./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN --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 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 --- 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-6b4ec56 [2022-11-20 12:27:24,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:27:24,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:27:24,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:27:24,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:27:24,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:27:24,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:27:24,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:27:24,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:27:24,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:27:24,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:27:24,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:27:24,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:27:24,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:27:24,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:27:24,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:27:24,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:27:24,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:27:24,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:27:24,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:27:24,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:27:24,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:27:24,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:27:24,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:27:24,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:27:24,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:27:24,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:27:24,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:27:24,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:27:24,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:27:24,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:27:24,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:27:24,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:27:24,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:27:24,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:27:24,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:27:24,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:27:24,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:27:24,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:27:24,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:27:24,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:27:24,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:27:24,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:27:24,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:27:24,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:27:24,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:27:24,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:27:24,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:27:24,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:27:24,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:27:24,290 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:27:24,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:27:24,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:27:24,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:27:24,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:27:24,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:27:24,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:27:24,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:27:24,291 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:27:24,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:27:24,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:27:24,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:27:24,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:27:24,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:27:24,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:27:24,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:27:24,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:27:24,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:27:24,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:27:24,294 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:27:24,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:27:24,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:27:24,294 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_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 [2022-11-20 12:27:24,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:27:24,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:27:24,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:27:24,623 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:27:24,624 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:27:24,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-20 12:27:27,749 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:27:28,551 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:27:28,551 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-20 12:27:28,643 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/data/3feeea227/8f16cffc381e4b67ad150869ba1407d5/FLAGd1bd04c44 [2022-11-20 12:27:28,663 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/data/3feeea227/8f16cffc381e4b67ad150869ba1407d5 [2022-11-20 12:27:28,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:27:28,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:27:28,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:27:28,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:27:28,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:27:28,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:27:28" (1/1) ... [2022-11-20 12:27:28,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1badd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:28, skipping insertion in model container [2022-11-20 12:27:28,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:27:28" (1/1) ... [2022-11-20 12:27:28,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:27:28,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:27:29,802 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) 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:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) 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:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) 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:1087) 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:1489) 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:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-11-20 12:27:29,813 INFO L158 Benchmark]: Toolchain (without parser) took 1140.49ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 58.2MB in the beginning and 95.9MB in the end (delta: -37.7MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-11-20 12:27:29,813 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory was 84.3MB in the beginning and 84.3MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:27:29,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1135.23ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 58.2MB in the beginning and 95.9MB in the end (delta: -37.7MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-11-20 12:27:29,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory was 84.3MB in the beginning and 84.3MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1135.23ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 58.2MB in the beginning and 95.9MB in the end (delta: -37.7MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN --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 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 --- 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-6b4ec56 [2022-11-20 12:27:32,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:27:32,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:27:32,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:27:32,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:27:32,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:27:32,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:27:32,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:27:32,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:27:32,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:27:32,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:27:32,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:27:32,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:27:32,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:27:32,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:27:32,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:27:32,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:27:32,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:27:32,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:27:32,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:27:32,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:27:32,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:27:32,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:27:32,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:27:32,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:27:32,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:27:32,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:27:32,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:27:32,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:27:32,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:27:32,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:27:32,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:27:32,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:27:32,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:27:32,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:27:32,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:27:32,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:27:32,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:27:32,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:27:32,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:27:32,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:27:32,248 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:27:32,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:27:32,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:27:32,289 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:27:32,289 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:27:32,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:27:32,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:27:32,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:27:32,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:27:32,292 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:27:32,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:27:32,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:27:32,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:27:32,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:27:32,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:27:32,294 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:27:32,295 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:27:32,295 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:27:32,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:27:32,295 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:27:32,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:27:32,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:27:32,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:27:32,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:27:32,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:27:32,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:27:32,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:27:32,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:27:32,297 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:27:32,298 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:27:32,298 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:27:32,298 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:27:32,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:27:32,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:27:32,299 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_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 [2022-11-20 12:27:32,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:27:32,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:27:32,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:27:32,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:27:32,717 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:27:32,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-20 12:27:35,751 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:27:36,547 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:27:36,548 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-20 12:27:36,639 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/data/96fc7a5bd/a155519ea49940a98985d62fc3f7ea41/FLAGebc35f474 [2022-11-20 12:27:36,657 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/data/96fc7a5bd/a155519ea49940a98985d62fc3f7ea41 [2022-11-20 12:27:36,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:27:36,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:27:36,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:27:36,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:27:36,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:27:36,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:27:36" (1/1) ... [2022-11-20 12:27:36,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59825d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:36, skipping insertion in model container [2022-11-20 12:27:36,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:27:36" (1/1) ... [2022-11-20 12:27:36,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:27:36,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:27:42,506 WARN L237 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_440d7edf-6370-4752-8035-bb36d380156d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-11-20 12:27:42,509 WARN L237 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_440d7edf-6370-4752-8035-bb36d380156d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-11-20 12:27:42,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:27:42,585 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:27:42,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:27:43,378 WARN L237 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_440d7edf-6370-4752-8035-bb36d380156d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-11-20 12:27:43,379 WARN L237 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_440d7edf-6370-4752-8035-bb36d380156d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-11-20 12:27:43,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:27:43,426 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:27:44,086 WARN L237 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_440d7edf-6370-4752-8035-bb36d380156d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-11-20 12:27:44,087 WARN L237 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_440d7edf-6370-4752-8035-bb36d380156d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-11-20 12:27:44,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:27:44,438 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:27:44,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44 WrapperNode [2022-11-20 12:27:44,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:27:44,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:27:44,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:27:44,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:27:44,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (1/1) ... [2022-11-20 12:27:44,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (1/1) ... [2022-11-20 12:27:44,935 INFO L138 Inliner]: procedures = 711, calls = 4163, calls flagged for inlining = 369, calls inlined = 343, statements flattened = 9950 [2022-11-20 12:27:44,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:27:44,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:27:44,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:27:44,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:27:44,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (1/1) ... [2022-11-20 12:27:44,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (1/1) ... [2022-11-20 12:27:45,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (1/1) ... [2022-11-20 12:27:45,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (1/1) ... [2022-11-20 12:27:45,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (1/1) ... [2022-11-20 12:27:45,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (1/1) ... [2022-11-20 12:27:45,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (1/1) ... [2022-11-20 12:27:45,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (1/1) ... [2022-11-20 12:27:45,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:27:45,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:27:45,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:27:45,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:27:45,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (1/1) ... [2022-11-20 12:27:45,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:27:45,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:45,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:45,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:27:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 12:27:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 12:27:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-20 12:27:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-20 12:27:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-11-20 12:27:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-11-20 12:27:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-20 12:27:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-20 12:27:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-11-20 12:27:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-11-20 12:27:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 12:27:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 12:27:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 12:27:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 12:27:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-20 12:27:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-20 12:27:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:27:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:27:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-11-20 12:27:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-11-20 12:27:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 12:27:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 12:27:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 12:27:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 12:27:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 12:27:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 12:27:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-11-20 12:27:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-11-20 12:27:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 12:27:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 12:27:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 12:27:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 12:27:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-11-20 12:27:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-11-20 12:27:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-11-20 12:27:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-11-20 12:27:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-11-20 12:27:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-11-20 12:27:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 12:27:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 12:27:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 12:27:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 12:27:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 