./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/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 ba73e23b9580146bc7096304e675af8938ea983f .......................................................................................................................................................................................................................................................................................................................................................................................................... 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_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/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 ba73e23b9580146bc7096304e675af8938ea983f ..................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:43:02,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:43:02,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:43:02,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:43:02,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:43:02,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:43:02,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:43:02,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:43:02,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:43:02,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:43:02,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:43:02,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:43:02,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:43:02,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:43:02,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:43:02,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:43:02,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:43:02,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:43:02,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:43:02,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:43:02,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:43:02,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:43:02,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:43:02,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:43:02,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:43:02,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:43:02,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:43:02,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:43:02,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:43:02,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:43:02,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:43:02,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:43:02,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:43:02,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:43:02,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:43:02,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:43:02,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:43:02,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:43:02,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:43:02,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:43:02,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:43:02,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-20 09:43:02,180 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:43:02,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:43:02,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:43:02,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:43:02,193 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:43:02,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:43:02,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:43:02,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:43:02,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:43:02,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:43:02,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:43:02,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:43:02,195 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:43:02,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:43:02,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:43:02,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:43:02,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:43:02,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:43:02,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:43:02,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:43:02,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:43:02,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:43:02,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:43:02,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:43:02,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:43:02,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 09:43:02,200 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_5692ab00-ec9b-4c6a-af36-619a759852a5/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 -> ba73e23b9580146bc7096304e675af8938ea983f [2019-11-20 09:43:02,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:43:02,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:43:02,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:43:02,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:43:02,402 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:43:02,402 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-11-20 09:43:02,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/data/9cd92d6be/a38c9d85b8fd40c7972e57b6b80925fe/FLAG2616f8d08 [2019-11-20 09:43:03,001 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:43:03,001 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-11-20 09:43:03,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/data/9cd92d6be/a38c9d85b8fd40c7972e57b6b80925fe/FLAG2616f8d08 [2019-11-20 09:43:03,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/data/9cd92d6be/a38c9d85b8fd40c7972e57b6b80925fe [2019-11-20 09:43:03,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:43:03,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:43:03,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:43:03,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:43:03,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:43:03,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:43:03" (1/1) ... [2019-11-20 09:43:03,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da5b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:03, skipping insertion in model container [2019-11-20 09:43:03,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:43:03" (1/1) ... [2019-11-20 09:43:03,271 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:43:03,334 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:43:04,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:43:04,130 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:43:04,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:43:04,396 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:43:04,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04 WrapperNode [2019-11-20 09:43:04,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:43:04,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:43:04,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:43:04,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:43:04,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04" (1/1) ... [2019-11-20 09:43:04,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04" (1/1) ... [2019-11-20 09:43:04,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:43:04,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:43:04,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:43:04,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:43:04,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04" (1/1) ... [2019-11-20 09:43:04,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04" (1/1) ... [2019-11-20 09:43:04,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04" (1/1) ... [2019-11-20 09:43:04,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04" (1/1) ... [2019-11-20 09:43:04,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04" (1/1) ... [2019-11-20 09:43:04,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04" (1/1) ... [2019-11-20 09:43:04,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04" (1/1) ... [2019-11-20 09:43:04,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:43:04,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:43:04,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:43:04,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:43:04,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/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 [2019-11-20 09:43:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 09:43:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:43:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 09:43:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 09:43:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:43:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 09:43:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:43:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 09:43:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 09:43:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:43:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:43:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-11-20 09:43:06,489 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:43:06,489 INFO L285 CfgBuilder]: Removed 185 assume(true) statements. [2019-11-20 09:43:06,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:06 BoogieIcfgContainer [2019-11-20 09:43:06,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:43:06,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:43:06,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:43:06,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:43:06,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:43:03" (1/3) ... [2019-11-20 09:43:06,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9db551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:43:06, skipping insertion in model container [2019-11-20 09:43:06,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:04" (2/3) ... [2019-11-20 09:43:06,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9db551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:43:06, skipping insertion in model container [2019-11-20 09:43:06,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:06" (3/3) ... [2019-11-20 09:43:06,499 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-11-20 09:43:06,510 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:43:06,518 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 09:43:06,530 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 09:43:06,556 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:43:06,557 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:43:06,557 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:43:06,557 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:43:06,557 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:43:06,558 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:43:06,558 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:43:06,558 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:43:06,580 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-20 09:43:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 09:43:06,585 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:06,586 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:06,587 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:06,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:06,592 INFO L82 PathProgramCache]: Analyzing trace with hash -612151764, now seen corresponding path program 1 times [2019-11-20 09:43:06,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:06,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033935055] [2019-11-20 09:43:06,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:43:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:43:06,979 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:43:06,980 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 09:43:07,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:07,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:07,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,054 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:07,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:07,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:07,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:07,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:07,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:07,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:07,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:43:07 BoogieIcfgContainer [2019-11-20 09:43:07,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:43:07,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:43:07,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:43:07,075 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:43:07,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:06" (3/4) ... [2019-11-20 09:43:07,079 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:43:07,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:43:07,083 INFO L168 Benchmark]: Toolchain (without parser) took 3838.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 940.7 MB in the beginning and 916.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 186.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:07,083 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-20 09:43:07,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1152.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:07,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.70 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:07,086 INFO L168 Benchmark]: Boogie Preprocessor took 116.37 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:07,086 INFO L168 Benchmark]: RCFGBuilder took 1850.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.6 MB in the end (delta: 145.7 MB). Peak memory consumption was 145.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:07,087 INFO L168 Benchmark]: TraceAbstraction took 581.80 ms. Allocated memory is still 1.2 GB. Free memory was 957.6 MB in the beginning and 923.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:07,088 INFO L168 Benchmark]: Witness Printer took 5.42 ms. Allocated memory is still 1.2 GB. Free memory was 923.5 MB in the beginning and 916.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:07,092 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 1152.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.70 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.37 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1850.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.6 MB in the end (delta: 145.7 MB). Peak memory consumption was 145.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 581.80 ms. Allocated memory is still 1.2 GB. Free memory was 957.6 MB in the beginning and 923.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.42 ms. Allocated memory is still 1.2 GB. Free memory was 923.5 MB in the beginning and 916.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. 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!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!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!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!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!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!device - 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!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!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!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!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!device * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2129]: 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 1781. Possible FailurePath: [L1781-L1783] static struct ni_670x_board const ni_670x_boards[3U] = { {11408U, "PCI-6703", 16U, 16U}, {6432U, "PXI-6704", 32U, 16U}, {4752U, "PCI-6704", 32U, 16U}}; [L1784-L1786] static struct pci_device_id const ni_670x_pci_table[3U] = { {4243U, 11408U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 6432U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1787] struct pci_device_id const __mod_pci_device_table ; [L1790-L1791] static struct comedi_driver driver_ni_670x = {0, "ni_670x", & __this_module, & ni_670x_attach, & ni_670x_detach, 0U, 0, 0}; [L1807-L1817] static struct pci_driver driver_ni_670x_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni_670x_pci_table), & driver_ni_670x_pci_probe, & driver_ni_670x_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}}}; [L1841] static struct comedi_lrange range_0_20mA = {1, {{0, 20000000, 1U}}}; [L2080] 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={4294967302:4294967297}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=0, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] [L2083] struct comedi_device *var_group1 ; [L2084] struct comedi_devconfig *var_group2 ; [L2085] int tmp ; [L2086] int tmp___0 ; [L2087] int tmp___1 ; [L2089] 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={4294967302:4294967297}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] [L1820] int retval ; [L1821] int tmp ; [L2178] return __VERIFIER_nondet_int(); [L1823] retval = comedi_driver_register(& driver_ni_670x) [L1824] COND TRUE retval < 0 [L1825] 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={4294967302:4294967297}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] [L2092] tmp = driver_ni_670x_init_module() [L2093] 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={4294967302:4294967297}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] [L2143] int tmp ; [L2144] int tmp___0 ; [L2145] int tmp___1 ; [L2214] return __VERIFIER_nondet_int(); [L2147] tmp = ldv_module_license() [L2148] 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={4294967302:4294967297}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] [L2129] __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={4294967302:4294967297}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.5s, 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=227occurred 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, 0.1s 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 0.1.24-678e011 [2019-11-20 