./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 372b228f80480ecd742aef5a3f71ea964394f183115b33b2737cae044422d6a1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:41:41,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:41:41,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:41:41,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:41:41,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:41:41,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:41:41,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:41:41,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:41:41,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:41:41,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:41:41,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:41:41,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:41:41,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:41:41,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:41:41,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:41:41,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:41:41,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:41:41,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:41:41,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:41:41,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:41:41,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:41:41,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:41:41,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:41:41,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:41:41,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:41:41,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:41:41,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:41:41,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:41:41,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:41:41,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:41:41,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:41:41,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:41:41,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:41:41,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:41:41,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:41:41,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:41:41,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:41:41,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:41:41,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:41:41,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:41:41,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:41:41,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:41:41,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:41:41,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:41:41,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:41:41,365 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:41:41,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:41:41,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:41:41,374 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:41:41,375 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:41:41,375 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:41:41,375 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:41:41,377 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:41:41,377 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:41:41,377 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:41:41,378 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:41:41,378 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:41:41,378 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:41:41,379 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:41:41,379 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:41:41,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:41:41,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:41:41,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:41:41,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:41:41,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:41:41,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:41:41,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:41:41,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:41:41,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:41:41,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:41:41,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:41:41,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:41:41,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:41:41,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:41:41,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:41:41,387 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:41:41,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:41:41,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:41:41,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:41:41,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:41:41,388 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 372b228f80480ecd742aef5a3f71ea964394f183115b33b2737cae044422d6a1 [2021-11-23 17:41:41,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:41:41,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:41:41,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:41:41,790 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:41:41,791 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:41:41,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i [2021-11-23 17:41:41,899 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/data/25cc36b7b/4a1ad3978366463b9f1700c8cabcc9a8/FLAG85504a4cb [2021-11-23 17:41:42,896 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:41:42,897 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i [2021-11-23 17:41:42,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/data/25cc36b7b/4a1ad3978366463b9f1700c8cabcc9a8/FLAG85504a4cb [2021-11-23 17:41:43,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/data/25cc36b7b/4a1ad3978366463b9f1700c8cabcc9a8 [2021-11-23 17:41:43,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:41:43,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:41:43,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:41:43,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:41:43,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:41:43,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:41:43" (1/1) ... [2021-11-23 17:41:43,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752c5657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:43, skipping insertion in model container [2021-11-23 17:41:43,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:41:43" (1/1) ... [2021-11-23 17:41:43,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:41:43,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:41:45,284 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_769f7f60-f912-4411-ae23-067de7198479/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i[166121,166134] [2021-11-23 17:41:45,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:41:45,474 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:41:45,884 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_769f7f60-f912-4411-ae23-067de7198479/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i[166121,166134] [2021-11-23 17:41:45,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:41:46,401 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:41:46,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46 WrapperNode [2021-11-23 17:41:46,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:41:46,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:41:46,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:41:46,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:41:46,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,704 INFO L137 Inliner]: procedures = 178, calls = 3223, calls flagged for inlining = 73, calls inlined = 37, statements flattened = 4102 [2021-11-23 17:41:46,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:41:46,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:41:46,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:41:46,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:41:46,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:41:46,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:41:46,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:41:46,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:41:46,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:41:46" (1/1) ... [2021-11-23 