12:27:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 12:27:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 12:27:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 12:27:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 12:27:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 12:27:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 12:27:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 12:27:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 12:27:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 12:27:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-20 12:27:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-20 12:27:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 12:27:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 12:27:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:27:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 12:27:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 12:27:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-11-20 12:27:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-11-20 12:27:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 12:27:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:27:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:27:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:27:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-20 12:27:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-20 12:27:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 12:27:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 12:27:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-11-20 12:27:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-11-20 12:27:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 12:27:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 12:27:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_110 [2022-11-20 12:27:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_110 [2022-11-20 12:27:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-11-20 12:27:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-11-20 12:27:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-11-20 12:27:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-11-20 12:27:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-11-20 12:27:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-11-20 12:27:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-11-20 12:27:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-11-20 12:27:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 12:27:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 12:27:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 12:27:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 12:27:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-11-20 12:27:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-11-20 12:27:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 12:27:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 12:27:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 12:27:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 12:27:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 12:27:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 12:27:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 12:27:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 12:27:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 12:27:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 12:27:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 12:27:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 12:27:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 12:27:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 12:27:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 12:27:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 12:27:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 12:27:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 12:27:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 12:27:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 12:27:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 12:27:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 12:27:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-11-20 12:27:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-11-20 12:27:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:27:45,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 12:27:45,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 12:27:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 12:27:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 12:27:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 12:27:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 12:27:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-20 12:27:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-20 12:27:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:27:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 12:27:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 12:27:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 12:27:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 12:27:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 12:27:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 12:27:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:27:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-11-20 12:27:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-11-20 12:27:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-20 12:27:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-20 12:27:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 12:27:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:27:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 12:27:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:27:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:27:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:27:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-20 12:27:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-20 12:27:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-20 12:27:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-20 12:27:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 12:27:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 12:27:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-20 12:27:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-20 12:27:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 12:27:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 12:27:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-11-20 12:27:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-11-20 12:27:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-11-20 12:27:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-11-20 12:27:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 12:27:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 12:27:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 12:27:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 12:27:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 12:27:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 12:27:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-11-20 12:27:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-11-20 12:27:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 12:27:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 12:27:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-11-20 12:27:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-11-20 12:27:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-20 12:27:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-20 12:27:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-11-20 12:27:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-11-20 12:27:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-11-20 12:27:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-11-20 12:27:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-11-20 12:27:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-11-20 12:27:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 12:27:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 12:27:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 12:27:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 12:27:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:27:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-11-20 12:27:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-11-20 12:27:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-11-20 12:27:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-11-20 12:27:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-11-20 12:27:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-11-20 12:27:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-11-20 12:27:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-11-20 12:27:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:27:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:27:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 12:27:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 12:27:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-20 12:27:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-20 12:27:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:27:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 12:27:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 12:27:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:27:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:27:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:27:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:27:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:27:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:27:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:27:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 12:27:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 12:27:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-11-20 12:27:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-11-20 12:27:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 12:27:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 12:27:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 12:27:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 12:27:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-11-20 12:27:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-11-20 12:27:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-11-20 12:27:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-11-20 12:27:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 12:27:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 12:27:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-20 12:27:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-20 12:27:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 12:27:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 12:27:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-11-20 12:27:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-11-20 12:27:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-11-20 12:27:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-11-20 12:27:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 12:27:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 12:27:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 12:27:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 12:27:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-11-20 12:27:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-11-20 12:27:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 12:27:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 12:27:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-11-20 12:27:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-11-20 12:27:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-20 12:27:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-20 12:27:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 12:27:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 12:27:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:27:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 12:27:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 12:27:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-11-20 12:27:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-11-20 12:27:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_118 [2022-11-20 12:27:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_118 [2022-11-20 12:27:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-11-20 12:27:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-11-20 12:27:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 12:27:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 12:27:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:27:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-11-20 12:27:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-11-20 12:27:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 12:27:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 12:27:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:27:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:27:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-11-20 12:27:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-11-20 12:27:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:27:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2022-11-20 12:27:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2022-11-20 12:27:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:27:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:27:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 12:27:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 12:27:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-11-20 12:27:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-11-20 12:27:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 12:27:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 12:27:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 12:27:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 12:27:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-11-20 12:27:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-11-20 12:27:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 12:27:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 12:27:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 12:27:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 12:27:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 12:27:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 12:27:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-11-20 12:27:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-11-20 12:27:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-20 12:27:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-20 12:27:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-11-20 12:27:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-11-20 12:27:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-11-20 12:27:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-11-20 12:27:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-11-20 12:27:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-11-20 12:27:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 12:27:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 12:27:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 12:27:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 12:27:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-20 12:27:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-20 12:27:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-20 12:27:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-20 12:27:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-20 12:27:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-20 12:27:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:27:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:27:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-11-20 12:27:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-11-20 12:27:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 12:27:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 12:27:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-11-20 12:27:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-11-20 12:27:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-11-20 12:27:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-11-20 12:27:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 12:27:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 12:27:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 12:27:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 12:27:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-11-20 12:27:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-11-20 12:27:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-11-20 12:27:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-11-20 12:27:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:27:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 12:27:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:27:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:27:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:27:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:27:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 12:27:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 12:27:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 12:27:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 12:27:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-11-20 12:27:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-11-20 12:27:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 12:27:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 12:27:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-11-20 12:27:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-11-20 12:27:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-11-20 12:27:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-11-20 12:27:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-20 12:27:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-20 12:27:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-11-20 12:27:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-11-20 12:27:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 12:27:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 12:27:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 12:27:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 12:27:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-11-20 12:27:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-11-20 12:27:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-11-20 12:27:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-11-20 12:27:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-20 12:27:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-20 12:27:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-20 12:27:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-20 12:27:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 12:27:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 12:27:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-11-20 12:27:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-11-20 12:27:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 12:27:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 12:27:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_109 [2022-11-20 12:27:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_109 [2022-11-20 12:27:47,101 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:27:47,109 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:27:47,655 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:28:52,258 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 12:28:52,540 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:28:52,576 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:28:52,576 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:28:52,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:28:52 BoogieIcfgContainer [2022-11-20 12:28:52,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:28:52,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:28:52,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:28:52,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:28:52,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:27:36" (1/3) ... [2022-11-20 12:28:52,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bbc667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:28:52, skipping insertion in model container [2022-11-20 12:28:52,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:27:44" (2/3) ... [2022-11-20 12:28:52,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bbc667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:28:52, skipping insertion in model container [2022-11-20 12:28:52,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:28:52" (3/3) ... [2022-11-20 12:28:52,603 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-20 12:28:52,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:28:52,623 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:28:52,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:28:52,780 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;@2d3c5cec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:28:52,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:28:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 4041 states, 2732 states have (on average 1.2657393850658858) internal successors, (3458), 2769 states have internal predecessors, (3458), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) [2022-11-20 12:28:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-20 12:28:52,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:28:52,876 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:28:52,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:28:52,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:28:52,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1723409756, now seen corresponding path program 1 times [2022-11-20 12:28:52,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:28:52,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924833228] [2022-11-20 12:28:52,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:28:52,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:28:52,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:28:52,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:28:52,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:28:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:28:55,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 2084 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:28:55,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:28:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-11-20 12:28:55,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:28:55,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:28:55,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924833228] [2022-11-20 12:28:55,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924833228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:28:55,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:28:55,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:28:55,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646105657] [2022-11-20 12:28:55,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:28:55,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:28:55,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:28:55,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:28:55,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:28:55,814 INFO L87 Difference]: Start difference. First operand has 4041 states, 2732 states have (on average 1.2657393850658858) internal successors, (3458), 2769 states have internal predecessors, (3458), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 12:28:57,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:28:57,137 INFO L93 Difference]: Finished difference Result 11560 states and 16572 transitions. [2022-11-20 12:28:57,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:28:57,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 242 [2022-11-20 12:28:57,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:28:57,205 INFO L225 Difference]: With dead ends: 11560 [2022-11-20 12:28:57,205 INFO L226 Difference]: Without dead ends: 7480 [2022-11-20 12:28:57,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:28:57,238 INFO L413 NwaCegarLoop]: 6714 mSDtfsCounter, 4979 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4979 SdHoareTripleChecker+Valid, 12356 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:28:57,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4979 Valid, 12356 Invalid, 92 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 12:28:57,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7480 states. [2022-11-20 12:28:57,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7480 to 7477. [2022-11-20 12:28:57,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7477 states, 5092 states have (on average 1.258051846032993) internal successors, (6406), 5158 states have internal predecessors, (6406), 2070 states have call successors, (2070), 314 states have call predecessors, (2070), 314 states have return successors, (2070), 2054 states have call predecessors, (2070), 2070 states have call successors, (2070) [2022-11-20 12:28:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7477 states to 7477 states and 10546 transitions. [2022-11-20 12:28:57,950 INFO L78 Accepts]: Start accepts. Automaton has 7477 states and 10546 transitions. Word has length 242 [2022-11-20 12:28:57,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:28:57,954 INFO L495 AbstractCegarLoop]: Abstraction has 7477 states and 10546 transitions. [2022-11-20 12:28:57,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 12:28:57,955 INFO L276 IsEmpty]: Start isEmpty. Operand 7477 states and 10546 transitions. [2022-11-20 12:28:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-20 12:28:57,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:28:57,972 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:28:58,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:28:58,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:28:58,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:28:58,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:28:58,191 INFO L85 PathProgramCache]: Analyzing trace with hash -736338616, now seen corresponding path program 1 times [2022-11-20 12:28:58,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:28:58,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157141294] [2022-11-20 12:28:58,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:28:58,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:28:58,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:28:58,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:28:58,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 12:29:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:29:00,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:29:00,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:29:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-11-20 12:29:00,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:29:00,915 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:29:00,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157141294] [2022-11-20 12:29:00,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [157141294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:29:00,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:29:00,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:29:00,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684866803] [2022-11-20 12:29:00,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:29:00,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:29:00,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:29:00,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:29:00,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:29:00,919 INFO L87 Difference]: Start difference. First operand 7477 states and 10546 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 12:29:02,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:29:02,462 INFO L93 Difference]: Finished difference Result 21865 states and 30850 transitions. [2022-11-20 12:29:02,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:29:02,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 243 [2022-11-20 12:29:02,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:29:02,573 INFO L225 Difference]: With dead ends: 21865 [2022-11-20 12:29:02,574 INFO L226 Difference]: Without dead ends: 14427 [2022-11-20 12:29:02,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:29:02,619 INFO L413 NwaCegarLoop]: 7646 mSDtfsCounter, 5242 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5242 SdHoareTripleChecker+Valid, 13187 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 12:29:02,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5242 Valid, 13187 Invalid, 149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 12:29:02,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14427 states. [2022-11-20 12:29:03,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14427 to 14421. [2022-11-20 12:29:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14421 states, 9810 states have (on average 1.2547400611620796) internal successors, (12309), 9929 states have internal predecessors, (12309), 3994 states have call successors, (3994), 616 states have call predecessors, (3994), 616 states have return successors, (3994), 3968 states have call predecessors, (3994), 3994 states have call successors, (3994) [2022-11-20 12:29:03,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14421 states to 14421 states and 20297 transitions. [2022-11-20 12:29:03,897 INFO L78 Accepts]: Start accepts. Automaton has 14421 states and 20297 transitions. Word has length 243 [2022-11-20 12:29:03,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:29:03,898 INFO L495 AbstractCegarLoop]: Abstraction has 14421 states and 20297 transitions. [2022-11-20 12:29:03,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 12:29:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 14421 states and 20297 transitions. [2022-11-20 12:29:03,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-20 12:29:03,918 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:29:03,918 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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, 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] [2022-11-20 12:29:03,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:29:04,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:29:04,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:29:04,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:29:04,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1367599353, now seen corresponding path program 1 times [2022-11-20 12:29:04,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:29:04,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926248682] [2022-11-20 12:29:04,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:29:04,138 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:29:04,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:29:04,191 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:29:04,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:29:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:29:06,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 2081 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:29:06,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:29:06,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2022-11-20 12:29:06,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:29:06,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:29:06,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926248682] [2022-11-20 12:29:06,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926248682] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:29:06,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:29:06,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:29:06,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596735086] [2022-11-20 12:29:06,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:29:06,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:29:06,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:29:06,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:29:06,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:29:06,843 INFO L87 Difference]: Start difference. First operand 14421 states and 20297 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 12:29:08,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:29:08,629 INFO L93 Difference]: Finished difference Result 39069 states and 54850 transitions. [2022-11-20 12:29:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:29:08,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 262 [2022-11-20 12:29:08,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:29:08,799 INFO L225 Difference]: With dead ends: 39069 [2022-11-20 12:29:08,799 INFO L226 Difference]: Without dead ends: 24687 [2022-11-20 12:29:08,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:29:08,874 INFO L413 NwaCegarLoop]: 6450 mSDtfsCounter, 4129 mSDsluCounter, 5521 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4129 SdHoareTripleChecker+Valid, 11971 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:29:08,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4129 Valid, 11971 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:29:08,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24687 states. [2022-11-20 12:29:10,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24687 to 24680. [2022-11-20 12:29:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24680 states, 16747 states have (on average 1.253657371469517) internal successors, (20995), 16955 states have internal predecessors, (20995), 6793 states have call successors, (6793), 1142 states have call predecessors, (6793), 1139 states have return successors, (6795), 6738 states have call predecessors, (6795), 6793 states have call successors, (6795) [2022-11-20 12:29:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24680 states to 24680 states and 34583 transitions. [2022-11-20 12:29:11,178 INFO L78 Accepts]: Start accepts. Automaton has 24680 states and 34583 transitions. Word has length 262 [2022-11-20 12:29:11,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:29:11,179 INFO L495 AbstractCegarLoop]: Abstraction has 24680 states and 34583 transitions. [2022-11-20 12:29:11,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 12:29:11,179 INFO L276 IsEmpty]: Start isEmpty. Operand 24680 states and 34583 transitions. [2022-11-20 12:29:11,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-11-20 12:29:11,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:29:11,190 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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, 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] [2022-11-20 12:29:11,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:29:11,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:29:11,403 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:29:11,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:29:11,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1908580265, now seen corresponding path program 1 times [2022-11-20 12:29:11,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:29:11,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030127407] [2022-11-20 12:29:11,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:29:11,407 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:29:11,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:29:11,409 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:29:11,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 12:29:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:29:13,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 2141 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:29:13,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:29:14,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2022-11-20 12:29:14,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:29:14,184 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:29:14,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030127407] [2022-11-20 12:29:14,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1030127407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:29:14,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:29:14,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:29:14,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40909017] [2022-11-20 12:29:14,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:29:14,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:29:14,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:29:14,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:29:14,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:29:14,188 INFO L87 Difference]: Start difference. First operand 24680 states and 34583 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 12:29:17,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:29:17,109 INFO L93 Difference]: Finished difference Result 71326 states and 99883 transitions. [2022-11-20 12:29:17,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:29:17,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 270 [2022-11-20 12:29:17,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:29:17,373 INFO L225 Difference]: With dead ends: 71326 [2022-11-20 12:29:17,373 INFO L226 Difference]: Without dead ends: 46685 [2022-11-20 12:29:17,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:29:17,470 INFO L413 NwaCegarLoop]: 8592 mSDtfsCounter, 5456 mSDsluCounter, 5590 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5456 SdHoareTripleChecker+Valid, 14182 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:29:17,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5456 Valid, 14182 Invalid, 62 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:29:17,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46685 states. [2022-11-20 12:29:21,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46685 to 46667. [2022-11-20 12:29:21,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46667 states, 31727 states have (on average 1.2520881268320359) internal successors, (39725), 32136 states have internal predecessors, (39725), 12765 states have call successors, (12765), 2180 states have call predecessors, (12765), 2174 states have return successors, (12769), 12648 states have call predecessors, (12769), 12765 states have call successors, (12769) [2022-11-20 12:29:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46667 states to 46667 states and 65259 transitions. [2022-11-20 12:29:21,637 INFO L78 Accepts]: Start accepts. Automaton has 46667 states and 65259 transitions. Word has length 270 [2022-11-20 12:29:21,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:29:21,638 INFO L495 AbstractCegarLoop]: Abstraction has 46667 states and 65259 transitions. [2022-11-20 12:29:21,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 12:29:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 46667 states and 65259 transitions. [2022-11-20 12:29:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-20 12:29:21,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:29:21,654 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 3, 3, 3, 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, 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] [2022-11-20 12:29:21,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:29:21,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:29:21,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:29:21,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:29:21,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1487893744, now seen corresponding path program 1 times [2022-11-20 12:29:21,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:29:21,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150279710] [2022-11-20 12:29:21,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:29:21,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:29:21,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:29:21,873 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:29:21,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 12:29:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:29:24,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:29:24,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:29:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2022-11-20 12:29:24,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:29:24,572 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:29:24,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150279710] [2022-11-20 12:29:24,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150279710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:29:24,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:29:24,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:29:24,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271695845] [2022-11-20 12:29:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:29:24,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:29:24,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:29:24,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:29:24,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:29:24,575 INFO L87 Difference]: Start difference. First operand 46667 states and 65259 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 12:29:27,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:29:27,269 INFO L93 Difference]: Finished difference Result 94022 states and 131310 transitions. [2022-11-20 12:29:27,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:29:27,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 292 [2022-11-20 12:29:27,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:29:27,513 INFO L225 Difference]: With dead ends: 94022 [2022-11-20 12:29:27,513 INFO L226 Difference]: Without dead ends: 47394 [2022-11-20 12:29:27,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:29:27,677 INFO L413 NwaCegarLoop]: 5737 mSDtfsCounter, 731 mSDsluCounter, 5579 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 11316 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:29:27,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 11316 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:29:27,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47394 states. [2022-11-20 12:29:31,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47394 to 47394. [2022-11-20 12:29:31,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47394 states, 32249 states have (on average 1.2506744395175045) internal successors, (40333), 32661 states have internal predecessors, (40333), 12882 states have call successors, (12882), 2268 states have call predecessors, (12882), 2262 states have return successors, (12886), 12765 states have call predecessors, (12886), 12882 states have call successors, (12886) [2022-11-20 12:29:31,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47394 states to 47394 states and 66101 transitions. [2022-11-20 12:29:31,451 INFO L78 Accepts]: Start accepts. Automaton has 47394 states and 66101 transitions. Word has length 292 [2022-11-20 12:29:31,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:29:31,452 INFO L495 AbstractCegarLoop]: Abstraction has 47394 states and 66101 transitions. [2022-11-20 12:29:31,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 12:29:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 47394 states and 66101 transitions. [2022-11-20 12:29:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-11-20 12:29:31,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:29:31,467 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 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, 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] [2022-11-20 12:29:31,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:29:31,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:29:31,692 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:29:31,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:29:31,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1164591339, now seen corresponding path program 1 times [2022-11-20 12:29:31,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:29:31,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923791702] [2022-11-20 12:29:31,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:29:31,695 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:29:31,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:29:31,697 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:29:31,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 12:29:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:29:34,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:29:34,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:29:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2022-11-20 12:29:34,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:29:34,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:29:34,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923791702] [2022-11-20 12:29:34,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923791702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:29:34,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:29:34,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:29:34,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384308420] [2022-11-20 12:29:34,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:29:34,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:29:34,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:29:34,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:29:34,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:29:34,962 INFO L87 Difference]: Start difference. First operand 47394 states and 66101 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 12:29:38,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:29:38,333 INFO L93 Difference]: Finished difference Result 114531 states and 159819 transitions. [2022-11-20 12:29:38,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:29:38,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 308 [2022-11-20 12:29:38,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:29:38,754 INFO L225 Difference]: With dead ends: 114531 [2022-11-20 12:29:38,755 INFO L226 Difference]: Without dead ends: 67731 [2022-11-20 12:29:39,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:29:39,169 INFO L413 NwaCegarLoop]: 8537 mSDtfsCounter, 4884 mSDsluCounter, 5564 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4884 SdHoareTripleChecker+Valid, 14101 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:29:39,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4884 Valid, 14101 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:29:39,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67731 states. [2022-11-20 12:29:43,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67731 to 67721. [2022-11-20 12:29:43,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67721 states, 46099 states have (on average 1.2498535759994793) internal successors, (57617), 46680 states have internal predecessors, (57617), 18362 states have call successors, (18362), 3267 states have call predecessors, (18362), 3259 states have return successors, (18368), 18192 states have call predecessors, (18368), 18362 states have call successors, (18368) [2022-11-20 12:29:43,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67721 states to 67721 states and 94347 transitions. [2022-11-20 12:29:43,667 INFO L78 Accepts]: Start accepts. Automaton has 67721 states and 94347 transitions. Word has length 308 [2022-11-20 12:29:43,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:29:43,668 INFO L495 AbstractCegarLoop]: Abstraction has 67721 states and 94347 transitions. [2022-11-20 12:29:43,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 12:29:43,669 INFO L276 IsEmpty]: Start isEmpty. Operand 67721 states and 94347 transitions. [2022-11-20 12:29:43,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-11-20 12:29:43,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:29:43,702 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 6, 6, 6, 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, 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] [2022-11-20 12:29:43,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:29:43,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:29:43,916 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:29:43,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:29:43,916 INFO L85 PathProgramCache]: Analyzing trace with hash -371478848, now seen corresponding path program 1 times [2022-11-20 12:29:43,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:29:43,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060629592] [2022-11-20 12:29:43,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:29:43,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:29:43,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:29:43,921 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:29:43,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d7edf-6370-4752-8035-bb36d380156d/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 12:29:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:29:46,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 2298 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:29:46,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:29:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-11-20 12:29:46,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:29:46,676 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:29:46,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2060629592] [2022-11-20 12:29:46,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2060629592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:29:46,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:29:46,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:29:46,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27017637] [2022-11-20 12:29:46,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:29:46,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:29:46,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:29:46,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:29:46,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:29:46,680 INFO L87 Difference]: Start difference. First operand 67721 states and 94347 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35)