./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer --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 40de188cff2b1be7c974846c9dd46fa12c9c5d69 ......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer --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 40de188cff2b1be7c974846c9dd46fa12c9c5d69 ................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:11:53,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:11:53,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:11:53,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:11:53,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:11:53,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:11:53,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:11:53,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:11:53,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:11:53,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:11:53,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:11:53,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:11:53,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:11:53,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:11:53,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:11:53,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:11:53,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:11:53,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:11:53,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:11:53,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:11:53,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:11:53,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:11:53,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:11:53,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:11:53,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:11:53,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:11:53,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:11:53,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:11:53,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:11:53,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:11:53,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:11:53,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:11:53,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:11:53,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:11:54,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:11:54,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:11:54,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:11:54,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:11:54,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:11:54,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:11:54,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:11:54,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-16 00:11:54,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:11:54,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:11:54,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:11:54,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:11:54,036 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:11:54,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:11:54,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:11:54,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:11:54,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:11:54,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:11:54,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:11:54,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:11:54,038 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:11:54,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:11:54,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:11:54,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:11:54,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:11:54,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:11:54,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:11:54,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:11:54,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:11:54,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:11:54,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:11:54,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:11:54,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:11:54,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:11:54,047 INFO L138 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__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 -> 40de188cff2b1be7c974846c9dd46fa12c9c5d69 [2019-11-16 00:11:54,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:11:54,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:11:54,094 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:11:54,095 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:11:54,096 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:11:54,096 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-16 00:11:54,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/data/0ad612822/3861f2b679fc427cbca94c6328ef1f30/FLAGba0c2182a [2019-11-16 00:11:54,783 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:11:54,785 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-16 00:11:54,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/data/0ad612822/3861f2b679fc427cbca94c6328ef1f30/FLAGba0c2182a [2019-11-16 00:11:55,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/data/0ad612822/3861f2b679fc427cbca94c6328ef1f30 [2019-11-16 00:11:55,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:11:55,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:11:55,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:11:55,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:11:55,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:11:55,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:11:55" (1/1) ... [2019-11-16 00:11:55,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f55c3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:55, skipping insertion in model container [2019-11-16 00:11:55,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:11:55" (1/1) ... [2019-11-16 00:11:55,133 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:11:55,196 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:11:55,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:11:55,902 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:11:56,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:11:56,141 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:11:56,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56 WrapperNode [2019-11-16 00:11:56,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:11:56,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:11:56,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:11:56,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:11:56,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2019-11-16 00:11:56,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2019-11-16 00:11:56,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:11:56,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:11:56,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:11:56,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:11:56,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2019-11-16 00:11:56,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2019-11-16 00:11:56,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2019-11-16 00:11:56,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2019-11-16 00:11:56,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2019-11-16 00:11:56,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2019-11-16 00:11:56,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... [2019-11-16 00:11:56,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:11:56,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:11:56,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:11:56,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:11:56,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:11:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:11:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:11:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:11:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:11:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:11:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-16 00:11:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:11:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-16 00:11:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:11:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:11:56,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:11:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-11-16 00:12:00,154 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:12:00,154 INFO L284 CfgBuilder]: Removed 159 assume(true) statements. [2019-11-16 00:12:00,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:12:00 BoogieIcfgContainer [2019-11-16 00:12:00,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:12:00,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:12:00,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:12:00,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:12:00,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:11:55" (1/3) ... [2019-11-16 00:12:00,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1337c071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:12:00, skipping insertion in model container [2019-11-16 00:12:00,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:11:56" (2/3) ... [2019-11-16 00:12:00,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1337c071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:12:00, skipping insertion in model container [2019-11-16 00:12:00,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:12:00" (3/3) ... [2019-11-16 00:12:00,161 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-16 00:12:00,169 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:12:00,176 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-16 00:12:00,185 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-16 00:12:00,208 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:12:00,208 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:12:00,208 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:12:00,208 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:12:00,208 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:12:00,208 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:12:00,209 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:12:00,209 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:12:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-11-16 00:12:00,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:12:00,232 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:12:00,232 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:12:00,234 