17:41:46,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:41:46,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:41:46,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:41:46,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:41:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 17:41:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 17:41:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-11-23 17:41:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-11-23 17:41:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:41:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-23 17:41:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-23 17:41:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-11-23 17:41:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-11-23 17:41:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:41:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:41:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_write [2021-11-23 17:41:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_write [2021-11-23 17:41:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:41:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:41:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:41:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:41:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:41:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_read [2021-11-23 17:41:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_read [2021-11-23 17:41:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:41:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:41:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:41:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 17:41:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 17:41:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:41:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:41:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:41:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83791d_data [2021-11-23 17:41:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83791d_data [2021-11-23 17:41:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:41:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_update_device [2021-11-23 17:41:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_update_device [2021-11-23 17:41:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:41:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-11-23 17:41:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-11-23 17:41:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:41:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2021-11-23 17:41:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2021-11-23 17:41:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83791d_data [2021-11-23 17:41:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83791d_data [2021-11-23 17:41:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2021-11-23 17:41:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2021-11-23 17:41:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:41:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_detect [2021-11-23 17:41:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_detect [2021-11-23 17:41:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:41:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:41:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 17:41:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 17:41:47,686 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:41:47,688 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:41:54,521 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:41:55,111 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:41:55,118 INFO L158 Benchmark]: Toolchain (without parser) took 11813.23ms. Allocated memory was 94.4MB in the beginning and 457.2MB in the end (delta: 362.8MB). Free memory was 50.9MB in the beginning and 244.2MB in the end (delta: -193.3MB). Peak memory consumption was 254.6MB. Max. memory is 16.1GB. [2021-11-23 17:41:55,120 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 65.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:41:55,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3098.44ms. Allocated memory was 94.4MB in the beginning and 195.0MB in the end (delta: 100.7MB). Free memory was 50.9MB in the beginning and 139.1MB in the end (delta: -88.1MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2021-11-23 17:41:55,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 301.05ms. Allocated memory is still 195.0MB. Free memory was 139.1MB in the beginning and 110.8MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 17:41:55,125 INFO L158 Benchmark]: Boogie Preprocessor took 204.20ms. Allocated memory is still 195.0MB. Free memory was 110.8MB in the beginning and 88.5MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 17:41:55,127 INFO L158 Benchmark]: RCFGBuilder took 8204.33ms. Allocated memory was 195.0MB in the beginning and 457.2MB in the end (delta: 262.1MB). Free memory was 87.8MB in the beginning and 244.2MB in the end (delta: -156.4MB). Peak memory consumption was 192.0MB. Max. memory is 16.1GB. [2021-11-23 17:41:55,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 65.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3098.44ms. Allocated memory was 94.4MB in the beginning and 195.0MB in the end (delta: 100.7MB). Free memory was 50.9MB in the beginning and 139.1MB in the end (delta: -88.1MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 301.05ms. Allocated memory is still 195.0MB. Free memory was 139.1MB in the beginning and 110.8MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 204.20ms. Allocated memory is still 195.0MB. Free memory was 110.8MB in the beginning and 88.5MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8204.33ms. Allocated memory was 195.0MB in the beginning and 457.2MB in the end (delta: 262.1MB). Free memory was 87.8MB in the beginning and 244.2MB in the end (delta: -156.4MB). Peak memory consumption was 192.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:41:55,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 372b228f80480ecd742aef5a3f71ea964394f183115b33b2737cae044422d6a1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:41:58,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:41:58,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:41:58,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:41:58,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:41:58,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:41:58,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:41:58,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:41:58,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:41:58,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:41:58,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:41:58,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:41:58,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:41:58,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:41:58,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:41:58,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:41:58,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:41:58,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:41:58,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:41:58,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:41:58,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:41:58,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:41:58,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:41:58,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:41:58,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:41:58,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:41:58,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:41:58,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:41:58,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:41:58,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:41:58,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:41:58,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:41:58,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:41:58,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:41:58,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:41:58,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:41:58,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:41:58,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:41:58,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:41:58,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:41:58,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:41:58,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:41:58,254 