./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/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_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/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 e5a0d14202d3c8d891c7cef235fb7bd00779b712 ....................................................................................................................................................................................................................................................................................................................................................................................................... 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_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/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_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/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 e5a0d14202d3c8d891c7cef235fb7bd00779b712 ................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:32:53,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:32:53,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:32:53,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:32:53,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:32:53,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:32:53,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:32:53,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:32:53,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:32:53,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:32:53,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:32:53,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:32:53,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:32:53,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:32:53,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:32:53,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:32:53,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:32:53,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:32:53,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:32:53,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:32:53,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:32:53,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:32:53,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:32:53,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:32:53,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:32:53,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:32:53,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:32:53,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:32:53,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:32:53,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:32:53,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:32:53,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:32:53,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:32:53,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:32:53,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:32:53,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:32:53,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:32:53,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:32:53,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:32:53,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:32:53,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:32:53,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-20 04:32:53,145 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:32:53,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:32:53,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:32:53,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:32:53,157 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:32:53,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:32:53,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:32:53,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:32:53,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:32:53,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:32:53,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:32:53,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:32:53,158 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:32:53,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:32:53,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:32:53,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:32:53,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:32:53,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:32:53,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:32:53,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:32:53,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:32:53,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:32:53,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:32:53,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:32:53,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:32:53,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 04:32:53,163 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_bdb44de6-99aa-4bb3-b939-2396686073b6/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 -> e5a0d14202d3c8d891c7cef235fb7bd00779b712 [2019-11-20 04:32:53,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:32:53,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:32:53,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:32:53,331 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:32:53,331 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:32:53,331 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-20 04:32:53,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/data/9b66d91c0/7da04290268d4d5ca7243dfe3ab0f7bc/FLAG1f6950577 [2019-11-20 04:32:53,957 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:32:53,958 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-20 04:32:53,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/data/9b66d91c0/7da04290268d4d5ca7243dfe3ab0f7bc/FLAG1f6950577 [2019-11-20 04:32:54,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/data/9b66d91c0/7da04290268d4d5ca7243dfe3ab0f7bc [2019-11-20 04:32:54,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:32:54,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:32:54,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:32:54,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:32:54,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:32:54,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:32:54" (1/1) ... [2019-11-20 04:32:54,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55797860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:54, skipping insertion in model container [2019-11-20 04:32:54,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:32:54" (1/1) ... [2019-11-20 04:32:54,136 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:32:54,205 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:32:54,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:32:54,900 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:32:55,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:32:55,140 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:32:55,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55 WrapperNode [2019-11-20 04:32:55,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:32:55,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:32:55,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:32:55,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:32:55,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55" (1/1) ... [2019-11-20 04:32:55,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55" (1/1) ... [2019-11-20 04:32:55,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:32:55,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:32:55,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:32:55,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:32:55,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55" (1/1) ... [2019-11-20 04:32:55,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55" (1/1) ... [2019-11-20 04:32:55,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55" (1/1) ... [2019-11-20 04:32:55,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55" (1/1) ... [2019-11-20 04:32:55,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55" (1/1) ... [2019-11-20 04:32:55,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55" (1/1) ... [2019-11-20 04:32:55,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55" (1/1) ... [2019-11-20 04:32:55,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:32:55,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:32:55,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:32:55,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:32:55,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/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 04:32:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 04:32:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:32:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 04:32:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 04:32:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:32:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 04:32:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 04:32:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 04:32:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 04:32:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:32:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:32:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-11-20 04:32:59,116 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:32:59,117 INFO L285 CfgBuilder]: Removed 159 assume(true) statements. [2019-11-20 04:32:59,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:32:59 BoogieIcfgContainer [2019-11-20 04:32:59,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:32:59,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:32:59,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:32:59,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:32:59,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:32:54" (1/3) ... [2019-11-20 04:32:59,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319929df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:32:59, skipping insertion in model container [2019-11-20 04:32:59,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:32:55" (2/3) ... [2019-11-20 04:32:59,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319929df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:32:59, skipping insertion in model container [2019-11-20 04:32:59,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:32:59" (3/3) ... [2019-11-20 04:32:59,127 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-20 04:32:59,135 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:32:59,146 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 04:32:59,157 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 04:32:59,181 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:32:59,181 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:32:59,182 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:32:59,182 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:32:59,182 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:32:59,182 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:32:59,182 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:32:59,182 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:32:59,210 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-11-20 04:32:59,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 04:32:59,218 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:32:59,218 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:32:59,219 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:32:59,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:32:59,224 INFO L82 PathProgramCache]: Analyzing trace with hash -618862676, now seen corresponding path program 1 times [2019-11-20 04:32:59,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:32:59,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631800524] [2019-11-20 04:32:59,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:32:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:32:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:32:59,656 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:32:59,657 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 04:32:59,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:32:59,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:32:59,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:32:59,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:32:59,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:32:59,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:32:59,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:32:59,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:32:59,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:32:59,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:32:59 BoogieIcfgContainer [2019-11-20 04:32:59,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:32:59,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:32:59,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:32:59,746 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:32:59,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:32:59" (3/4) ... [2019-11-20 04:32:59,750 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:32:59,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:32:59,752 INFO L168 Benchmark]: Toolchain (without parser) took 5629.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 829.2 MB in the end (delta: 115.5 MB). Peak memory consumption was 256.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:32:59,753 INFO L168 Benchmark]: CDTParser took 0.16 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 04:32:59,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1018.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:32:59,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.80 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 04:32:59,755 INFO L168 Benchmark]: Boogie Preprocessor took 102.84 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 04:32:59,756 INFO L168 Benchmark]: RCFGBuilder took 3711.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.1 MB in the end (delta: 198.8 MB). Peak memory consumption was 198.8 MB. Max. memory is 11.5 GB. [2019-11-20 04:32:59,756 INFO L168 Benchmark]: TraceAbstraction took 626.27 ms. Allocated memory is still 1.2 GB. Free memory was 863.1 MB in the beginning and 829.2 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:32:59,757 INFO L168 Benchmark]: Witness Printer took 4.79 ms. Allocated memory is still 1.2 GB. Free memory is still 829.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:32:59,760 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 1018.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 161.80 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 102.84 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 3711.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.1 MB in the end (delta: 198.8 MB). Peak memory consumption was 198.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 626.27 ms. Allocated memory is still 1.2 GB. Free memory was 863.1 MB in the beginning and 829.2 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.79 ms. Allocated memory is still 1.2 GB. Free memory is still 829.2 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!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!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!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 - 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!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!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!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!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!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!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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2298]: 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 1801. Possible FailurePath: [L1799-L1800] static struct comedi_driver driver_ni6527 = {0, "ni6527", & __this_module, & ni6527_attach, & ni6527_detach, 0U, 0, 0}; [L1801-L1802] static struct ni6527_board const ni6527_boards[2U] = { {11040, "pci-6527"}, {11024, "pxi-6527"}}; [L1803-L1805] 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}}; [L1806] struct pci_device_id const __mod_pci_device_table ; [L2206-L2213] 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}}}; [L2241] 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={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=0, ni6527_boards={14:0}, ni6527_pci_table={26:0}] [L2244] struct comedi_device *var_group1 ; [L2245] struct comedi_devconfig *var_group2 ; [L2246] int var_ni6527_interrupt_3_p0 ; [L2247] void *var_ni6527_interrupt_3_p1 ; [L2248] int tmp ; [L2249] int tmp___0 ; [L2250] int tmp___1 ; [L2252] 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={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=1, ni6527_boards={14:0}, ni6527_pci_table={26:0}] [L2216] int retval ; [L2217] int tmp ; [L2351] return __VERIFIER_nondet_int(); [L2219] retval = comedi_driver_register(& driver_ni6527) [L2220] COND TRUE retval < 0 [L2221] 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={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=1, ni6527_boards={14:0}, ni6527_pci_table={26:0}] [L2255] tmp = driver_ni6527_init_module() [L2256] 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={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=1, ni6527_boards={14:0}, ni6527_pci_table={26:0}] [L2312] int tmp ; [L2313] int tmp___0 ; [L2314] int tmp___1 ; [L2390] return __VERIFIER_nondet_int(); [L2316] tmp = ldv_module_license() [L2317] 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={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=1, ni6527_boards={14:0}, ni6527_pci_table={26:0}] [L2298] __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={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=1, ni6527_boards={14:0}, ni6527_pci_table={26:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 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=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, 0.1s 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 04:33:01,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:33:01,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:33:01,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:33:01,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:33:01,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:33:01,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:33:01,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:33:01,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:33:01,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:33:01,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:33:01,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:33:01,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:33:01,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:33:01,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:33:01,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:33:01,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:33:01,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:33:01,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:33:01,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:33:01,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:33:01,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:33:01,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:33:01,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:33:01,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:33:01,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:33:01,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:33:01,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:33:01,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:33:01,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:33:01,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:33:01,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:33:01,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:33:01,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:33:01,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:33:01,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:33:01,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:33:01,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:33:01,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:33:01,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:33:01,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:33:01,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-20 04:33:01,673 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:33:01,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:33:01,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:33:01,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:33:01,675 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:33:01,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:33:01,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:33:01,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:33:01,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:33:01,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:33:01,677 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 04:33:01,677 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 04:33:01,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:33:01,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:33:01,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:33:01,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:33:01,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:33:01,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:33:01,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:33:01,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:33:01,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:33:01,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:33:01,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:33:01,680 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 04:33:01,680 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 04:33:01,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:33:01,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 04:33:01,681 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-20 04:33:01,681 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_bdb44de6-99aa-4bb3-b939-2396686073b6/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 -> e5a0d14202d3c8d891c7cef235fb7bd00779b712 [2019-11-20 04:33:01,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:33:01,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:33:01,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:33:01,968 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:33:01,968 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:33:01,969 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-20 04:33:02,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/data/51b63eac7/9e4918dcb3b341838b51a609d750c740/FLAG37fb1e59e [2019-11-20 04:33:02,585 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:33:02,585 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-20 04:33:02,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/data/51b63eac7/9e4918dcb3b341838b51a609d750c740/FLAG37fb1e59e [2019-11-20 04:33:02,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/bin/uautomizer/data/51b63eac7/9e4918dcb3b341838b51a609d750c740 [2019-11-20 04:33:03,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:33:03,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:33:03,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:33:03,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:33:03,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:33:03,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:33:02" (1/1) ... [2019-11-20 04:33:03,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246335dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:03, skipping insertion in model container [2019-11-20 04:33:03,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:33:02" (1/1) ... [2019-11-20 04:33:03,015 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:33:03,091 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:33:03,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:33:03,915 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:33:04,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:33:04,192 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:33:04,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04 WrapperNode [2019-11-20 04:33:04,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:33:04,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:33:04,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:33:04,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:33:04,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04" (1/1) ... [2019-11-20 04:33:04,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04" (1/1) ... [2019-11-20 04:33:04,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:33:04,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:33:04,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:33:04,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:33:04,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04" (1/1) ... [2019-11-20 04:33:04,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04" (1/1) ... [2019-11-20 04:33:04,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04" (1/1) ... [2019-11-20 04:33:04,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04" (1/1) ... [2019-11-20 04:33:04,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04" (1/1) ... [2019-11-20 04:33:04,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04" (1/1) ... [2019-11-20 04:33:04,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04" (1/1) ... [2019-11-20 04:33:04,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:33:04,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:33:04,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:33:04,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:33:04,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/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 04:33:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-20 04:33:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 04:33:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:33:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 04:33:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-11-20 04:33:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 04:33:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:33:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 04:33:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 04:33:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-11-20 04:33:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-20 04:33:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-11-20 04:33:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 04:33:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:33:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:33:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-11-20 04:33:08,727 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:33:08,728 INFO L285 CfgBuilder]: Removed 159 assume(true) statements. [2019-11-20 04:33:08,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:33:08 BoogieIcfgContainer [2019-11-20 04:33:08,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:33:08,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:33:08,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:33:08,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:33:08,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:33:02" (1/3) ... [2019-11-20 04:33:08,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485acc5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:33:08, skipping insertion in model container [2019-11-20 04:33:08,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:33:04" (2/3) ... [2019-11-20 04:33:08,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485acc5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:33:08, skipping insertion in model container [2019-11-20 04:33:08,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:33:08" (3/3) ... [2019-11-20 04:33:08,744 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-11-20 04:33:08,754 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:33:08,761 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 04:33:08,772 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 04:33:08,803 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:33:08,803 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:33:08,803 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:33:08,803 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:33:08,804 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:33:08,804 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:33:08,804 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:33:08,804 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:33:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-11-20 04:33:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 04:33:08,837 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:33:08,838 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:33:08,839 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:33:08,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:33:08,845 INFO L82 PathProgramCache]: Analyzing trace with hash -618862676, now seen corresponding path program 1 times [2019-11-20 04:33:08,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 04:33:08,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [394662904] [2019-11-20 04:33:08,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bdb44de6-99aa-4bb3-b939-2396686073b6/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 04:33:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:33:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:33:11,330 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-20 04:33:11,330 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 04:33:11,546 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 04:33:11,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:33:11,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:33:11,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:33:11,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:33:11,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:33:11,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-11-20 04:33:11,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-11-20 04:33:11,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-11-20 04:33:11,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-11-20 04:33:11,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:33:11 BoogieIcfgContainer [2019-11-20 04:33:11,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:33:11,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:33:11,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:33:11,614 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:33:11,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:33:08" (3/4) ... [2019-11-20 04:33:11,621 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:33:11,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:33:11,623 INFO L168 Benchmark]: Toolchain (without parser) took 8621.93 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.8 MB). Free memory was 955.1 MB in the beginning and 1.2 GB in the end (delta: -204.6 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:33:11,624 INFO L168 Benchmark]: CDTParser took 0.18 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 04:33:11,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1192.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:33:11,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.75 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 04:33:11,626 INFO L168 Benchmark]: Boogie Preprocessor took 144.28 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:33:11,626 INFO L168 Benchmark]: RCFGBuilder took 4218.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 861.8 MB in the end (delta: 207.4 MB). Peak memory consumption was 207.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:33:11,627 INFO L168 Benchmark]: TraceAbstraction took 2882.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.2 MB). Free memory was 861.8 MB in the beginning and 1.2 GB in the end (delta: -297.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:33:11,627 INFO L168 Benchmark]: Witness Printer took 8.27 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. [2019-11-20 04:33:11,631 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 1192.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 171.75 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 144.28 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4218.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 861.8 MB in the end (delta: 207.4 MB). Peak memory consumption was 207.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2882.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.2 MB). Free memory was 861.8 MB in the beginning and 1.2 GB in the end (delta: -297.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 8.27 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!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!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!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!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!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!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!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!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!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!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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2298]: 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 1801. Possible FailurePath: [L1799-L1800] static struct comedi_driver driver_ni6527 = {0, "ni6527", & __this_module, & ni6527_attach, & ni6527_detach, 0U, 0, 0}; [L1801-L1802] static struct ni6527_board const ni6527_boards[2U] = { {11040, "pci-6527"}, {11024, "pxi-6527"}}; [L1803-L1805] 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}}; [L1806] struct pci_device_id const __mod_pci_device_table ; [L2206-L2213] 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}}}; [L2241] 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={1241514317:0}, driver_ni6527_pci_driver={1258291213:0}, LDV_IN_INTERRUPT=0, ni6527_boards={1761608094:0}, ni6527_pci_table={1258291615:0}] [L2244] struct comedi_device *var_group1 ; [L2245] struct comedi_devconfig *var_group2 ; [L2246] int var_ni6527_interrupt_3_p0 ; [L2247] void *var_ni6527_interrupt_3_p1 ; [L2248] int tmp ; [L2249] int tmp___0 ; [L2250] int tmp___1 ; [L2252] 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={1241514317:0}, driver_ni6527_pci_driver={1258291213:0}, LDV_IN_INTERRUPT=1, ni6527_boards={1761608094:0}, ni6527_pci_table={1258291615:0}] [L2216] int retval ; [L2217] int tmp ; [L2351] return __VERIFIER_nondet_int(); [L2219] retval = comedi_driver_register(& driver_ni6527) [L2220] COND TRUE retval < 0 [L2221] 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={1241514317:0}, driver_ni6527_pci_driver={1258291213:0}, LDV_IN_INTERRUPT=1, ni6527_boards={1761608094:0}, ni6527_pci_table={1258291615:0}] [L2255] tmp = driver_ni6527_init_module() [L2256] 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={1241514317:0}, driver_ni6527_pci_driver={1258291213:0}, LDV_IN_INTERRUPT=1, ni6527_boards={1761608094:0}, ni6527_pci_table={1258291615:0}] [L2312] int tmp ; [L2313] int tmp___0 ; [L2314] int tmp___1 ; [L2390] return __VERIFIER_nondet_int(); [L2316] tmp = ldv_module_license() [L2317] 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={1241514317:0}, driver_ni6527_pci_driver={1258291213:0}, LDV_IN_INTERRUPT=1, ni6527_boards={1761608094:0}, ni6527_pci_table={1258291615:0}] [L2298] __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={1241514317:0}, driver_ni6527_pci_driver={1258291213:0}, LDV_IN_INTERRUPT=1, ni6527_boards={1761608094:0}, ni6527_pci_table={1258291615:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 locations, 3 error locations. Result: UNSAFE, OverallTime: 2.8s, 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, 1.0s 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...