./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 2e94e6aa 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 0.1.24-2e94e6a [2019-01-01 04:58:59,007 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 04:58:59,012 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 04:58:59,030 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 04:58:59,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 04:58:59,034 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 04:58:59,035 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 04:58:59,038 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 04:58:59,040 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 04:58:59,044 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 04:58:59,048 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 04:58:59,048 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 04:58:59,049 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 04:58:59,052 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 04:58:59,054 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 04:58:59,054 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 04:58:59,056 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 04:58:59,059 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 04:58:59,063 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 04:58:59,065 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 04:58:59,066 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 04:58:59,068 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 04:58:59,073 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 04:58:59,073 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 04:58:59,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 04:58:59,074 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 04:58:59,078 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 04:58:59,078 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 04:58:59,079 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 04:58:59,082 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 04:58:59,082 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 04:58:59,082 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 04:58:59,084 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 04:58:59,084 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 04:58:59,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 04:58:59,086 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 04:58:59,086 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-01-01 04:58:59,101 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 04:58:59,102 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 04:58:59,103 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 04:58:59,104 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 04:58:59,104 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 04:58:59,104 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 04:58:59,104 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 04:58:59,104 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 04:58:59,105 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 04:58:59,105 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 04:58:59,105 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 04:58:59,105 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 04:58:59,105 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 04:58:59,105 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 04:58:59,107 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 04:58:59,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 04:58:59,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 04:58:59,107 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 04:58:59,108 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 04:58:59,108 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 04:58:59,108 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 04:58:59,108 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 04:58:59,108 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 04:58:59,109 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 04:58:59,110 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 04:58:59,110 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-01 04:58:59,110 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 [2019-01-01 04:58:59,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 04:58:59,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 04:58:59,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 04:58:59,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 04:58:59,166 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 04:58:59,167 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i [2019-01-01 04:58:59,239 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7c3112b/6847aa2c9122433b91ed35edb527a1fd/FLAGaedded3d8 [2019-01-01 04:59:00,067 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 04:59:00,070 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point_false-unreach-call.cil.out.i [2019-01-01 04:59:00,126 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7c3112b/6847aa2c9122433b91ed35edb527a1fd/FLAGaedded3d8 [2019-01-01 04:59:00,555 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7c3112b/6847aa2c9122433b91ed35edb527a1fd [2019-01-01 04:59:00,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 04:59:00,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 04:59:00,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 04:59:00,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 04:59:00,566 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 04:59:00,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 04:59:00" (1/1) ... [2019-01-01 04:59:00,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b93b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:00, skipping insertion in model container [2019-01-01 04:59:00,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 04:59:00" (1/1) ... [2019-01-01 04:59:00,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 04:59:00,710 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 04:59:01,258 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-01-01 04:59:01,259 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] [2019-01-01 04:59:02,736 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 04:59:02,774 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 04:59:02,879 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-01-01 04:59:02,879 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] [2019-01-01 04:59:03,076 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 04:59:03,275 INFO L195 MainTranslator]: Completed translation [2019-01-01 04:59:03,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03 WrapperNode [2019-01-01 04:59:03,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 04:59:03,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 04:59:03,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 04:59:03,278 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 04:59:03,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03" (1/1) ... [2019-01-01 04:59:03,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03" (1/1) ... [2019-01-01 04:59:03,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 04:59:03,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 04:59:03,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 04:59:03,562 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 04:59:03,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03" (1/1) ... [2019-01-01 04:59:03,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03" (1/1) ... [2019-01-01 04:59:03,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03" (1/1) ... [2019-01-01 04:59:03,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03" (1/1) ... [2019-01-01 04:59:03,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03" (1/1) ... [2019-01-01 04:59:03,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03" (1/1) ... [2019-01-01 04:59:03,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03" (1/1) ... [2019-01-01 04:59:03,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 04:59:03,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 04:59:03,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 04:59:03,762 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 04:59:03,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03" (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 [2019-01-01 04:59:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 04:59:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 04:59:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-01-01 04:59:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 04:59:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 04:59:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 04:59:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 04:59:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 04:59:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 04:59:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 04:59:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 04:59:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 04:59:11,204 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 04:59:11,205 INFO L280 CfgBuilder]: Removed 517 assue(true) statements. [2019-01-01 04:59:11,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 04:59:11 BoogieIcfgContainer [2019-01-01 04:59:11,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 04:59:11,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 04:59:11,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 04:59:11,211 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 04:59:11,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 04:59:00" (1/3) ... [2019-01-01 04:59:11,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a0ed17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 04:59:11, skipping insertion in model container [2019-01-01 04:59:11,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:03" (2/3) ... [2019-01-01 04:59:11,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a0ed17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 04:59:11, skipping insertion in model container [2019-01-01 04:59:11,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 04:59:11" (3/3) ... [2019-01-01 04:59:11,217 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 [2019-01-01 04:59:11,226 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 04:59:11,234 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-01 04:59:11,255 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-01 04:59:11,310 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 04:59:11,311 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 04:59:11,311 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 04:59:11,311 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 04:59:11,311 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 04:59:11,311 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 04:59:11,312 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 04:59:11,312 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 04:59:11,312 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 04:59:11,343 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states. [2019-01-01 04:59:11,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 04:59:11,357 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 04:59:11,358 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] [2019-01-01 04:59:11,360 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 04:59:11,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 04:59:11,365 INFO L82 PathProgramCache]: Analyzing trace with hash -198759471, now seen corresponding path program 1 times [2019-01-01 04:59:11,367 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 04:59:11,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 04:59:11,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 04:59:11,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 04:59:11,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 04:59:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 04:59:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 04:59:12,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 04:59:12,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 04:59:12,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 04:59:12,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 04:59:12,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 04:59:12,045 INFO L87 Difference]: Start difference. First operand 551 states. Second operand 3 states. [2019-01-01 04:59:12,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 04:59:12,453 INFO L93 Difference]: Finished difference Result 1531 states and 2186 transitions. [2019-01-01 04:59:12,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 04:59:12,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-01-01 04:59:12,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 04:59:12,497 INFO L225 Difference]: With dead ends: 1531 [2019-01-01 04:59:12,497 INFO L226 Difference]: Without dead ends: 963 [2019-01-01 04:59:12,510 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 [2019-01-01 04:59:12,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-01-01 04:59:12,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 959. [2019-01-01 04:59:12,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2019-01-01 04:59:12,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1358 transitions. [2019-01-01 04:59:12,634 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1358 transitions. Word has length 29 [2019-01-01 04:59:12,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 04:59:12,635 INFO L480 AbstractCegarLoop]: Abstraction has 959 states and 1358 transitions. [2019-01-01 04:59:12,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 04:59:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1358 transitions. [2019-01-01 04:59:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-01 04:59:12,640 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 04:59:12,640 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] [2019-01-01 04:59:12,641 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 04:59:12,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 04:59:12,641 INFO L82 PathProgramCache]: Analyzing trace with hash 359604912, now seen corresponding path program 1 times [2019-01-01 04:59:12,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 04:59:12,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 04:59:12,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 04:59:12,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 04:59:12,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 04:59:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 04:59:12,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 04:59:12,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 04:59:12,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 04:59:12,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 04:59:12,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 04:59:12,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 04:59:12,877 INFO L87 Difference]: Start difference. First operand 959 states and 1358 transitions. Second operand 3 states. [2019-01-01 04:59:13,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 04:59:13,470 INFO L93 Difference]: Finished difference Result 2203 states and 3118 transitions. [2019-01-01 04:59:13,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 04:59:13,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-01-01 04:59:13,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 04:59:13,479 INFO L225 Difference]: With dead ends: 2203 [2019-01-01 04:59:13,480 INFO L226 Difference]: Without dead ends: 1256 [2019-01-01 04:59:13,483 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 [2019-01-01 04:59:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2019-01-01 04:59:13,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1248. [2019-01-01 04:59:13,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2019-01-01 04:59:13,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1766 transitions. [2019-01-01 04:59:13,541 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1766 transitions. Word has length 40 [2019-01-01 04:59:13,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 04:59:13,541 INFO L480 AbstractCegarLoop]: Abstraction has 1248 states and 1766 transitions. [2019-01-01 04:59:13,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 04:59:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1766 transitions. [2019-01-01 04:59:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-01 04:59:13,546 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 04:59:13,546 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] [2019-01-01 04:59:13,547 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 04:59:13,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 04:59:13,547 INFO L82 PathProgramCache]: Analyzing trace with hash -2073477565, now seen corresponding path program 1 times [2019-01-01 04:59:13,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 04:59:13,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 04:59:13,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 04:59:13,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 04:59:13,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 04:59:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 04:59:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-01 04:59:13,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 04:59:13,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 04:59:13,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 04:59:13,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 04:59:13,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 04:59:13,794 INFO L87 Difference]: Start difference. First operand 1248 states and 1766 transitions. Second operand 3 states. [2019-01-01 04:59:14,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 04:59:14,112 INFO L93 Difference]: Finished difference Result 1248 states and 1766 transitions. [2019-01-01 04:59:14,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 04:59:14,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-01-01 04:59:14,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 04:59:14,122 INFO L225 Difference]: With dead ends: 1248 [2019-01-01 04:59:14,122 INFO L226 Difference]: Without dead ends: 1244 [2019-01-01 04:59:14,123 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 [2019-01-01 04:59:14,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2019-01-01 04:59:14,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1244. [2019-01-01 04:59:14,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1244 states. [2019-01-01 04:59:14,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1760 transitions. [2019-01-01 04:59:14,262 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1760 transitions. Word has length 47 [2019-01-01 04:59:14,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 04:59:14,263 INFO L480 AbstractCegarLoop]: Abstraction has 1244 states and 1760 transitions. [2019-01-01 04:59:14,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 04:59:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1760 transitions. [2019-01-01 04:59:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-01 04:59:14,267 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 04:59:14,268 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] [2019-01-01 04:59:14,268 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 04:59:14,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 04:59:14,270 INFO L82 PathProgramCache]: Analyzing trace with hash 313095422, now seen corresponding path program 1 times [2019-01-01 04:59:14,270 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 04:59:14,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 04:59:14,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 04:59:14,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 04:59:14,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 04:59:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 04:59:14,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-01 04:59:14,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 04:59:14,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 04:59:14,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 04:59:14,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 04:59:14,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 04:59:14,461 INFO L87 Difference]: Start difference. First operand 1244 states and 1760 transitions. Second operand 3 states. [2019-01-01 04:59:14,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 04:59:14,768 INFO L93 Difference]: Finished difference Result 3604 states and 5116 transitions. [2019-01-01 04:59:14,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 04:59:14,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-01-01 04:59:14,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 04:59:14,783 INFO L225 Difference]: With dead ends: 3604 [2019-01-01 04:59:14,783 INFO L226 Difference]: Without dead ends: 2372 [2019-01-01 04:59:14,787 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 [2019-01-01 04:59:14,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2019-01-01 04:59:14,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 1248. [2019-01-01 04:59:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2019-01-01 04:59:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1760 transitions. [2019-01-01 04:59:14,869 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1760 transitions. Word has length 58 [2019-01-01 04:59:14,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 04:59:14,870 INFO L480 AbstractCegarLoop]: Abstraction has 1248 states and 1760 transitions. [2019-01-01 04:59:14,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 04:59:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1760 transitions. [2019-01-01 04:59:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-01 04:59:14,876 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 04:59:14,876 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] [2019-01-01 04:59:14,877 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 04:59:14,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 04:59:14,877 INFO L82 PathProgramCache]: Analyzing trace with hash -79931588, now seen corresponding path program 1 times [2019-01-01 04:59:14,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 04:59:14,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 04:59:14,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 04:59:14,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 04:59:14,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 04:59:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 04:59:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 04:59:22,930 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 04:59:23,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 04:59:23 BoogieIcfgContainer [2019-01-01 04:59:23,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 04:59:23,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 04:59:23,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 04:59:23,351 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 04:59:23,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 04:59:11" (3/4) ... [2019-01-01 04:59:23,358 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 04:59:23,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 04:59:23,360 INFO L168 Benchmark]: Toolchain (without parser) took 22800.40 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 837.3 MB). Free memory was 940.5 MB in the beginning and 1.7 GB in the end (delta: -716.6 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. [2019-01-01 04:59:23,362 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-01-01 04:59:23,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2715.