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:41:58,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:41:58,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:41:58,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:41:58,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:41:58,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:41:58,258 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:41:58,258 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:41:58,258 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:41:58,259 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:41:58,259 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:41:58,259 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:41:58,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:41:58,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:41:58,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:41:58,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:41:58,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:41:58,262 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:41:58,262 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:41:58,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:41:58,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:41:58,263 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:41:58,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:41:58,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:41:58,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:41:58,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:41:58,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:41:58,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:41:58,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:41:58,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:41:58,266 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:41:58,267 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:41:58,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:41:58,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:41:58,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:41:58,268 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_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 372b228f80480ecd742aef5a3f71ea964394f183115b33b2737cae044422d6a1 [2021-11-23 17:41:58,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:41:58,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:41:58,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:41:58,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:41:58,725 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:41:58,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i [2021-11-23 17:41:58,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/data/fd798d7ea/9a5e65711da145c8a57df314929a6487/FLAGb83eabd4b [2021-11-23 17:42:00,030 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:42:00,031 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i [2021-11-23 17:42:00,091 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/data/fd798d7ea/9a5e65711da145c8a57df314929a6487/FLAGb83eabd4b [2021-11-23 17:42:00,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/data/fd798d7ea/9a5e65711da145c8a57df314929a6487 [2021-11-23 17:42:00,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:42:00,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:42:00,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:42:00,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:42:00,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:42:00,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:42:00" (1/1) ... [2021-11-23 17:42:00,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6abf1a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:00, skipping insertion in model container [2021-11-23 17:42:00,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:42:00" (1/1) ... [2021-11-23 17:42:00,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:42:00,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:42:02,285 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_769f7f60-f912-4411-ae23-067de7198479/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i[166121,166134] [2021-11-23 17:42:02,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:42:02,615 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:42:02,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:42:03,139 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_769f7f60-f912-4411-ae23-067de7198479/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i[166121,166134] [2021-11-23 17:42:03,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:42:03,235 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:42:03,675 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_769f7f60-f912-4411-ae23-067de7198479/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i[166121,166134] [2021-11-23 17:42:03,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:42:04,176 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:42:04,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04 WrapperNode [2021-11-23 17:42:04,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:42:04,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:42:04,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:42:04,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:42:04,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04" (1/1) ... [2021-11-23 17:42:04,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04" (1/1) ... [2021-11-23 17:42:04,645 INFO L137 Inliner]: procedures = 187, calls = 3223, calls flagged for inlining = 73, calls inlined = 37, statements flattened = 3998 [2021-11-23 17:42:04,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:42:04,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:42:04,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:42:04,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:42:04,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04" (1/1) ... [2021-11-23 17:42:04,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04" (1/1) ... [2021-11-23 17:42:04,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04" (1/1) ... [2021-11-23 17:42:04,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04" (1/1) ... [2021-11-23 17:42:04,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04" (1/1) ... [2021-11-23 17:42:04,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04" (1/1) ... [2021-11-23 17:42:04,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04" (1/1) ... [2021-11-23 17:42:05,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:42:05,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:42:05,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:42:05,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:42:05,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04" (1/1) ... [2021-11-23 17:42:05,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:42:05,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:42:05,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:42:05,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:42:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 17:42:05,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 17:42:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:42:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:42:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-11-23 17:42:05,129 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-11-23 17:42:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:42:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 17:42:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-23 17:42:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-23 17:42:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-11-23 17:42:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-11-23 17:42:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:42:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:42:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_write [2021-11-23 17:42:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_write [2021-11-23 17:42:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:42:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:42:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:42:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:42:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_read [2021-11-23 17:42:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_read [2021-11-23 17:42:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:42:05,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:42:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:42:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 17:42:05,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 17:42:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:42:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:42:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:42:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83791d_data [2021-11-23 17:42:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83791d_data [2021-11-23 17:42:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:42:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_update_device [2021-11-23 17:42:05,135 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_update_device [2021-11-23 17:42:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:42:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:42:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 17:42:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:42:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:42:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-11-23 17:42:05,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-11-23 17:42:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:42:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 17:42:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2021-11-23 17:42:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2021-11-23 17:42:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:42:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:42:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:42:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83791d_data [2021-11-23 17:42:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83791d_data [2021-11-23 17:42:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2021-11-23 17:42:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2021-11-23 17:42:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_detect [2021-11-23 17:42:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_detect [2021-11-23 17:42:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:42:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:42:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 17:42:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 17:42:05,651 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:42:05,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:42:23,528 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:42:23,543 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:42:23,543 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:42:23,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:42:23 BoogieIcfgContainer [2021-11-23 17:42:23,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:42:23,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:42:23,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:42:23,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:42:23,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:42:00" (1/3) ... [2021-11-23 17:42:23,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b083760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:42:23, skipping insertion in model container [2021-11-23 17:42:23,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:42:04" (2/3) ... [2021-11-23 17:42:23,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b083760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:42:23, skipping insertion in model container [2021-11-23 17:42:23,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:42:23" (3/3) ... [2021-11-23 17:42:23,555 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i [2021-11-23 17:42:23,561 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:42:23,562 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:42:23,617 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:42:23,625 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:42:23,625 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:42:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 500 states, 370 states have (on average 1.3243243243243243) internal successors, (490), 379 states have internal predecessors, (490), 109 states have call successors, (109), 19 states have call predecessors, (109), 19 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2021-11-23 17:42:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 17:42:23,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:42:23,670 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:42:23,671 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:42:23,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:42:23,677 INFO L85 PathProgramCache]: Analyzing trace with hash -2145267600, now seen corresponding path program 1 times [2021-11-23 17:42:23,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:42:23,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [914794705] [2021-11-23 17:42:23,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:42:23,702 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:42:23,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:42:23,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:42:23,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:42:23,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:42:24,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:42:24,144 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) [2021-11-23 17:42:24,151 INFO L158 Benchmark]: Toolchain (without parser) took 23815.90ms. Allocated memory was 71.3MB in the beginning and 402.7MB in the end (delta: 331.4MB). Free memory was 44.1MB in the beginning and 150.9MB in the end (delta: -106.9MB). Peak memory consumption was 224.6MB. Max. memory is 16.1GB. [2021-11-23 17:42:24,152 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 71.3MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:42:24,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3841.86ms. Allocated memory was 71.3MB in the beginning and 142.6MB in the end (delta: 71.3MB). Free memory was 43.9MB in the beginning and 55.3MB in the end (delta: -11.5MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2021-11-23 17:42:24,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 467.54ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 55.3MB in the beginning and 128.2MB in the end (delta: -72.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:42:24,162 INFO L158 Benchmark]: Boogie Preprocessor took 377.23ms. Allocated memory is still 201.3MB. Free memory was 128.2MB in the beginning and 103.8MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 17:42:24,164 INFO L158 Benchmark]: RCFGBuilder took 18520.14ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 103.8MB in the beginning and 180.3MB in the end (delta: -76.5MB). Peak memory consumption was 162.5MB. Max. memory is 16.1GB. [2021-11-23 17:42:24,165 INFO L158 Benchmark]: TraceAbstraction took 599.97ms. Allocated memory is still 402.7MB. Free memory was 179.3MB in the beginning and 150.9MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 17:42:24,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 71.3MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3841.86ms. Allocated memory was 71.3MB in the beginning and 142.6MB in the end (delta: 71.3MB). Free memory was 43.9MB in the beginning and 55.3MB in the end (delta: -11.5MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 467.54ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 55.3MB in the beginning and 128.2MB in the end (delta: -72.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 377.23ms. Allocated memory is still 201.3MB. Free memory was 128.2MB in the beginning and 103.8MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 18520.14ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 103.8MB in the beginning and 180.3MB in the end (delta: -76.5MB). Peak memory consumption was 162.5MB. Max. memory is 16.1GB. * TraceAbstraction took 599.97ms. Allocated memory is still 402.7MB. Free memory was 179.3MB in the beginning and 150.9MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:42:24,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769f7f60-f912-4411-ae23-067de7198479/bin/utaipan-fb15Y9Yzbl/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable