./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 88f19b088f98626e870666f9633d9e7e34156d2b7ba315c9b1bc3979a22f8d34 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:52:03,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:52:03,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:52:03,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:52:03,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:52:03,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:52:03,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:52:03,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:52:03,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:52:03,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:52:03,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:52:03,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:52:03,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:52:03,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:52:03,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:52:03,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:52:03,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:52:03,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:52:03,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:52:03,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:52:03,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:52:03,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:52:03,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:52:03,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:52:03,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:52:03,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:52:03,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:52:03,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:52:03,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:52:03,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:52:03,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:52:03,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:52:03,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:52:03,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:52:03,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:52:03,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:52:03,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:52:03,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:52:03,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:52:03,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:52:03,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:52:03,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:52:04,001 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:52:04,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:52:04,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:52:04,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:52:04,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:52:04,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:52:04,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:52:04,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:52:04,004 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:52:04,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:52:04,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:52:04,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:52:04,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:52:04,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:52:04,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:52:04,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:52:04,007 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:52:04,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:52:04,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:52:04,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:52:04,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:52:04,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:52:04,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:52:04,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:52:04,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:52:04,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:52:04,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:52:04,009 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:52:04,009 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:52:04,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:52:04,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88f19b088f98626e870666f9633d9e7e34156d2b7ba315c9b1bc3979a22f8d34 [2022-11-02 20:52:04,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:52:04,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:52:04,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:52:04,349 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:52:04,350 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:52:04,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-02 20:52:04,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/data/03984aafd/160b1050540344078f43eaf5c9673fd2/FLAG4ea757152 [2022-11-02 20:52:05,074 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:52:05,075 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-02 20:52:05,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/data/03984aafd/160b1050540344078f43eaf5c9673fd2/FLAG4ea757152 [2022-11-02 20:52:05,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/data/03984aafd/160b1050540344078f43eaf5c9673fd2 [2022-11-02 20:52:05,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:52:05,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:52:05,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:52:05,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:52:05,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:52:05,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:05" (1/1) ... [2022-11-02 20:52:05,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468db55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:05, skipping insertion in model container [2022-11-02 20:52:05,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:05" (1/1) ... [2022-11-02 20:52:05,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:52:05,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:52:05,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i[37767,37780] [2022-11-02 20:52:05,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:52:06,005 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:52:06,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i[37767,37780] [2022-11-02 20:52:06,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:52:06,174 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:52:06,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06 WrapperNode [2022-11-02 20:52:06,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:52:06,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:52:06,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:52:06,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:52:06,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (1/1) ... [2022-11-02 20:52:06,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (1/1) ... [2022-11-02 20:52:06,277 INFO L138 Inliner]: procedures = 83, calls = 176, calls flagged for inlining = 31, calls inlined = 25, statements flattened = 509 [2022-11-02 20:52:06,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:52:06,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:52:06,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:52:06,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:52:06,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (1/1) ... [2022-11-02 20:52:06,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (1/1) ... [2022-11-02 20:52:06,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (1/1) ... [2022-11-02 20:52:06,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (1/1) ... [2022-11-02 20:52:06,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (1/1) ... [2022-11-02 20:52:06,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (1/1) ... [2022-11-02 20:52:06,367 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (1/1) ... [2022-11-02 20:52:06,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (1/1) ... [2022-11-02 20:52:06,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:52:06,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:52:06,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:52:06,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:52:06,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (1/1) ... [2022-11-02 20:52:06,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:52:06,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:06,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:52:06,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:52:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2022-11-02 20:52:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2022-11-02 20:52:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2022-11-02 20:52:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2022-11-02 20:52:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:52:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:52:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:52:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:52:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:52:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:52:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:52:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:52:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:52:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:52:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:52:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-02 20:52:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-02 20:52:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:52:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:52:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:52:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:52:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2022-11-02 20:52:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2022-11-02 20:52:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:52:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:52:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-02 20:52:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-02 20:52:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2022-11-02 20:52:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2022-11-02 20:52:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:52:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2022-11-02 20:52:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2022-11-02 20:52:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:52:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:52:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:52:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2022-11-02 20:52:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2022-11-02 20:52:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:52:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-02 20:52:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-02 20:52:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:52:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:52:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2022-11-02 20:52:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2022-11-02 20:52:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:52:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:52:06,741 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:52:06,743 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:52:07,291 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:52:07,585 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:52:07,600 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:52:07,601 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:52:07,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:07 BoogieIcfgContainer [2022-11-02 20:52:07,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:52:07,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:52:07,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:52:07,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:52:07,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:52:05" (1/3) ... [2022-11-02 20:52:07,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4dea11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:52:07, skipping insertion in model container [2022-11-02 20:52:07,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:06" (2/3) ... [2022-11-02 20:52:07,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4dea11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:52:07, skipping insertion in model container [2022-11-02 20:52:07,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:07" (3/3) ... [2022-11-02 20:52:07,619 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-02 20:52:07,639 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:52:07,640 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:52:07,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:52:07,739 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@d178ab1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:52:07,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:52:07,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 154 states have internal predecessors, (191), 40 states have call successors, (40), 17 states have call predecessors, (40), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-11-02 20:52:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-02 20:52:07,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:07,788 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:07,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:07,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:07,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1866237492, now seen corresponding path program 1 times [2022-11-02 20:52:07,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:07,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927580125] [2022-11-02 20:52:07,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:07,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:08,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:52:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:52:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:52:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:52:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:52:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:52:08,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:52:08,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927580125] [2022-11-02 20:52:08,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927580125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:08,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:08,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:52:08,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085941472] [2022-11-02 20:52:08,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:08,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:52:08,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:52:08,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:52:08,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:52:08,374 INFO L87 Difference]: Start difference. First operand has 206 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 154 states have internal predecessors, (191), 40 states have call successors, (40), 17 states have call predecessors, (40), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:52:08,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:08,752 INFO L93 Difference]: Finished difference Result 453 states and 610 transitions. [2022-11-02 20:52:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:52:08,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 72 [2022-11-02 20:52:08,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:08,767 INFO L225 Difference]: With dead ends: 453 [2022-11-02 20:52:08,767 INFO L226 Difference]: Without dead ends: 228 [2022-11-02 20:52:08,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:52:08,776 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 92 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:08,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 560 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:52:08,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-11-02 20:52:08,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 210. [2022-11-02 20:52:08,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 157 states have (on average 1.267515923566879) internal successors, (199), 158 states have internal predecessors, (199), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-11-02 20:52:08,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 271 transitions. [2022-11-02 20:52:08,851 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 271 transitions. Word has length 72 [2022-11-02 20:52:08,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:08,851 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 271 transitions. [2022-11-02 20:52:08,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:52:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 271 transitions. [2022-11-02 20:52:08,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-02 20:52:08,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:08,856 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:08,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:52:08,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:08,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:08,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1443440411, now seen corresponding path program 1 times [2022-11-02 20:52:08,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:08,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497260946] [2022-11-02 20:52:08,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:08,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:52:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:52:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:52:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-02 20:52:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 20:52:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:09,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:52:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:09,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 20:52:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-02 20:52:09,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:52:09,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497260946] [2022-11-02 20:52:09,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497260946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:09,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:09,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:52:09,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166614522] [2022-11-02 20:52:09,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:09,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:52:09,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:52:09,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:52:09,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:52:09,784 INFO L87 Difference]: Start difference. First operand 210 states and 271 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-02 20:52:10,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:10,296 INFO L93 Difference]: Finished difference Result 440 states and 573 transitions. [2022-11-02 20:52:10,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:52:10,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 96 [2022-11-02 20:52:10,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:10,299 INFO L225 Difference]: With dead ends: 440 [2022-11-02 20:52:10,299 INFO L226 Difference]: Without dead ends: 233 [2022-11-02 20:52:10,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:52:10,302 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 63 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:10,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 860 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:52:10,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-11-02 20:52:10,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 213. [2022-11-02 20:52:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 160 states have (on average 1.2625) internal successors, (202), 161 states have internal predecessors, (202), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-11-02 20:52:10,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2022-11-02 20:52:10,327 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 96 [2022-11-02 20:52:10,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:10,328 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2022-11-02 20:52:10,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-02 20:52:10,328 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2022-11-02 20:52:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-02 20:52:10,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:10,341 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:10,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:52:10,344 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:10,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:10,344 INFO L85 PathProgramCache]: Analyzing trace with hash -375956961, now seen corresponding path program 1 times [2022-11-02 20:52:10,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:10,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684701638] [2022-11-02 20:52:10,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:10,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:52:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:52:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:52:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:52:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:52:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:52:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:52:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 20:52:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 20:52:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 20:52:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:52:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-02 