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:12:00,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:12:00,239 INFO L82 PathProgramCache]: Analyzing trace with hash -618862676, now seen corresponding path program 1 times [2019-11-16 00:12:00,246 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:12:00,247 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139569144] [2019-11-16 00:12:00,247 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:12:00,247 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:12:00,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:12:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:12:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:12:00,840 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:12:00,841 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:12:00,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:00,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:00,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:00,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:00,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:00,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:00,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:00,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:00,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:00,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:12:00 BoogieIcfgContainer [2019-11-16 00:12:00,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:12:00,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:12:00,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:12:00,906 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:12:00,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:12:00" (3/4) ... [2019-11-16 00:12:00,910 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:12:00,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:12:00,912 INFO L168 Benchmark]: Toolchain (without parser) took 5791.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:12:00,912 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:12:00,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1021.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:12:00,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:12:00,914 INFO L168 Benchmark]: Boogie Preprocessor took 121.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:12:00,915 INFO L168 Benchmark]: RCFGBuilder took 3756.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.1 MB). Peak memory consumption was 214.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:12:00,916 INFO L168 Benchmark]: TraceAbstraction took 749.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:12:00,916 INFO L168 Benchmark]: Witness Printer took 4.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:12:00,920 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1021.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 133.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3756.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.1 MB). Peak memory consumption was 214.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 749.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2296]: 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 1799. Possible FailurePath: [L1797-L1798] static struct comedi_driver driver_ni6527 = {0, "ni6527", & __this_module, & ni6527_attach, & ni6527_detach, 0U, 0, 0}; [L1799-L1800] static struct ni6527_board const ni6527_boards[2U] = { {11040, "pci-6527"}, {11024, "pxi-6527"}}; [L1801-L1803] static struct pci_device_id const ni6527_pci_table[3U] = { {4243U, 11024U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 11040U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1804] struct pci_device_id const __mod_pci_device_table ; [L2204-L2211] static struct pci_driver driver_ni6527_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni6527_pci_table), & driver_ni6527_pci_probe, & driver_ni6527_pci_remove, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}; [L2239] int LDV_IN_INTERRUPT ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=0, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2242] struct comedi_device *var_group1 ; [L2243] struct comedi_devconfig *var_group2 ; [L2244] int var_ni6527_interrupt_3_p0 ; [L2245] void *var_ni6527_interrupt_3_p1 ; [L2246] int tmp ; [L2247] int tmp___0 ; [L2248] int tmp___1 ; [L2250] LDV_IN_INTERRUPT = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2214] int retval ; [L2215] int tmp ; [L2349] return __VERIFIER_nondet_int(); [L2217] retval = comedi_driver_register(& driver_ni6527) [L2218] COND TRUE retval < 0 [L2219] return (retval); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2253] tmp = driver_ni6527_init_module() [L2254] COND TRUE tmp != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2310] int tmp ; [L2311] int tmp___0 ; [L2312] int tmp___1 ; [L2388] return __VERIFIER_nondet_int(); [L2314] tmp = ldv_module_license() [L2315] COND FALSE !(tmp == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2296] __VERIFIER_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-16 00:12:03,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:12:03,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:12:03,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:12:03,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:12:03,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:12:03,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:12:03,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:12:03,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:12:03,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:12:03,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:12:03,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:12:03,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:12:03,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:12:03,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:12:03,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:12:03,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:12:03,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:12:03,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:12:03,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:12:03,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:12:03,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:12:03,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:12:03,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:12:03,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:12:03,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:12:03,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:12:03,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:12:03,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:12:03,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:12:03,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:12:03,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:12:03,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:12:03,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:12:03,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:12:03,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:12:03,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:12:03,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:12:03,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:12:03,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:12:03,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:12:03,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-16 00:12:03,092 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:12:03,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:12:03,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:12:03,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:12:03,094 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:12:03,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:12:03,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:12:03,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:12:03,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:12:03,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:12:03,095 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 00:12:03,095 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 00:12:03,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:12:03,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:12:03,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:12:03,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:12:03,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:12:03,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:12:03,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:12:03,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:12:03,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:12:03,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:12:03,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:12:03,098 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 00:12:03,098 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 00:12:03,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:12:03,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:12:03,098 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-16 00:12:03,099 INFO L138 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__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 -> 40de188cff2b1be7c974846c9dd46fa12c9c5d69 [2019-11-16 00:12:03,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:12:03,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:12:03,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:12:03,148 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:12:03,149 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:12:03,149 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-16 00:12:03,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/data/6e32aab5f/2a469c4979e3491babb27c8388e57c40/FLAG741be4709 [2019-11-16 00:12:03,771 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:12:03,771 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-16 00:12:03,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/data/6e32aab5f/2a469c4979e3491babb27c8388e57c40/FLAG741be4709 [2019-11-16 00:12:04,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/data/6e32aab5f/2a469c4979e3491babb27c8388e57c40 [2019-11-16 00:12:04,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:12:04,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:12:04,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:12:04,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:12:04,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:12:04,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:12:04" (1/1) ... [2019-11-16 00:12:04,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16508beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:04, skipping insertion in model container [2019-11-16 00:12:04,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:12:04" (1/1) ... [2019-11-16 00:12:04,237 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:12:04,322 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:12:05,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:12:05,115 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:12:05,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:12:05,317 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:12:05,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05 WrapperNode [2019-11-16 00:12:05,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:12:05,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:12:05,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:12:05,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:12:05,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05" (1/1) ... [2019-11-16 00:12:05,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05" (1/1) ... [2019-11-16 00:12:05,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:12:05,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:12:05,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:12:05,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:12:05,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05" (1/1) ... [2019-11-16 00:12:05,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05" (1/1) ... [2019-11-16 00:12:05,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05" (1/1) ... [2019-11-16 00:12:05,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05" (1/1) ... [2019-11-16 00:12:05,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05" (1/1) ... [2019-11-16 00:12:05,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05" (1/1) ... [2019-11-16 00:12:05,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05" (1/1) ... [2019-11-16 00:12:05,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:12:05,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:12:05,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:12:05,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:12:05,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:12:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-16 00:12:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:12:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:12:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-16 00:12:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-11-16 00:12:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:12:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:12:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-16 00:12:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-16 00:12:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-11-16 00:12:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-16 00:12:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-11-16 00:12:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:12:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:12:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:12:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-11-16 00:12:10,086 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:12:10,086 INFO L284 CfgBuilder]: Removed 159 assume(true) statements. [2019-11-16 00:12:10,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:12:10 BoogieIcfgContainer [2019-11-16 00:12:10,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:12:10,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:12:10,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:12:10,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:12:10,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:12:04" (1/3) ... [2019-11-16 00:12:10,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a20733e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:12:10, skipping insertion in model container [2019-11-16 00:12:10,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:05" (2/3) ... [2019-11-16 00:12:10,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a20733e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:12:10, skipping insertion in model container [2019-11-16 00:12:10,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:12:10" (3/3) ... [2019-11-16 00:12:10,097 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-16 00:12:10,106 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:12:10,114 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-16 00:12:10,125 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-16 00:12:10,150 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:12:10,151 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:12:10,151 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:12:10,151 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:12:10,151 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:12:10,152 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:12:10,152 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:12:10,152 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:12:10,173 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-11-16 00:12:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:12:10,178 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:12:10,179 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:12:10,182 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:12:10,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:12:10,187 INFO L82 PathProgramCache]: Analyzing trace with hash -618862676, now seen corresponding path program 1 times [2019-11-16 00:12:10,199 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:12:10,199 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1387261434] [2019-11-16 00:12:10,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27e725b1-510b-4adc-8f25-2604fc73b92d/bin/uautomizer/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 [2019-11-16 00:12:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:12:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:12:12,465 INFO L168 tionRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-16 00:12:12,465 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:12:12,666 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-16 00:12:12,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:12,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:12,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:12,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:12,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:12,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-16 00:12:12,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-16 00:12:12,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-16 00:12:12,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-16 00:12:12,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:12:12 BoogieIcfgContainer [2019-11-16 00:12:12,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:12:12,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:12:12,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:12:12,771 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:12:12,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:12:10" (3/4) ... [2019-11-16 00:12:12,775 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:12:12,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:12:12,777 INFO L168 Benchmark]: Toolchain (without parser) took 8554.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.5 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -228.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:12:12,778 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:12:12,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1094.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:12:12,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:12:12,781 INFO L168 Benchmark]: Boogie Preprocessor took 110.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:12:12,781 INFO L168 Benchmark]: RCFGBuilder took 4553.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 854.3 MB in the end (delta: 203.8 MB). Peak memory consumption was 203.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:12:12,782 INFO L168 Benchmark]: TraceAbstraction took 2681.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.8 MB). Free memory was 854.3 MB in the beginning and 1.2 GB in the end (delta: -321.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:12:12,783 INFO L168 Benchmark]: Witness Printer took 4.24 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:12:12,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1094.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4553.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 854.3 MB in the end (delta: 203.8 MB). Peak memory consumption was 203.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2681.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.8 MB). Free memory was 854.3 MB in the beginning and 1.2 GB in the end (delta: -321.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.24 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2296]: 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 1799. Possible FailurePath: [L1797-L1798] static struct comedi_driver driver_ni6527 = {0, "ni6527", & __this_module, & ni6527_attach, & ni6527_detach, 0U, 0, 0}; [L1799-L1800] static struct ni6527_board const ni6527_boards[2U] = { {11040, "pci-6527"}, {11024, "pxi-6527"}}; [L1801-L1803] static struct pci_device_id const ni6527_pci_table[3U] = { {4243U, 11024U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 11040U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1804] struct pci_device_id const __mod_pci_device_table ; [L2204-L2211] static struct pci_driver driver_ni6527_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni6527_pci_table), & driver_ni6527_pci_probe, & driver_ni6527_pci_remove, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}; [L2239] int LDV_IN_INTERRUPT ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=0, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2242] struct comedi_device *var_group1 ; [L2243] struct comedi_devconfig *var_group2 ; [L2244] int var_ni6527_interrupt_3_p0 ; [L2245] void *var_ni6527_interrupt_3_p1 ; [L2246] int tmp ; [L2247] int tmp___0 ; [L2248] int tmp___1 ; [L2250] LDV_IN_INTERRUPT = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2214] int retval ; [L2215] int tmp ; [L2349] return __VERIFIER_nondet_int(); [L2217] retval = comedi_driver_register(& driver_ni6527) [L2218] COND TRUE retval < 0 [L2219] return (retval); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2253] tmp = driver_ni6527_init_module() [L2254] COND TRUE tmp != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2310] int tmp ; [L2311] int tmp___0 ; [L2312] int tmp___1 ; [L2388] return __VERIFIER_nondet_int(); [L2314] tmp = ldv_module_license() [L2315] COND FALSE !(tmp == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2296] __VERIFIER_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 locations, 3 error locations. Result: UNSAFE, OverallTime: 2.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...