int tmp___8 ; [L6207] int tmp___9 ; [L6208] int tmp___10 ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6210] tmp = ldv_zalloc(1UL) [L6211] ldvarg7 = (char *)tmp [L6212] tmp___0 = __VERIFIER_nondet_u16() [L6213] ldvarg3 = tmp___0 [L6214] tmp___1 = __VERIFIER_nondet_u16() [L6215] ldvarg0 = tmp___1 [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6216] tmp___2 = ldv_zalloc(72UL) [L6217] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6218] tmp___3 = __VERIFIER_nondet_u16() [L6219] ldvarg1 = tmp___3 [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6220] tmp___4 = ldv_zalloc(1UL) [L6221] ldvarg4 = (char *)tmp___4 [L6222] tmp___5 = __VERIFIER_nondet_int() [L6223] ldvarg9 = tmp___5 [L6224] tmp___6 = __VERIFIER_nondet_u16() [L6225] ldvarg2 = tmp___6 VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6227] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6228] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6229] ldv_state_variable_1 = 1 [L6230] ref_cnt = 0 [L6231] ldv_state_variable_0 = 1 [L6232] ldv_state_variable_3 = 0 [L6233] ldv_state_variable_2 = 0 VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6235] tmp___7 = __VERIFIER_nondet_int() [L6237] case 0: [L6243] case 1: VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6244] COND TRUE ldv_state_variable_0 != 0 [L6245] tmp___8 = __VERIFIER_nondet_int() [L6247] case 0: [L6255] case 1: VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6256] COND TRUE ldv_state_variable_0 == 1 [L6025] int tmp ; [L6693] return __VERIFIER_nondet_int(); [L6027] tmp = spi_register_driver(& max3421_driver) [L6028] return (tmp); VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6257] ldv_retval_0 = max3421_driver_init() [L6258] COND TRUE ldv_retval_0 == 0 [L6259] ldv_state_variable_0 = 3 [L6260] ldv_state_variable_2 = 1 [L6152] void *tmp ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6154] tmp = ldv_zalloc(1496UL) [L6155] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6262] ldv_state_variable_3 = 1 [L6115] void *tmp ; [L6116] void *tmp___0 ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6118] tmp = ldv_zalloc(192UL) [L6119] max3421_hcd_desc_group0 = (struct urb *)tmp [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6120] tmp___0 = ldv_zalloc(968UL) [L6121] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6266] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6235] tmp___7 = __VERIFIER_nondet_int() [L6237] case 0: [L6243] case 1: [L6281] case 2: VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6282] COND TRUE ldv_state_variable_3 != 0 [L6283] tmp___9 = __VERIFIER_nondet_int() [L6285] case 0: [L6296] case 1: [L6308] case 2: [L6320] case 3: [L6332] case 4: [L6344] case 5: [L6356] case 6: [L6368] case 7: [L6380] case 8: [L6388] case 9: [L6400] case 10: VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6401] COND TRUE ldv_state_variable_3 == 1 [L5528] struct spi_device *spi ; [L5529] struct spi_device *tmp ; [L5530] struct max3421_hcd *max3421_hcd ; [L5531] struct max3421_hcd *tmp___0 ; [L5532] struct max3421_ep *max3421_ep ; [L5533] unsigned long flags ; [L5534] int retval ; [L5535] void *tmp___1 ; [L5537] EXPR hcd->self.controller [L4055] struct device const *__mptr ; [L4056] struct spi_device *tmp ; VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L4058] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4059] __mptr = (struct device const *)dev [L4060] tmp = (struct spi_device *)__mptr VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L4064] return (tmp); VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L5537] tmp = to_spi_device(hcd->self.controller) [L5538] spi = tmp [L4216] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L5539] tmp___0 = hcd_to_max3421(hcd) [L5540] max3421_hcd = tmp___0 [L5541] urb->pipe [L5542] case 1U: VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L5543] case 0U: VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L5550] default: VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L6581] ldv_spin = 1 VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L5555] EXPR urb->ep [L5555] EXPR (urb->ep)->hcpriv [L5555] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5556] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L6548] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] [L3980] __VERIFIER_error() VAL [__this_module={18446744073709551601:18446744073709551599}, hrsl_to_error={-80:0}, 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={-33:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-15:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-8:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 557 locations, 4 error locations. UNSAFE Result, 11.5s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3857 SDtfs, 2070 SDslu, 2393 SDs, 0 SdLazy, 119 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1254occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 1140 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 12536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.24-0ed9222-m [2019-01-15 14:16:47,127 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-15 14:16:47,129 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-15 14:16:47,145 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-15 14:16:47,145 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-15 14:16:47,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-15 14:16:47,148 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-15 14:16:47,150 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-15 14:16:47,152 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-15 14:16:47,153 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-15 14:16:47,155 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-15 14:16:47,155 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-15 14:16:47,156 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-15 14:16:47,157 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-15 14:16:47,158 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-15 14:16:47,160 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-15 14:16:47,161 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-15 14:16:47,163 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-15 14:16:47,165 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-15 14:16:47,167 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-15 14:16:47,169 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-15 14:16:47,170 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-15 14:16:47,173 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-15 14:16:47,174 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-15 14:16:47,174 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-15 14:16:47,175 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-15 14:16:47,177 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-15 14:16:47,177 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-15 14:16:47,179 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-15 14:16:47,180 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-15 14:16:47,181 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-15 14:16:47,181 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-15 14:16:47,182 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-15 14:16:47,182 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-15 14:16:47,184 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-15 14:16:47,184 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-15 14:16:47,185 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-01-15 14:16:47,219 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-15 14:16:47,220 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-15 14:16:47,222 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-15 14:16:47,222 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-15 14:16:47,222 INFO L133 SettingsManager]: * Use SBE=true [2019-01-15 14:16:47,222 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-15 14:16:47,223 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-15 14:16:47,224 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-15 14:16:47,224 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-15 14:16:47,224 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-15 14:16:47,224 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-15 14:16:47,225 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-15 14:16:47,225 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-15 14:16:47,225 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-15 14:16:47,225 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-15 14:16:47,225 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-15 14:16:47,226 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-15 14:16:47,227 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-15 14:16:47,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-15 14:16:47,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-15 14:16:47,228 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-15 14:16:47,228 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-15 14:16:47,228 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-15 14:16:47,228 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-15 14:16:47,228 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-15 14:16:47,228 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-15 14:16:47,229 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-15 14:16:47,229 INFO L133 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> 26b7dc26029e4dd46971c4b95c446eac0360ca1d [2019-01-15 14:16:47,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-15 14:16:47,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-15 14:16:47,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-15 14:16:47,316 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-15 14:16:47,316 INFO L276 PluginConnector]: CDTParser initialized [2019-01-15 14:16:47,318 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/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_false-unreach-call.cil.out.i [2019-01-15 14:16:47,375 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254a39761/bb6e300ccacb4fadbd6fd58a2fec7958/FLAGa422be527 [2019-01-15 14:16:48,125 INFO L307 CDTParser]: Found 1 translation units. [2019-01-15 14:16:48,126 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/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_false-unreach-call.cil.out.i [2019-01-15 14:16:48,169 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254a39761/bb6e300ccacb4fadbd6fd58a2fec7958/FLAGa422be527 [2019-01-15 14:16:48,660 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254a39761/bb6e300ccacb4fadbd6fd58a2fec7958 [2019-01-15 14:16:48,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-15 14:16:48,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-15 14:16:48,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-15 14:16:48,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-15 14:16:48,670 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-15 14:16:48,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.01 02:16:48" (1/1) ... [2019-01-15 14:16:48,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12efd5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:48, skipping insertion in model container [2019-01-15 14:16:48,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.01 02:16:48" (1/1) ... [2019-01-15 14:16:48,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-15 14:16:48,819 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-15 14:16:49,352 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-01-15 14:16:49,353 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-01-15 14:16:50,688 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-15 14:16:50,720 INFO L191 MainTranslator]: Completed pre-run [2019-01-15 14:16:50,814 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-01-15 14:16:50,815 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-01-15 14:16:51,006 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-15 14:16:51,273 INFO L195 MainTranslator]: Completed translation [2019-01-15 14:16:51,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51 WrapperNode [2019-01-15 14:16:51,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-15 14:16:51,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-15 14:16:51,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-15 14:16:51,275 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-15 14:16:51,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ... [2019-01-15 14:16:51,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ... [2019-01-15 14:16:51,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-15 14:16:51,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-15 14:16:51,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-15 14:16:51,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-15 14:16:51,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ... [2019-01-15 