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 940.5 MB in the beginning and 1.0 GB in the end (delta: -75.9 MB). Peak memory consumption was 90.6 MB. Max. memory is 11.5 GB. [2019-01-01 04:59:23,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 283.06 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-01-01 04:59:23,369 INFO L168 Benchmark]: Boogie Preprocessor took 200.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 987.6 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-01-01 04:59:23,370 INFO L168 Benchmark]: RCFGBuilder took 7443.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 126.4 MB). Free memory was 987.6 MB in the beginning and 946.8 MB in the end (delta: 40.8 MB). Peak memory consumption was 232.6 MB. Max. memory is 11.5 GB. [2019-01-01 04:59:23,372 INFO L168 Benchmark]: TraceAbstraction took 12143.68 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 564.7 MB). Free memory was 946.8 MB in the beginning and 1.7 GB in the end (delta: -710.2 MB). Peak memory consumption was 403.1 MB. Max. memory is 11.5 GB. [2019-01-01 04:59:23,374 INFO L168 Benchmark]: Witness Printer took 7.88 ms. Allocated memory is still 1.9 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 04:59:23,381 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 2715.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 940.5 MB in the beginning and 1.0 GB in the end (delta: -75.9 MB). Peak memory consumption was 90.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 283.06 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 200.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 987.6 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7443.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 126.4 MB). Free memory was 987.6 MB in the beginning and 946.8 MB in the end (delta: 40.8 MB). Peak memory consumption was 232.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12143.68 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 564.7 MB). Free memory was 946.8 MB in the beginning and 1.7 GB in the end (delta: -710.2 MB). Peak memory consumption was 403.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.88 ms. Allocated memory is still 1.9 GB. Free memory is still 1.7 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, 551 locations, 4 error locations. UNSAFE Result, 12.0s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3803 SDtfs, 2038 SDslu, 2369 SDs, 0 SdLazy, 119 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s 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=1248occurred 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, 1136 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 4.3s 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 0.1.24-2e94e6a [2019-01-01 04:59:25,915 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 04:59:25,917 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 04:59:25,930 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 04:59:25,931 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 04:59:25,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 04:59:25,933 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 04:59:25,935 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 04:59:25,937 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 04:59:25,938 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 04:59:25,939 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 04:59:25,939 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 04:59:25,941 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 04:59:25,942 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 04:59:25,943 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 04:59:25,944 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 04:59:25,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 04:59:25,947 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 04:59:25,950 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 04:59:25,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 04:59:25,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 04:59:25,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 04:59:25,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 04:59:25,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 04:59:25,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 04:59:25,959 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 04:59:25,960 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 04:59:25,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 04:59:25,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 04:59:25,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 04:59:25,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 04:59:25,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 04:59:25,964 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 04:59:25,965 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 04:59:25,966 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 04:59:25,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 04:59:25,967 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-01-01 04:59:25,983 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 04:59:25,985 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 04:59:25,986 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 04:59:25,986 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 04:59:25,986 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 04:59:25,987 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 04:59:25,987 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 04:59:25,987 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 04:59:25,987 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 04:59:25,987 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 04:59:25,987 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-01 04:59:25,989 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-01 04:59:25,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 04:59:25,989 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 04:59:25,989 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 04:59:25,990 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 04:59:25,990 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 04:59:25,990 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 04:59:25,990 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 04:59:25,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 04:59:25,990 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 04:59:25,991 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 04:59:25,991 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 04:59:25,991 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-01 04:59:25,991 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 04:59:25,991 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-01 04:59:25,991 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-01 04:59:25,993 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-01 04:59:25,994 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 [2019-01-01 04:59:26,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 04:59:26,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 04:59:26,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 04:59:26,077 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 04:59:26,078 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 04:59:26,078 INFO L418 ainManager$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 [2019-01-01 04:59:26,155 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b083718b4/917b4f6b8f544bbeb14135ca71302036/FLAGa6384424e [2019-01-01 04:59:26,953 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 04:59:26,954 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 [2019-01-01 04:59:27,004 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b083718b4/917b4f6b8f544bbeb14135ca71302036/FLAGa6384424e [2019-01-01 04:59:27,490 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b083718b4/917b4f6b8f544bbeb14135ca71302036 [2019-01-01 04:59:27,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 04:59:27,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 04:59:27,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 04:59:27,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 04:59:27,504 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 04:59:27,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 04:59:27" (1/1) ... [2019-01-01 04:59:27,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc319d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:27, skipping insertion in model container [2019-01-01 04:59:27,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 04:59:27" (1/1) ... [2019-01-01 04:59:27,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 04:59:27,658 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 04:59:28,219 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-01-01 04:59:28,220 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] [2019-01-01 04:59:29,523 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 04:59:29,558 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 04:59:29,644 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-01-01 04:59:29,645 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] [2019-01-01 04:59:29,804 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 04:59:30,028 INFO L195 MainTranslator]: Completed translation [2019-01-01 04:59:30,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30 WrapperNode [2019-01-01 04:59:30,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 04:59:30,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 04:59:30,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 04:59:30,031 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 04:59:30,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30" (1/1) ... [2019-01-01 04:59:30,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30" (1/1) ... [2019-01-01 04:59:30,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 04:59:30,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 04:59:30,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 04:59:30,308 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 04:59:30,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30" (1/1) ... [2019-01-01 04:59:30,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30" (1/1) ... [2019-01-01 04:59:30,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30" (1/1) ... [2019-01-01 04:59:30,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30" (1/1) ... [2019-01-01 04:59:30,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30" (1/1) ... [2019-01-01 04:59:30,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30" (1/1) ... [2019-01-01 04:59:30,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30" (1/1) ... [2019-01-01 04:59:30,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 04:59:30,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 04:59:30,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 04:59:30,570 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 04:59:30,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30" (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 [2019-01-01 04:59:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-01-01 04:59:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-01-01 04:59:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-01 04:59:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-01-01 04:59:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-01-01 04:59:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 04:59:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 04:59:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 04:59:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 04:59:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-01-01 04:59:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-01-01 04:59:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 04:59:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-01 04:59:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 04:59:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-01-01 04:59:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-01-01 04:59:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 04:59:30,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 04:59:56,015 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 04:59:56,015 INFO L280 CfgBuilder]: Removed 517 assue(true) statements. [2019-01-01 04:59:56,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 04:59:56 BoogieIcfgContainer [2019-01-01 04:59:56,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 04:59:56,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 04:59:56,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 04:59:56,021 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 04:59:56,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 04:59:27" (1/3) ... [2019-01-01 04:59:56,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e5eb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 04:59:56, skipping insertion in model container [2019-01-01 04:59:56,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 04:59:30" (2/3) ... [2019-01-01 04:59:56,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e5eb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 04:59:56, skipping insertion in model container [2019-01-01 04:59:56,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 04:59:56" (3/3) ... [2019-01-01 04:59:56,025 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 [2019-01-01 04:59:56,036 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 04:59:56,046 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-01 04:59:56,064 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-01 04:59:56,105 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 04:59:56,106 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 04:59:56,106 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 04:59:56,106 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 04:59:56,106 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 04:59:56,106 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 04:59:56,106 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 04:59:56,106 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 04:59:56,107 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 04:59:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states. [2019-01-01 04:59:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 04:59:56,148 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 04:59:56,149 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] [2019-01-01 04:59:56,152 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 04:59:56,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 04:59:56,159 INFO L82 PathProgramCache]: Analyzing trace with hash -198759471, now seen corresponding path program 1 times [2019-01-01 04:59:56,166 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 04:59:56,166 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 [2019-01-01 04:59:56,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 04:59:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 04:59:56,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 04:59:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 04:59:56,892 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 04:59:56,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 04:59:56,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 04:59:56,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 04:59:56,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 04:59:56,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 04:59:56,925 INFO L87 Difference]: Start difference. First operand 551 states. Second operand 3 states. [2019-01-01 04:59:57,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 04:59:57,796 INFO L93 Difference]: Finished difference Result 1531 states and 2186 transitions. [2019-01-01 04:59:57,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 04:59:57,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-01-01 04:59:57,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 04:59:57,837 INFO L225 Difference]: With dead ends: 1531 [2019-01-01 04:59:57,837 INFO L226 Difference]: Without dead ends: 963 [2019-01-01 04:59:57,845 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 [2019-01-01 04:59:57,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-01-01 04:59:58,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 959. [2019-01-01 04:59:58,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2019-01-01 04:59:58,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1358 transitions. [2019-01-01 04:59:58,027 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1358 transitions. Word has length 29 [2019-01-01 04:59:58,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 04:59:58,027 INFO L480 AbstractCegarLoop]: Abstraction has 959 states and 1358 transitions. [2019-01-01 04:59:58,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 04:59:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1358 transitions. [2019-01-01 04:59:58,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-01 04:59:58,039 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 04:59:58,040 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] [2019-01-01 04:59:58,041 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 04:59:58,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 04:59:58,042 INFO L82 PathProgramCache]: Analyzing trace with hash 359604912, now seen corresponding path program 1 times [2019-01-01 04:59:58,043 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 04:59:58,043 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 [2019-01-01 04:59:58,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 04:59:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 04:59:58,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 04:59:58,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 04:59:58,713 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 04:59:58,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 04:59:58,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 04:59:58,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 04:59:58,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 04:59:58,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 04:59:58,726 INFO L87 Difference]: Start difference. First operand 959 states and 1358 transitions. Second operand 3 states. [2019-01-01 04:59:59,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 04:59:59,978 INFO L93 Difference]: Finished difference Result 2203 states and 3118 transitions. [2019-01-01 04:59:59,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 04:59:59,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-01-01 04:59:59,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 04:59:59,994 INFO L225 Difference]: With dead ends: 2203 [2019-01-01 04:59:59,994 INFO L226 Difference]: Without dead ends: 1256 [2019-01-01 04:59:59,997 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 [2019-01-01 05:00:00,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2019-01-01 05:00:00,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1248. [2019-01-01 05:00:00,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2019-01-01 05:00:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1766 transitions. [2019-01-01 05:00:00,048 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1766 transitions. Word has length 40 [2019-01-01 05:00:00,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 05:00:00,049 INFO L480 AbstractCegarLoop]: Abstraction has 1248 states and 1766 transitions. [2019-01-01 05:00:00,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 05:00:00,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1766 transitions. [2019-01-01 05:00:00,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-01 05:00:00,053 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 05:00:00,053 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] [2019-01-01 05:00:00,053 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 05:00:00,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 05:00:00,054 INFO L82 PathProgramCache]: Analyzing trace with hash -2073477565, now seen corresponding path program 1 times [2019-01-01 05:00:00,057 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 05:00:00,057 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 [2019-01-01 05:00:00,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 05:00:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 05:00:00,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 05:00:00,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-01 05:00:00,606 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 05:00:00,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 05:00:00,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 05:00:00,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 05:00:00,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 05:00:00,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 05:00:00,611 INFO L87 Difference]: Start difference. First operand 1248 states and 1766 transitions. Second operand 3 states. [2019-01-01 05:00:00,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 05:00:00,978 INFO L93 Difference]: Finished difference Result 1248 states and 1766 transitions. [2019-01-01 05:00:00,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 05:00:00,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-01-01 05:00:00,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 05:00:00,986 INFO L225 Difference]: With dead ends: 1248 [2019-01-01 05:00:00,986 INFO L226 Difference]: Without dead ends: 1244 [2019-01-01 05:00:00,987 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 [2019-01-01 05:00:00,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2019-01-01 05:00:01,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1244. [2019-01-01 05:00:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1244 states. [2019-01-01 05:00:01,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1760 transitions. [2019-01-01 05:00:01,028 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1760 transitions. Word has length 47 [2019-01-01 05:00:01,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 05:00:01,029 INFO L480 AbstractCegarLoop]: Abstraction has 1244 states and 1760 transitions. [2019-01-01 05:00:01,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 05:00:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1760 transitions. [2019-01-01 05:00:01,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-01 05:00:01,033 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 05:00:01,033 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] [2019-01-01 05:00:01,033 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 05:00:01,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 05:00:01,034 INFO L82 PathProgramCache]: Analyzing trace with hash 313095422, now seen corresponding path program 1 times [2019-01-01 05:00:01,035 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 05:00:01,036 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 [2019-01-01 05:00:01,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 05:00:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 05:00:01,581 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 05:00:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-01 05:00:01,651 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 05:00:01,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 05:00:01,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 05:00:01,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 05:00:01,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 05:00:01,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 05:00:01,657 INFO L87 Difference]: Start difference. First operand 1244 states and 1760 transitions. Second operand 3 states. [2019-01-01 05:00:02,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 05:00:02,150 INFO L93 Difference]: Finished difference Result 3604 states and 5116 transitions. [2019-01-01 05:00:02,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 05:00:02,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-01-01 05:00:02,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 05:00:02,166 INFO L225 Difference]: With dead ends: 3604 [2019-01-01 05:00:02,166 INFO L226 Difference]: Without dead ends: 2372 [2019-01-01 05:00:02,169 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 [2019-01-01 05:00:02,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2019-01-01 05:00:02,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 1248. [2019-01-01 05:00:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2019-01-01 05:00:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1760 transitions. [2019-01-01 05:00:02,260 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1760 transitions. Word has length 58 [2019-01-01 05:00:02,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 05:00:02,263 INFO L480 AbstractCegarLoop]: Abstraction has 1248 states and 1760 transitions. [2019-01-01 05:00:02,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 05:00:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1760 transitions. [2019-01-01 05:00:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-01 05:00:02,267 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 05:00:02,267 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] [2019-01-01 05:00:02,267 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 05:00:02,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 05:00:02,268 INFO L82 PathProgramCache]: Analyzing trace with hash -79931588, now seen corresponding path program 1 times [2019-01-01 05:00:02,270 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 05:00:02,271 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 [2019-01-01 05:00:02,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 05:03:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 05:07:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 05:07:08,839 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 05:07:09,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 05:07:09 BoogieIcfgContainer [2019-01-01 05:07:09,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 05:07:09,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 05:07:09,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 05:07:09,299 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 05:07:09,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 04:59:56" (3/4) ... [2019-01-01 05:07:09,306 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 05:07:09,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 05:07:09,309 INFO L168 Benchmark]: Toolchain (without parser) took 461814.84 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 929.9 MB in the beginning and 782.2 MB in the end (delta: 147.7 MB). Peak memory consumption was 465.5 MB. Max. memory is 11.5 GB. [2019-01-01 05:07:09,313 INFO L168 Benchmark]: CDTParser took 0.18 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. [2019-01-01 05:07:09,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2533.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 929.9 MB in the beginning and 1.0 GB in the end (delta: -89.3 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. [2019-01-01 05:07:09,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 276.27 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2019-01-01 05:07:09,317 INFO L168 Benchmark]: Boogie Preprocessor took 262.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 986.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2019-01-01 05:07:09,319 INFO L168 Benchmark]: RCFGBuilder took 25446.50 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.8 MB). Free memory was 986.3 MB in the beginning and 904.2 MB in the end (delta: 82.1 MB). Peak memory consumption was 216.1 MB. Max. memory is 11.5 GB. [2019-01-01 05:07:09,323 INFO L168 Benchmark]: TraceAbstraction took 433281.19 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 50.9 MB). Free memory was 904.2 MB in the beginning and 782.2 MB in the end (delta: 122.0 MB). Peak memory consumption was 172.9 MB. Max. memory is 11.5 GB. [2019-01-01 05:07:09,325 INFO L168 Benchmark]: Witness Printer took 9.39 ms. Allocated memory is still 1.3 GB. Free memory is still 782.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 05:07:09,333 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 2533.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 929.9 MB in the beginning and 1.0 GB in the end (delta: -89.3 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 276.27 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 262.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 986.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 25446.50 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.8 MB). Free memory was 986.3 MB in the beginning and 904.2 MB in the end (delta: 82.1 MB). Peak memory consumption was 216.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 433281.19 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 50.9 MB). Free memory was 904.2 MB in the beginning and 782.2 MB in the end (delta: 122.0 MB). Peak memory consumption was 172.9 MB. Max. memory is 11.5 GB. * Witness Printer took 9.39 ms. Allocated memory is still 1.3 GB. Free memory is still 782.2 MB. 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, ref_cnt=0] [L6235] tmp___7 = __VERIFIER_nondet_int() [L6237] case 0: [L6243] case 1: VAL [__this_module={0:0}, hrsl_to_error={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, ref_cnt=0] [L6154] tmp = ldv_zalloc(1496UL) [L6155] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, ref_cnt=0] [L6266] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, ref_cnt=0] [L4064] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, ref_cnt=0] [L5543] case 0U: VAL [__this_module={0:0}, hrsl_to_error={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, ref_cnt=0] [L5550] default: VAL [__this_module={0:0}, hrsl_to_error={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, ref_cnt=0] [L6581] ldv_spin = 1 VAL [__this_module={0:0}, hrsl_to_error={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, 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={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, ref_cnt=0] [L3980] __VERIFIER_error() VAL [__this_module={0:0}, hrsl_to_error={-2139094701:0}, 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={-1438311146:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-637638252:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2134900399:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 551 locations, 4 error locations. UNSAFE Result, 433.1s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3803 SDtfs, 2038 SDslu, 2369 SDs, 0 SdLazy, 119 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred 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, 1136 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 199.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 12536 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2732 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...