09:43:09,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:43:09,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:43:09,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:43:09,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:43:09,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:43:09,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:43:09,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:43:09,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:43:09,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:43:09,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:43:09,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:43:09,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:43:09,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:43:09,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:43:09,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:43:09,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:43:09,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:43:09,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:43:09,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:43:09,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:43:09,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:43:09,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:43:09,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:43:09,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:43:09,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:43:09,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:43:09,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:43:09,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:43:09,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:43:09,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:43:09,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:43:09,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:43:09,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:43:09,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:43:09,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:43:09,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:43:09,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:43:09,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:43:09,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:43:09,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:43:09,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-20 09:43:09,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:43:09,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:43:09,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:43:09,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:43:09,208 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:43:09,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:43:09,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:43:09,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:43:09,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:43:09,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:43:09,211 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 09:43:09,211 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 09:43:09,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:43:09,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:43:09,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:43:09,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:43:09,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:43:09,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:43:09,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:43:09,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:43:09,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:43:09,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:43:09,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:43:09,214 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 09:43:09,215 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 09:43:09,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:43:09,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 09:43:09,215 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-20 09:43:09,216 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_5692ab00-ec9b-4c6a-af36-619a759852a5/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 -> ba73e23b9580146bc7096304e675af8938ea983f [2019-11-20 09:43:09,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:43:09,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:43:09,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:43:09,634 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:43:09,634 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:43:09,635 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-11-20 09:43:09,702 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/data/54c899804/d60a32291ba440ada1fdc825d0e2aaa4/FLAGa004f4158 [2019-11-20 09:43:10,317 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:43:10,318 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-11-20 09:43:10,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/data/54c899804/d60a32291ba440ada1fdc825d0e2aaa4/FLAGa004f4158 [2019-11-20 09:43:10,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/bin/uautomizer/data/54c899804/d60a32291ba440ada1fdc825d0e2aaa4 [2019-11-20 09:43:10,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:43:10,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:43:10,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:43:10,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:43:10,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:43:10,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:43:10" (1/1) ... [2019-11-20 09:43:10,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6fcb20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:10, skipping insertion in model container [2019-11-20 09:43:10,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:43:10" (1/1) ... [2019-11-20 09:43:10,631 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:43:10,707 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:43:11,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:43:11,481 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:43:11,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:43:11,784 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:43:11,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11 WrapperNode [2019-11-20 09:43:11,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:43:11,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:43:11,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:43:11,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:43:11,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11" (1/1) ... [2019-11-20 09:43:11,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11" (1/1) ... [2019-11-20 09:43:11,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:43:11,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:43:11,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:43:11,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:43:11,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11" (1/1) ... [2019-11-20 09:43:11,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11" (1/1) ... [2019-11-20 09:43:11,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11" (1/1) ... [2019-11-20 09:43:11,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11" (1/1) ... [2019-11-20 09:43:12,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11" (1/1) ... [2019-11-20 09:43:12,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11" (1/1) ... [2019-11-20 09:43:12,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11" (1/1) ... [2019-11-20 09:43:12,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:43:12,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:43:12,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:43:12,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:43:12,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/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 [2019-11-20 09:43:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-20 09:43:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 09:43:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:43:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 09:43:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-11-20 09:43:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 09:43:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:43:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 09:43:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 09:43:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-11-20 09:43:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-11-20 09:43:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-20 09:43:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-11-20 09:43:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 09:43:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:43:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:43:12,199 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-11-20 09:43:17,367 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:43:17,367 INFO L285 CfgBuilder]: Removed 185 assume(true) statements. [2019-11-20 09:43:17,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:17 BoogieIcfgContainer [2019-11-20 09:43:17,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:43:17,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:43:17,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:43:17,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:43:17,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:43:10" (1/3) ... [2019-11-20 09:43:17,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1e21a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:43:17, skipping insertion in model container [2019-11-20 09:43:17,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:11" (2/3) ... [2019-11-20 09:43:17,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1e21a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:43:17, skipping insertion in model container [2019-11-20 09:43:17,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:17" (3/3) ... [2019-11-20 09:43:17,383 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-11-20 09:43:17,395 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:43:17,404 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 09:43:17,416 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 09:43:17,454 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:43:17,454 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:43:17,455 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:43:17,455 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:43:17,455 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:43:17,455 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:43:17,455 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:43:17,455 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:43:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-20 09:43:17,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 09:43:17,492 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:17,493 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:17,493 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:17,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:17,500 INFO L82 PathProgramCache]: Analyzing trace with hash -612151764, now seen corresponding path program 1 times [2019-11-20 09:43:17,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:43:17,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1387175330] [2019-11-20 09:43:17,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5692ab00-ec9b-4c6a-af36-619a759852a5/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 [2019-11-20 09:43:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:43:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:43:20,405 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-20 09:43:20,406 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 09:43:20,607 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 09:43:20,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:20,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:20,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:20,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,676 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,676 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,676 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,676 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:20,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:20,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 09:43:20,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 09:43:20,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 09:43:20,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 09:43:20,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:43:20 BoogieIcfgContainer [2019-11-20 09:43:20,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:43:20,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:43:20,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:43:20,692 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:43:20,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:17" (3/4) ... [2019-11-20 09:43:20,696 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:43:20,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:43:20,699 INFO L168 Benchmark]: Toolchain (without parser) took 10090.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 957.8 MB in the beginning and 879.4 MB in the end (delta: 78.4 MB). Peak memory consumption was 249.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:20,699 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:43:20,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1172.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:20,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.46 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:20,711 INFO L168 Benchmark]: Boogie Preprocessor took 162.91 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:20,712 INFO L168 Benchmark]: RCFGBuilder took 5262.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.7 MB in the end (delta: 155.3 MB). Peak memory consumption was 155.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:20,714 INFO L168 Benchmark]: TraceAbstraction took 3320.79 ms. Allocated memory is still 1.2 GB. Free memory was 957.7 MB in the beginning and 879.4 MB in the end (delta: 78.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:20,715 INFO L168 Benchmark]: Witness Printer took 4.83 ms. Allocated memory is still 1.2 GB. Free memory is still 879.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:43:20,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1172.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 156.46 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 162.91 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5262.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.7 MB in the end (delta: 155.3 MB). Peak memory consumption was 155.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3320.79 ms. Allocated memory is still 1.2 GB. Free memory was 957.7 MB in the beginning and 879.4 MB in the end (delta: 78.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.83 ms. Allocated memory is still 1.2 GB. Free memory is still 879.4 MB. 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!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!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!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!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!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!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!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!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!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!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!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!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2129]: 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 1781. Possible FailurePath: [L1781-L1783] static struct ni_670x_board const ni_670x_boards[3U] = { {11408U, "PCI-6703", 16U, 16U}, {6432U, "PXI-6704", 32U, 16U}, {4752U, "PCI-6704", 32U, 16U}}; [L1784-L1786] static struct pci_device_id const ni_670x_pci_table[3U] = { {4243U, 11408U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 6432U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1787] struct pci_device_id const __mod_pci_device_table ; [L1790-L1791] static struct comedi_driver driver_ni_670x = {0, "ni_670x", & __this_module, & ni_670x_attach, & ni_670x_detach, 0U, 0, 0}; [L1807-L1817] static struct pci_driver driver_ni_670x_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni_670x_pci_table), & driver_ni_670x_pci_probe, & driver_ni_670x_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}}}; [L1841] static struct comedi_lrange range_0_20mA = {1, {{0, 20000000, 1U}}}; [L2080] 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_ni_670x={1879048163:0}, driver_ni_670x_pci_driver={1543503871:0}, LDV_IN_INTERRUPT=0, ni_670x_boards={1946157047:0}, ni_670x_pci_table={2147474863:0}, range_0_20mA={2147483647:0}] [L2083] struct comedi_device *var_group1 ; [L2084] struct comedi_devconfig *var_group2 ; [L2085] int tmp ; [L2086] int tmp___0 ; [L2087] int tmp___1 ; [L2089] 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_ni_670x={1879048163:0}, driver_ni_670x_pci_driver={1543503871:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={1946157047:0}, ni_670x_pci_table={2147474863:0}, range_0_20mA={2147483647:0}] [L1820] int retval ; [L1821] int tmp ; [L2178] return __VERIFIER_nondet_int(); [L1823] retval = comedi_driver_register(& driver_ni_670x) [L1824] COND TRUE retval < 0 [L1825] 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_ni_670x={1879048163:0}, driver_ni_670x_pci_driver={1543503871:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={1946157047:0}, ni_670x_pci_table={2147474863:0}, range_0_20mA={2147483647:0}] [L2092] tmp = driver_ni_670x_init_module() [L2093] 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_ni_670x={1879048163:0}, driver_ni_670x_pci_driver={1543503871:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={1946157047:0}, ni_670x_pci_table={2147474863:0}, range_0_20mA={2147483647:0}] [L2143] int tmp ; [L2144] int tmp___0 ; [L2145] int tmp___1 ; [L2214] return __VERIFIER_nondet_int(); [L2147] tmp = ldv_module_license() [L2148] 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_ni_670x={1879048163:0}, driver_ni_670x_pci_driver={1543503871:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={1946157047:0}, ni_670x_pci_table={2147474863:0}, range_0_20mA={2147483647:0}] [L2129] __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_ni_670x={1879048163:0}, driver_ni_670x_pci_driver={1543503871:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={1946157047:0}, ni_670x_pci_table={2147474863:0}, range_0_20mA={2147483647:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.2s, 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=227occurred 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, 1.2s 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...