20:52:11,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:52:11,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684701638] [2022-11-02 20:52:11,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684701638] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:52:11,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121071995] [2022-11-02 20:52:11,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:11,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:52:11,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:52:11,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:52:11,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:52:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:11,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-02 20:52:11,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:52:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-02 20:52:11,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:52:11,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121071995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:11,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:52:11,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 9 [2022-11-02 20:52:11,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379342421] [2022-11-02 20:52:11,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:11,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:52:11,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:52:11,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:52:11,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:52:11,617 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-02 20:52:11,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:11,713 INFO L93 Difference]: Finished difference Result 427 states and 553 transitions. [2022-11-02 20:52:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:52:11,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2022-11-02 20:52:11,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:11,719 INFO L225 Difference]: With dead ends: 427 [2022-11-02 20:52:11,720 INFO L226 Difference]: Without dead ends: 215 [2022-11-02 20:52:11,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:52:11,722 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 2 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:11,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1414 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:52:11,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-11-02 20:52:11,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2022-11-02 20:52:11,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 161 states have (on average 1.2608695652173914) internal successors, (203), 163 states have internal predecessors, (203), 36 states have call successors, (36), 16 states have call predecessors, (36), 17 states have return successors, (39), 36 states have call predecessors, (39), 36 states have call successors, (39) [2022-11-02 20:52:11,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 278 transitions. [2022-11-02 20:52:11,754 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 278 transitions. Word has length 122 [2022-11-02 20:52:11,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:11,754 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 278 transitions. [2022-11-02 20:52:11,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-02 20:52:11,755 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 278 transitions. [2022-11-02 20:52:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-02 20:52:11,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:11,757 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:11,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:11,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:52:11,979 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:11,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:11,980 INFO L85 PathProgramCache]: Analyzing trace with hash -59889623, now seen corresponding path program 1 times [2022-11-02 20:52:11,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:11,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084498060] [2022-11-02 20:52:11,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:11,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:52:12,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:52:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:52:12,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:52:12,343 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:52:12,344 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:52:12,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:52:12,350 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-02 20:52:12,355 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:52:12,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:52:12 BoogieIcfgContainer [2022-11-02 20:52:12,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:52:12,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:52:12,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:52:12,543 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:52:12,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:07" (3/4) ... [2022-11-02 20:52:12,548 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:52:12,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:52:12,549 INFO L158 Benchmark]: Toolchain (without parser) took 7250.40ms. Allocated memory was 98.6MB in the beginning and 197.1MB in the end (delta: 98.6MB). Free memory was 57.3MB in the beginning and 132.5MB in the end (delta: -75.2MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-11-02 20:52:12,549 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:52:12,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.34ms. Allocated memory is still 98.6MB. Free memory was 57.0MB in the beginning and 53.3MB in the end (delta: 3.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-02 20:52:12,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.91ms. Allocated memory is still 98.6MB. Free memory was 53.3MB in the beginning and 49.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:52:12,554 INFO L158 Benchmark]: Boogie Preprocessor took 102.48ms. Allocated memory is still 98.6MB. Free memory was 49.1MB in the beginning and 45.2MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:52:12,560 INFO L158 Benchmark]: RCFGBuilder took 1218.41ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 45.2MB in the beginning and 65.5MB in the end (delta: -20.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-11-02 20:52:12,561 INFO L158 Benchmark]: TraceAbstraction took 4934.75ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 64.7MB in the beginning and 132.5MB in the end (delta: -67.8MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2022-11-02 20:52:12,562 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 197.1MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:52:12,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.34ms. Allocated memory is still 98.6MB. Free memory was 57.0MB in the beginning and 53.3MB in the end (delta: 3.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.91ms. Allocated memory is still 98.6MB. Free memory was 53.3MB in the beginning and 49.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.48ms. Allocated memory is still 98.6MB. Free memory was 49.1MB in the beginning and 45.2MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1218.41ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 45.2MB in the beginning and 65.5MB in the end (delta: -20.