14:16:51,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ... [2019-01-15 14:16:51,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ... [2019-01-15 14:16:51,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ... [2019-01-15 14:16:51,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ... [2019-01-15 14:16:51,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ... [2019-01-15 14:16:51,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ... [2019-01-15 14:16:51,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-15 14:16:51,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-15 14:16:51,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-15 14:16:51,790 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-15 14:16:51,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-15 14:16:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-01-15 14:16:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-01-15 14:16:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-15 14:16:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-01-15 14:16:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-01-15 14:16:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-15 14:16:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-15 14:16:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-15 14:16:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-15 14:16:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-01-15 14:16:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-01-15 14:16:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-15 14:16:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-15 14:16:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-15 14:16:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-01-15 14:16:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-01-15 14:16:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-15 14:16:51,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-15 14:17:15,934 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-15 14:17:15,935 INFO L286 CfgBuilder]: Removed 517 assue(true) statements. [2019-01-15 14:17:15,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:17:15 BoogieIcfgContainer [2019-01-15 14:17:15,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-15 14:17:15,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-15 14:17:15,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-15 14:17:15,945 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-15 14:17:15,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.01 02:16:48" (1/3) ... [2019-01-15 14:17:15,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fedbc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.01 02:17:15, skipping insertion in model container [2019-01-15 14:17:15,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.01 02:16:51" (2/3) ... [2019-01-15 14:17:15,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fedbc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.01 02:17:15, skipping insertion in model container [2019-01-15 14:17:15,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:17:15" (3/3) ... [2019-01-15 14:17:15,949 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i [2019-01-15 14:17:15,959 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-15 14:17:15,968 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-15 14:17:15,985 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-15 14:17:16,021 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-15 14:17:16,023 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-15 14:17:16,023 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-15 14:17:16,023 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-15 14:17:16,023 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-15 14:17:16,023 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-15 14:17:16,023 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-15 14:17:16,024 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-15 14:17:16,024 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-15 14:17:16,053 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states. [2019-01-15 14:17:16,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-15 14:17:16,073 INFO L394 BasicCegarLoop]: Found error trace [2019-01-15 14:17:16,075 INFO L402 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] [2019-01-15 14:17:16,077 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-15 14:17:16,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-15 14:17:16,084 INFO L82 PathProgramCache]: Analyzing trace with hash 595238027, now seen corresponding path program 1 times [2019-01-15 14:17:16,092 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-15 14:17:16,093 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-15 14:17:16,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-15 14:17:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-15 14:17:16,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-15 14:17:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-15 14:17:16,653 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-15 14:17:16,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-15 14:17:16,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-15 14:17:16,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-15 14:17:16,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-15 14:17:16,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:17:16,681 INFO L87 Difference]: Start difference. First operand 557 states. Second operand 3 states. [2019-01-15 14:17:17,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-15 14:17:17,538 INFO L93 Difference]: Finished difference Result 1540 states and 2204 transitions. [2019-01-15 14:17:17,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-15 14:17:17,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-01-15 14:17:17,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-15 14:17:17,661 INFO L225 Difference]: With dead ends: 1540 [2019-01-15 14:17:17,663 INFO L226 Difference]: Without dead ends: 969 [2019-01-15 14:17:17,669 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:17:17,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2019-01-15 14:17:17,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 965. [2019-01-15 14:17:17,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-01-15 14:17:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1370 transitions. [2019-01-15 14:17:17,815 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1370 transitions. Word has length 29 [2019-01-15 14:17:17,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-15 14:17:17,816 INFO L480 AbstractCegarLoop]: Abstraction has 965 states and 1370 transitions. [2019-01-15 14:17:17,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-15 14:17:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1370 transitions. [2019-01-15 14:17:17,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-15 14:17:17,820 INFO L394 BasicCegarLoop]: Found error trace [2019-01-15 14:17:17,820 INFO L402 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] [2019-01-15 14:17:17,821 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-15 14:17:17,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-15 14:17:17,821 INFO L82 PathProgramCache]: Analyzing trace with hash -488716941, now seen corresponding path program 1 times [2019-01-15 14:17:17,823 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-15 14:17:17,823 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-15 14:17:17,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-15 14:17:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-15 14:17:18,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-15 14:17:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-15 14:17:18,300 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-15 14:17:18,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-15 14:17:18,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-15 14:17:18,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-15 14:17:18,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-15 14:17:18,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:17:18,307 INFO L87 Difference]: Start difference. First operand 965 states and 1370 transitions. Second operand 3 states. [2019-01-15 14:17:19,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-15 14:17:19,384 INFO L93 Difference]: Finished difference Result 2213 states and 3138 transitions. [2019-01-15 14:17:19,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-15 14:17:19,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-01-15 14:17:19,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-15 14:17:19,393 INFO L225 Difference]: With dead ends: 2213 [2019-01-15 14:17:19,393 INFO L226 Difference]: Without dead ends: 1263 [2019-01-15 14:17:19,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:17:19,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2019-01-15 14:17:19,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1254. [2019-01-15 14:17:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2019-01-15 14:17:19,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1778 transitions. [2019-01-15 14:17:19,449 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1778 transitions. Word has length 40 [2019-01-15 14:17:19,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-15 14:17:19,449 INFO L480 AbstractCegarLoop]: Abstraction has 1254 states and 1778 transitions. [2019-01-15 14:17:19,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-15 14:17:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1778 transitions. [2019-01-15 14:17:19,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-15 14:17:19,454 INFO L394 BasicCegarLoop]: Found error trace [2019-01-15 14:17:19,454 INFO L402 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] [2019-01-15 14:17:19,454 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-15 14:17:19,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-15 14:17:19,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1128667714, now seen corresponding path program 1 times [2019-01-15 14:17:19,458 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-15 14:17:19,458 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-15 14:17:19,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-15 14:17:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-15 14:17:19,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-15 14:17:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-15 14:17:20,054 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-15 14:17:20,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-15 14:17:20,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-15 14:17:20,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-15 14:17:20,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-15 14:17:20,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:17:20,061 INFO L87 Difference]: Start difference. First operand 1254 states and 1778 transitions. Second operand 3 states. [2019-01-15 14:17:20,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-15 14:17:20,417 INFO L93 Difference]: Finished difference Result 1254 states and 1778 transitions. [2019-01-15 14:17:20,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-15 14:17:20,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-01-15 14:17:20,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-15 14:17:20,429 INFO L225 Difference]: With dead ends: 1254 [2019-01-15 14:17:20,429 INFO L226 Difference]: Without dead ends: 1250 [2019-01-15 14:17:20,430 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:17:20,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2019-01-15 14:17:20,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2019-01-15 14:17:20,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2019-01-15 14:17:20,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1772 transitions. [2019-01-15 14:17:20,502 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1772 transitions. Word has length 47 [2019-01-15 14:17:20,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-15 14:17:20,503 INFO L480 AbstractCegarLoop]: Abstraction has 1250 states and 1772 transitions. [2019-01-15 14:17:20,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-15 14:17:20,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1772 transitions. [2019-01-15 14:17:20,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-15 14:17:20,509 INFO L394 BasicCegarLoop]: Found error trace [2019-01-15 14:17:20,510 INFO L402 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] [2019-01-15 14:17:20,510 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-15 14:17:20,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-15 14:17:20,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1932800416, now seen corresponding path program 1 times [2019-01-15 14:17:20,512 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-15 14:17:20,512 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-15 14:17:20,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-15 14:17:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-15 14:17:21,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-15 14:17:21,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-15 14:17:21,263 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-15 14:17:21,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-15 14:17:21,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-15 14:17:21,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-15 14:17:21,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-15 14:17:21,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:17:21,269 INFO L87 Difference]: Start difference. First operand 1250 states and 1772 transitions. Second operand 3 states. [2019-01-15 14:17:21,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-15 14:17:21,774 INFO L93 Difference]: Finished difference Result 3616 states and 5140 transitions. [2019-01-15 14:17:21,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-15 14:17:21,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-01-15 14:17:21,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-15 14:17:21,795 INFO L225 Difference]: With dead ends: 3616 [2019-01-15 14:17:21,795 INFO L226 Difference]: Without dead ends: 2381 [2019-01-15 14:17:21,799 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-15 14:17:21,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2019-01-15 14:17:21,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1254. [2019-01-15 14:17:21,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2019-01-15 14:17:21,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1772 transitions. [2019-01-15 14:17:21,899 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1772 transitions. Word has length 58 [2019-01-15 14:17:21,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-15 14:17:21,902 INFO L480 AbstractCegarLoop]: Abstraction has 1254 states and 1772 transitions. [2019-01-15 14:17:21,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-15 14:17:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1772 transitions. [2019-01-15 14:17:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-15 14:17:21,905 INFO L394 BasicCegarLoop]: Found error trace [2019-01-15 14:17:21,906 INFO L402 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] [2019-01-15 14:17:21,907 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-15 14:17:21,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-15 14:17:21,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1969139870, now seen corresponding path program 1 times [2019-01-15 14:17:21,909 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-15 14:17:21,909 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-15 14:17:21,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-15 14:20:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-15 14:24:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-15 14:24:11,128 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-15 14:24:11,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.01 02:24:11 BoogieIcfgContainer [2019-01-15 14:24:11,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-15 14:24:11,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-15 14:24:11,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-15 14:24:11,567 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-15 14:24:11,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.01 02:17:15" (3/4) ... [2019-01-15 14:24:11,573 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-15 14:24:11,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-15 14:24:11,574 INFO L168 Benchmark]: Toolchain (without parser) took 442909.22 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 336.1 MB). Free memory was 941.8 MB in the beginning and 1.2 GB in the end (delta: -280.0 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2019-01-15 14:24:11,576 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-15 14:24:11,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2607.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 941.8 MB in the beginning and 1.0 GB in the end (delta: -75.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. [2019-01-15 14:24:11,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 269.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-01-15 14:24:11,578 INFO L168 Benchmark]: Boogie Preprocessor took 244.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 982.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-01-15 14:24:11,579 INFO L168 Benchmark]: RCFGBuilder took 24148.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 982.9 MB in the beginning and 864.8 MB in the end (delta: 118.1 MB). Peak memory consumption was 228.7 MB. Max. memory is 11.5 GB. [2019-01-15 14:24:11,580 INFO L168 Benchmark]: TraceAbstraction took 415627.57 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 72.4 MB). Free memory was 864.8 MB in the beginning and 1.2 GB in the end (delta: -357.0 MB). Peak memory consumption was 154.9 MB. Max. memory is 11.5 GB. [2019-01-15 14:24:11,581 INFO L168 Benchmark]: Witness Printer took 5.96 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-15 14:24:11,586 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2607.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 941.8 MB in the beginning and 1.0 GB in the end (delta: -75.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 269.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 244.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 982.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 24148.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 982.9 MB in the beginning and 864.8 MB in the end (delta: 118.1 MB). Peak memory consumption was 228.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 415627.57 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 72.4 MB). Free memory was 864.8 MB in the beginning and 1.2 GB in the end (delta: -357.0 MB). Peak memory consumption was 154.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.96 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3980]: 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 5876. Possible FailurePath: [L4003] int ldv_irq_1_2 = 0; [L4004] int LDV_IN_INTERRUPT = 1; [L4005] int ldv_irq_1_3 = 0; [L4006] void *ldv_irq_data_1_1 ; [L4007] int ldv_irq_1_1 = 0; [L4008] int ldv_irq_1_0 = 0; [L4009] struct urb *max3421_hcd_desc_group0 ; [L4010] int ldv_irq_line_1_3 ; [L4011] void *ldv_irq_data_1_0 ; [L4012] int ldv_state_variable_0 ; [L4013] struct usb_hcd *max3421_hcd_desc_group1 ; [L4014] int ldv_state_variable_3 ; [L4015] int ldv_irq_line_1_0 ; [L4016] int ldv_state_variable_2 ; [L4017] void *ldv_irq_data_1_3 ; [L4018] struct spi_device *max3421_driver_group0 ; [L4019] int ref_cnt ; [L4020] int ldv_irq_line_1_1 ; [L4021] void *ldv_irq_data_1_2 ; [L4022] int ldv_state_variable_1 ; [L4023] int ldv_irq_line_1_2 ; [L4201] static struct max3421_hcd *max3421_hcd_list ; [L4202-L4206] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5875-L5881] 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}; [L6020-L6022] 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}}; [L6038] int ldv_retval_0 ; [L6039] int ldv_retval_1 ; [L6042] int ldv_retval_2 ; [L6544] int ldv_spin = 0; VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6187] char *ldvarg7 ; [L6188] void *tmp ; [L6189] u16 ldvarg3 ; [L6190] u16 tmp___0 ; [L6191] u16 ldvarg0 ; [L6192] u16 tmp___1 ; [L6193] gfp_t ldvarg5 ; [L6194] gfp_t ldvarg6 ; [L6195] struct usb_host_endpoint *ldvarg8 ; [L6196] void *tmp___2 ; [L6197] u16 ldvarg1 ; [L6198] u16 tmp___3 ; [L6199] char *ldvarg4 ; [L6200] void *tmp___4 ; [L6201] int ldvarg9 ; [L6202] int tmp___5 ; [L6203] u16 ldvarg2 ; [L6204] u16 tmp___6 ; [L6205] int tmp___7 ; [L6206] int tmp___8 ; [L6207] int tmp___9 ; [L6208] int tmp___10 ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6210] tmp = ldv_zalloc(1UL) [L6211] ldvarg7 = (char *)tmp [L6212] tmp___0 = __VERIFIER_nondet_u16() [L6213] ldvarg3 = tmp___0 [L6214] tmp___1 = __VERIFIER_nondet_u16() [L6215] ldvarg0 = tmp___1 [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6216] tmp___2 = ldv_zalloc(72UL) [L6217] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6218] tmp___3 = __VERIFIER_nondet_u16() [L6219] ldvarg1 = tmp___3 [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6220] tmp___4 = ldv_zalloc(1UL) [L6221] ldvarg4 = (char *)tmp___4 [L6222] tmp___5 = __VERIFIER_nondet_int() [L6223] ldvarg9 = tmp___5 [L6224] tmp___6 = __VERIFIER_nondet_u16() [L6225] ldvarg2 = tmp___6 VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6227] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6228] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6229] ldv_state_variable_1 = 1 [L6230] ref_cnt = 0 [L6231] ldv_state_variable_0 = 1 [L6232] ldv_state_variable_3 = 0 [L6233] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6235] tmp___7 = __VERIFIER_nondet_int() [L6237] case 0: [L6243] case 1: VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6244] COND TRUE ldv_state_variable_0 != 0 [L6245] tmp___8 = __VERIFIER_nondet_int() [L6247] case 0: [L6255] case 1: VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6256] COND TRUE ldv_state_variable_0 == 1 [L6025] int tmp ; [L6693] return __VERIFIER_nondet_int(); [L6027] tmp = spi_register_driver(& max3421_driver) [L6028] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6257] ldv_retval_0 = max3421_driver_init() [L6258] COND TRUE ldv_retval_0 == 0 [L6259] ldv_state_variable_0 = 3 [L6260] ldv_state_variable_2 = 1 [L6152] void *tmp ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6154] tmp = ldv_zalloc(1496UL) [L6155] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6262] ldv_state_variable_3 = 1 [L6115] void *tmp ; [L6116] void *tmp___0 ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6118] tmp = ldv_zalloc(192UL) [L6119] max3421_hcd_desc_group0 = (struct urb *)tmp [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6120] tmp___0 = ldv_zalloc(968UL) [L6121] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6266] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6235] tmp___7 = __VERIFIER_nondet_int() [L6237] case 0: [L6243] case 1: [L6281] case 2: VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6282] COND TRUE ldv_state_variable_3 != 0 [L6283] tmp___9 = __VERIFIER_nondet_int() [L6285] case 0: [L6296] case 1: [L6308] case 2: [L6320] case 3: [L6332] case 4: [L6344] case 5: [L6356] case 6: [L6368] case 7: [L6380] case 8: [L6388] case 9: [L6400] case 10: VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6401] COND TRUE ldv_state_variable_3 == 1 [L5528] struct spi_device *spi ; [L5529] struct spi_device *tmp ; [L5530] struct max3421_hcd *max3421_hcd ; [L5531] struct max3421_hcd *tmp___0 ; [L5532] struct max3421_ep *max3421_ep ; [L5533] unsigned long flags ; [L5534] int retval ; [L5535] void *tmp___1 ; [L5537] EXPR hcd->self.controller [L4055] struct device const *__mptr ; [L4056] struct spi_device *tmp ; VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L4058] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4059] __mptr = (struct device const *)dev [L4060] tmp = (struct spi_device *)__mptr VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L4064] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L5537] tmp = to_spi_device(hcd->self.controller) [L5538] spi = tmp [L4216] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L5539] tmp___0 = hcd_to_max3421(hcd) [L5540] max3421_hcd = tmp___0 [L5541] urb->pipe [L5542] case 1U: VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L5543] case 0U: VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L5550] default: VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L6581] ldv_spin = 1 VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L5555] EXPR urb->ep [L5555] EXPR (urb->ep)->hcpriv [L5555] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5556] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L6548] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] [L3980] __VERIFIER_error() VAL [__this_module={0:0}, hrsl_to_error={503313774:0}, 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={532665669:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={536863477:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={503313772:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 557 locations, 4 error locations. UNSAFE Result, 415.5s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3857 SDtfs, 2070 SDslu, 2393 SDs, 0 SdLazy, 119 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1254occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 1140 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 196.8s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 12536 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2736 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...