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4934.75ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 64.7MB in the beginning and 132.5MB in the end (delta: -67.8MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 197.1MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1368]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1174. Possible FailurePath: [L883] int LDV_IN_INTERRUPT = 1; [L884] int ref_cnt ; [L885] int ldv_state_variable_1 ; [L886] struct platform_device *s3c_hwmon_driver_group1 ; [L887] int probed_1 = 0; [L888] int ldv_state_variable_0 ; [L1174-L1176] static struct platform_driver s3c_hwmon_driver = {& s3c_hwmon_probe, & s3c_hwmon_remove, 0, 0, 0, {"s3c-hwmon", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}; [L1192] int ldv_retval_0 ; [L1193] int ldv_retval_1 ; [L1196] int ldv_retval_2 ; [L1421] int ldv_count_1 = 0; [L1422] int ldv_count_2 = 0; VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L1222] int tmp ; [L1223] int tmp___0 ; [L1224] int tmp___1 ; [L1226] FCALL ldv_initialize() [L1227] ldv_state_variable_1 = 0 [L1228] ref_cnt = 0 [L1229] ldv_state_variable_0 = 1 VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L1231] tmp = __VERIFIER_nondet_int() [L1233] case 0: [L1278] case 1: VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}, tmp=1] [L1279] COND TRUE ldv_state_variable_0 != 0 [L1280] tmp___1 = __VERIFIER_nondet_int() [L1282] case 0: [L1290] case 1: VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}, tmp=1, tmp___1=1] [L1291] COND TRUE ldv_state_variable_0 == 1 [L1292] CALL, EXPR s3c_hwmon_init() [L1179] int tmp ; [L1181] CALL, EXPR platform_driver_register(& s3c_hwmon_driver) [L1497] return __VERIFIER_nondet_int(); [L1181] RET, EXPR platform_driver_register(& s3c_hwmon_driver) [L1181] tmp = platform_driver_register(& s3c_hwmon_driver) [L1182] return (tmp); VAL [\result=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}, tmp=0] [L1292] RET, EXPR s3c_hwmon_init() [L1292] ldv_retval_2 = s3c_hwmon_init() [L1293] COND FALSE !(ldv_retval_2 != 0) VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}, tmp=1, tmp___1=1] [L1298] COND TRUE ldv_retval_2 == 0 [L1299] ldv_state_variable_0 = 2 [L1300] ldv_state_variable_1 = 1 [L1301] CALL ldv_platform_driver_init_1() [L1212] void *tmp ; VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L1214] CALL, EXPR ldv_malloc(624U) VAL [\old(size)=624, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L807] void *p ; [L808] void *tmp ; [L809] int tmp___0 ; [L811] tmp___0 = __VERIFIER_nondet_int() [L812] COND FALSE !(tmp___0 != 0) [L815] tmp = malloc(size) [L816] p = tmp VAL [\old(size)=624, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, p={-18446744073709551615:0}, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}, size=624, tmp={-18446744073709551615:0}, tmp___0=0] [L817] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L801] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={4294967304:4294967299}, cond=1, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L817] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=624, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, p={-18446744073709551615:0}, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}, size=624, tmp={-18446744073709551615:0}, tmp___0=0] [L818] CALL, EXPR IS_ERR(p) VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709551615:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L1334] bool tmp ; VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L1336] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709551615:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L1388] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L1336] RET, EXPR ldv_is_err(ptr) VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L1336] tmp = ldv_is_err(ptr) [L1337] return ((long )tmp); VAL [\result=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}, tmp=0] [L818] RET, EXPR IS_ERR(p) VAL [\old(size)=624, __this_module={4294967304:4294967299}, IS_ERR(p)=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, p={-18446744073709551615:0}, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}, size=624, tmp={-18446744073709551615:0}, tmp___0=0] [L818] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L801] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={4294967304:4294967299}, cond=1, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L818] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=624, __this_module={4294967304:4294967299}, IS_ERR(p)=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, p={-18446744073709551615:0}, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}, size=624, tmp={-18446744073709551615:0}, tmp___0=0] [L819] return (p); VAL [\old(size)=624, \result={-18446744073709551615:0}, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, p={-18446744073709551615:0}, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}, size=624, tmp={-18446744073709551615:0}, tmp___0=0] [L1214] RET, EXPR ldv_malloc(624U) VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_malloc(624U)={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L1214] tmp = ldv_malloc(624U) [L1215] CALL assume_abort_if_not((unsigned long )tmp != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L801] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={4294967304:4294967299}, cond=1, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}] [L1215] RET assume_abort_if_not((unsigned long )tmp != (unsigned long )((void *)0)) VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={0:0}, tmp={-18446744073709551615:0}] [L1216] s3c_hwmon_driver_group1 = (struct platform_device *)tmp VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp={-18446744073709551615:0}] [L1301] RET ldv_platform_driver_init_1() [L1231] tmp = __VERIFIER_nondet_int() [L1233] case 0: VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp=0, tmp___1=1] [L1234] COND TRUE ldv_state_variable_1 != 0 [L1235] tmp___0 = __VERIFIER_nondet_int() [L1237] case 0: VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp=0, tmp___0=0, tmp___1=1] [L1238] COND TRUE ldv_state_variable_1 == 1 VAL [__this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp=0, tmp___0=0, tmp___1=1] [L1239] CALL s3c_hwmon_probe(s3c_hwmon_driver_group1) VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1042] struct s3c_hwmon_pdata *pdata ; [L1043] struct s3c_hwmon *hwmon ; [L1044] int ret ; [L1045] int i ; [L1046] void *tmp ; [L1047] struct lock_class_key __key ; [L1048] long tmp___0 ; [L1049] long tmp___1 ; [L1050] long tmp___2 ; [L1051] long tmp___3 ; [L1052] struct s3c_hwmon_chcfg *cfg ; [L1054] EXPR dev->dev.platform_data [L1054] pdata = (struct s3c_hwmon_pdata *)dev->dev.platform_data [L1055] ret = 0 VAL [\old(ldv_count_2)=0, __key={22:0}, __this_module={4294967304:4294967299}, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, pdata={-22:23}, probed_1=0, ref_cnt=0, ret=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1056] COND FALSE !((unsigned long )pdata == (unsigned long )((struct s3c_hwmon_pdata *)0)) [L1061] CALL, EXPR ldv_kzalloc_9(800U, 208U) [L1358] void *tmp ; [L1360] CALL, EXPR ldv_zalloc(size) [L825] void *p ; [L826] void *tmp ; [L827] int tmp___0 ; [L829] tmp___0 = __VERIFIER_nondet_int() [L830] COND FALSE !(tmp___0 != 0) [L833] EXPR, FCALL calloc(1U, size) VAL [\old(ldv_count_2)=0, \old(size)=800, __this_module={4294967304:4294967299}, calloc(1U, size)={-18446744073709549604:0}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, size=800, tmp___0=0] [L833] tmp = calloc(1U, size) [L834] p = tmp VAL [\old(ldv_count_2)=0, \old(size)=800, __this_module={4294967304:4294967299}, calloc(1U, size)={-18446744073709549604:0}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, p={-18446744073709549604:0}, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, size=800, tmp={-18446744073709549604:0}, tmp___0=0] [L835] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L801] COND FALSE !(!cond) VAL [\old(cond)=1, \old(ldv_count_2)=0, __this_module={4294967304:4294967299}, cond=1, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L835] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(ldv_count_2)=0, \old(size)=800, __this_module={4294967304:4294967299}, calloc(1U, size)={-18446744073709549604:0}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, p={-18446744073709549604:0}, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, size=800, tmp={-18446744073709549604:0}, tmp___0=0] [L836] CALL, EXPR IS_ERR(p) VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709549604:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1334] bool tmp ; VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1336] CALL, EXPR ldv_is_err(ptr) VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709549604:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1388] return ((unsigned long )ptr > 2012UL); VAL [\old(ldv_count_2)=0, \result=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1336] RET, EXPR ldv_is_err(ptr) VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1336] tmp = ldv_is_err(ptr) [L1337] return ((long )tmp); VAL [\old(ldv_count_2)=0, \result=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp=0] [L836] RET, EXPR IS_ERR(p) VAL [\old(ldv_count_2)=0, \old(size)=800, __this_module={4294967304:4294967299}, calloc(1U, size)={-18446744073709549604:0}, IS_ERR(p)=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, p={-18446744073709549604:0}, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, size=800, tmp={-18446744073709549604:0}, tmp___0=0] [L836] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, \old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L801] COND FALSE !(!cond) VAL [\old(cond)=1, \old(ldv_count_2)=0, __this_module={4294967304:4294967299}, cond=1, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L836] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(ldv_count_2)=0, \old(size)=800, __this_module={4294967304:4294967299}, calloc(1U, size)={-18446744073709549604:0}, IS_ERR(p)=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, p={-18446744073709549604:0}, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, size=800, tmp={-18446744073709549604:0}, tmp___0=0] [L837] return (p); VAL [\old(ldv_count_2)=0, \old(size)=800, \result={-18446744073709549604:0}, __this_module={4294967304:4294967299}, calloc(1U, size)={-18446744073709549604:0}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, p={-18446744073709549604:0}, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, size=800, tmp={-18446744073709549604:0}, tmp___0=0] [L1360] RET, EXPR ldv_zalloc(size) [L1360] tmp = ldv_zalloc(size) [L1361] return (tmp); VAL [\old(flags)=208, \old(ldv_count_2)=0, \old(size)=800, \result={-18446744073709549604:0}, __this_module={4294967304:4294967299}, flags=208, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, size=800, tmp={-18446744073709549604:0}] [L1061] RET, EXPR ldv_kzalloc_9(800U, 208U) [L1061] tmp = ldv_kzalloc_9(800U, 208U) [L1062] hwmon = (struct s3c_hwmon *)tmp VAL [\old(ldv_count_2)=0, __key={22:0}, __this_module={4294967304:4294967299}, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, hwmon={-18446744073709549604:0}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, pdata={-22:23}, probed_1=0, ref_cnt=0, ret=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp={-18446744073709549604:0}] [L1063] COND FALSE !((unsigned long )hwmon == (unsigned long )((struct s3c_hwmon *)0)) [L1068] CALL platform_set_drvdata(dev, (void *)hwmon) [L906] FCALL dev_set_drvdata(& pdev->dev, data) [L1068] RET platform_set_drvdata(dev, (void *)hwmon) [L1069] FCALL __mutex_init(& hwmon->lock, "&hwmon->lock", & __key) [L1070-L1072] CALL, EXPR s3c_adc_register(dev, (void (*)(struct s3c_adc_client * , unsigned int ))0, (void (*)(struct s3c_adc_client * , unsigned int , unsigned int , unsigned int * ))0, 0U) [L1507] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_count_2)=0, \old(size)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L807] void *p ; [L808] void *tmp ; [L809] int tmp___0 ; [L811] tmp___0 = __VERIFIER_nondet_int() [L812] COND TRUE tmp___0 != 0 [L813] return ((void *)0); VAL [\old(ldv_count_2)=0, \old(size)=0, \result={0:0}, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, size=0, tmp___0=-2] [L1507] RET, EXPR ldv_malloc(0UL) VAL [\old(arg3)=0, \old(ldv_count_2)=0, __this_module={4294967304:4294967299}, arg0={-18446744073709551615:0}, arg0={-18446744073709551615:0}, arg1={0:0}, arg1={0:0}, arg2={0:0}, arg2={0:0}, arg3=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1507] return ldv_malloc(0UL); [L1070-L1072] RET, EXPR s3c_adc_register(dev, (void (*)(struct s3c_adc_client * , unsigned int ))0, (void (*)(struct s3c_adc_client * , unsigned int , unsigned int , unsigned int * ))0, 0U) [L1070-L1072] hwmon->client = s3c_adc_register(dev, (void (*)(struct s3c_adc_client * , unsigned int ))0, (void (*)(struct s3c_adc_client * , unsigned int , unsigned int , unsigned int * ))0, 0U) [L1073] EXPR hwmon->client VAL [\old(ldv_count_2)=0, __key={22:0}, __this_module={4294967304:4294967299}, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, hwmon={-18446744073709549604:0}, hwmon->client={0:0}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, pdata={-22:23}, probed_1=0, ref_cnt=0, ret=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp={-18446744073709549604:0}] [L1073] CALL, EXPR IS_ERR((void const *)hwmon->client) VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1334] bool tmp ; VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1336] CALL, EXPR ldv_is_err(ptr) VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1388] return ((unsigned long )ptr > 2012UL); VAL [\old(ldv_count_2)=0, \result=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1336] RET, EXPR ldv_is_err(ptr) VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1336] tmp = ldv_is_err(ptr) [L1337] return ((long )tmp); VAL [\old(ldv_count_2)=0, \result=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp=0] [L1073] RET, EXPR IS_ERR((void const *)hwmon->client) VAL [\old(ldv_count_2)=0, __key={22:0}, __this_module={4294967304:4294967299}, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, hwmon={-18446744073709549604:0}, hwmon->client={0:0}, IS_ERR((void const *)hwmon->client)=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, pdata={-22:23}, probed_1=0, ref_cnt=0, ret=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp={-18446744073709549604:0}] [L1073] tmp___1 = IS_ERR((void const *)hwmon->client) [L1074] COND FALSE !(tmp___1 != 0L) [L1081] CALL, EXPR s3c_hwmon_add_raw(& dev->dev) [L937] return (0); VAL [\old(ldv_count_2)=0, \result=0, __this_module={4294967304:4294967299}, dev={-18446744073709551615:12}, dev={-18446744073709551615:12}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1081] RET, EXPR s3c_hwmon_add_raw(& dev->dev) [L1081] ret = s3c_hwmon_add_raw(& dev->dev) [L1082] COND FALSE !(ret != 0) [L1086] CALL, EXPR hwmon_device_register(& dev->dev) [L1480] CALL, EXPR ldv_malloc(sizeof(struct device)) VAL [\old(ldv_count_2)=0, \old(size)=1003, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L807] void *p ; [L808] void *tmp ; [L809] int tmp___0 ; [L811] tmp___0 = __VERIFIER_nondet_int() [L812] COND TRUE tmp___0 != 0 [L813] return ((void *)0); VAL [\old(ldv_count_2)=0, \old(size)=1003, \result={0:0}, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, size=1003, tmp___0=-3] [L1480] RET, EXPR ldv_malloc(sizeof(struct device)) VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, arg0={-18446744073709551615:12}, arg0={-18446744073709551615:12}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct device))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1480] return ldv_malloc(sizeof(struct device)); [L1086] RET, EXPR hwmon_device_register(& dev->dev) [L1086] hwmon->hwmon_dev = hwmon_device_register(& dev->dev) [L1087] EXPR hwmon->hwmon_dev VAL [\old(ldv_count_2)=0, __key={22:0}, __this_module={4294967304:4294967299}, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, hwmon={-18446744073709549604:0}, hwmon->hwmon_dev={0:0}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, pdata={-22:23}, probed_1=0, ref_cnt=0, ret=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp={-18446744073709549604:0}, tmp___1=0] [L1087] CALL, EXPR IS_ERR((void const *)hwmon->hwmon_dev) VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1334] bool tmp ; VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1336] CALL, EXPR ldv_is_err(ptr) VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1388] return ((unsigned long )ptr > 2012UL); VAL [\old(ldv_count_2)=0, \result=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1336] RET, EXPR ldv_is_err(ptr) VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1336] tmp = ldv_is_err(ptr) [L1337] return ((long )tmp); VAL [\old(ldv_count_2)=0, \result=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp=0] [L1087] RET, EXPR IS_ERR((void const *)hwmon->hwmon_dev) VAL [\old(ldv_count_2)=0, __key={22:0}, __this_module={4294967304:4294967299}, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, hwmon={-18446744073709549604:0}, hwmon->hwmon_dev={0:0}, IS_ERR((void const *)hwmon->hwmon_dev)=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, pdata={-22:23}, probed_1=0, ref_cnt=0, ret=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp={-18446744073709549604:0}, tmp___1=0] [L1087] tmp___3 = IS_ERR((void const *)hwmon->hwmon_dev) [L1088] COND FALSE !(tmp___3 != 0L) [L1095] i = 0 VAL [\old(ldv_count_2)=0, __key={22:0}, __this_module={4294967304:4294967299}, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, hwmon={-18446744073709549604:0}, i=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, pdata={-22:23}, probed_1=0, ref_cnt=0, ret=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp={-18446744073709549604:0}, tmp___1=0, tmp___3=0] [L1134] COND TRUE (unsigned int )i <= 7U VAL [\old(ldv_count_2)=0, __key={22:0}, __this_module={4294967304:4294967299}, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, hwmon={-18446744073709549604:0}, i=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, pdata={-22:23}, probed_1=0, ref_cnt=0, ret=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp={-18446744073709549604:0}, tmp___1=0, tmp___3=0] [L1098] EXPR pdata->in[i] [L1098] cfg = pdata->in[i] [L1099] COND FALSE !((unsigned long )cfg == (unsigned long )((struct s3c_hwmon_chcfg *)0)) [L1103] EXPR cfg->mult VAL [\old(ldv_count_2)=0, __key={22:0}, __this_module={4294967304:4294967299}, cfg={26:-25}, cfg->mult=65536, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, hwmon={-18446744073709549604:0}, i=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, pdata={-22:23}, probed_1=0, ref_cnt=0, ret=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp={-18446744073709549604:0}, tmp___1=0, tmp___3=0] [L1103] COND TRUE cfg->mult > 65535U [L1108] EXPR cfg->div VAL [\old(ldv_count_2)=0, __key={22:0}, __this_module={4294967304:4294967299}, cfg={26:-25}, cfg->div=4294967297, dev={-18446744073709551615:0}, dev={-18446744073709551615:0}, hwmon={-18446744073709549604:0}, i=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, pdata={-22:23}, probed_1=0, ref_cnt=0, ret=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp={-18446744073709549604:0}, tmp___1=0, tmp___3=0] [L1108] COND FALSE !(cfg->div == 0U) [L1113] EXPR pdata->in[i] [L1113-L1114] CALL s3c_hwmon_create_attr(& dev->dev, pdata->in[i], (struct s3c_hwmon_attr *)(& hwmon->attrs) + (unsigned int )i, i) [L999] struct sensor_device_attribute *attr ; [L1000] int ret ; [L1003] attr = & attrs->in [L1004] attr->index = channel [L1005] attr->dev_attr.attr.name = (char const *)(& attrs->in_name) [L1006] attr->dev_attr.attr.mode = 292U [L1007] attr->dev_attr.show = & s3c_hwmon_ch_show [L1008] CALL ldv_device_create_file_7(dev, (struct device_attribute const *)(& attr->dev_attr)) [L1342] int tmp ; VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, ldv_func_arg1={-18446744073709551615:12}, ldv_func_arg1={-18446744073709551615:12}, ldv_func_arg2={-18446744073709549604:168}, ldv_func_arg2={-18446744073709549604:168}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1344] CALL ldv_device_create_file() VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1432] int nondetermined ; [L1433] int tmp ; VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1435] CALL, EXPR ldv_undef_int() VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L862] int tmp ; [L864] tmp = __VERIFIER_nondet_int() [L865] return (tmp); VAL [\old(ldv_count_2)=0, \result=28, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}, tmp=28] [L1435] RET, EXPR ldv_undef_int() VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_undef_int()=28, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1435] nondetermined = ldv_undef_int() [L1436] COND TRUE nondetermined != 0 [L1437] ldv_count_2 = ldv_count_2 + 1 VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, nondetermined=28, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] [L1438] COND TRUE ldv_count_1 < ldv_count_2 [L1439] CALL ldv_error() [L1368] reach_error() VAL [\old(ldv_count_2)=0, __this_module={4294967304:4294967299}, ldv_count_1=0, ldv_count_2=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=1, probed_1=0, ref_cnt=0, s3c_hwmon_driver={20:0}, s3c_hwmon_driver_group1={-18446744073709551615:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 157 mSDsluCounter, 2834 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2103 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 523 IncrementalHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 731 mSDtfsCounter, 523 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 38 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 555 NumberOfCodeBlocks, 555 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 408 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 3 NumberOfNonLiveVariables, 900 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 124/134 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 [2022-11-02 20:52:12,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 88f19b088f98626e870666f9633d9e7e34156d2b7ba315c9b1bc3979a22f8d34 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:52:15,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:52:15,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:52:15,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:52:15,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:52:15,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:52:15,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:52:15,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:52:15,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:52:15,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:52:15,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:52:15,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:52:15,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:52:15,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:52:15,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:52:15,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:52:15,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:52:15,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:52:15,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:52:15,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:52:15,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:52:15,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:52:15,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:52:15,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:52:15,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:52:15,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:52:15,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:52:15,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:52:15,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:52:15,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:52:15,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:52:15,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:52:15,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:52:15,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:52:15,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:52:15,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:52:15,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:52:15,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:52:15,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:52:15,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:52:15,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:52:15,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:52:15,156 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:52:15,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:52:15,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:52:15,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:52:15,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:52:15,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:52:15,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:52:15,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:52:15,161 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:52:15,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:52:15,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:52:15,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:52:15,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:52:15,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:52:15,163 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:52:15,163 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:52:15,163 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:52:15,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:52:15,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:52:15,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:52:15,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:52:15,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:52:15,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:52:15,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:52:15,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:52:15,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:52:15,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:52:15,166 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:52:15,166 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:52:15,166 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:52:15,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:52:15,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:52:15,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:52:15,167 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88f19b088f98626e870666f9633d9e7e34156d2b7ba315c9b1bc3979a22f8d34 [2022-11-02 20:52:15,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:52:15,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:52:15,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:52:15,564 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:52:15,564 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:52:15,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-02 20:52:15,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/data/c2dee82b3/79cfaed81cdd4e70b78c7abc140f7038/FLAG7017ee28e [2022-11-02 20:52:16,329 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:52:16,330 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-02 20:52:16,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/data/c2dee82b3/79cfaed81cdd4e70b78c7abc140f7038/FLAG7017ee28e [2022-11-02 20:52:16,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43db459b-b786-4697-8de2-1a6f735edc65/bin/uautomizer-Dbtcem3rbc/data/c2dee82b3/79cfaed81cdd4e70b78c7abc140f7038 [2022-11-02 20:52:16,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:52:16,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:52:16,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:52:16,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:52:16,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:52:16,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:16" (1/1) ... [2022-11-02 20:52:16,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae2b5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:16, skipping insertion in model container [2022-11-02 20:52:16,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:16" (1/1) ... [2022-11-02 20:52:16,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:52:16,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:52:17,146 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: cannot determine size of incomplete type at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:203) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:121) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:993) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:961) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1447) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1390) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1074) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1074) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2354) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-02 20:52:17,151 INFO L158 Benchmark]: Toolchain (without parser) took 550.99ms. Allocated memory is still 75.5MB. Free memory was 49.4MB in the beginning and 51.7MB in the end (delta: -2.3MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-11-02 20:52:17,152 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:52:17,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.26ms. Allocated memory is still 75.5MB. Free memory was 49.2MB in the beginning and 51.7MB in the end (delta: -2.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-11-02 20:52:17,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.26ms. Allocated memory is still 75.5MB. Free memory was 49.2MB in the beginning and 51.7MB in the end (delta: -2.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: cannot determine size of incomplete type: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type