./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-oki-semi-pch_gbe-pch_gbe.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_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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_fa215905-7401-4a8c-89ff-130fd589f840/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 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 --- 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 10:30:16,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:16,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:16,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:16,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:16,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:16,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:16,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:16,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:16,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:16,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:16,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:16,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:16,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:16,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:16,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:16,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:16,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:16,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:16,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:16,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:16,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:16,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:16,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:16,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:16,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:16,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:16,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:16,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:16,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:16,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:16,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:16,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:16,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:16,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:16,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:16,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:16,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:16,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:16,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:16,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:16,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:30:16,284 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:16,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:16,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:16,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:16,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:16,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:16,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:16,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:16,288 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:16,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:16,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:30:16,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:16,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:16,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:16,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:16,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:16,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:16,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:16,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:16,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:16,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:16,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:16,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:16,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:16,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:16,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:30:16,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:30:16,292 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:16,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:16,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:16,293 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_fa215905-7401-4a8c-89ff-130fd589f840/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 [2022-11-20 10:30:16,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:16,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:16,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:16,610 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:16,611 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:16,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 10:30:19,505 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:20,284 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:20,285 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 10:30:20,365 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/data/809a8319e/15d171ca8f4c47d6a9af4232ea9465a2/FLAG3c6b4cd25 [2022-11-20 10:30:20,384 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/data/809a8319e/15d171ca8f4c47d6a9af4232ea9465a2 [2022-11-20 10:30:20,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:20,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:20,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:20,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:20,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:20,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:20" (1/1) ... [2022-11-20 10:30:20,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a0bc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:20, skipping insertion in model container [2022-11-20 10:30:20,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:20" (1/1) ... [2022-11-20 10:30:20,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:20,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:21,644 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 10:30:21,654 INFO L158 Benchmark]: Toolchain (without parser) took 1261.12ms. Allocated memory is still 178.3MB. Free memory was 127.2MB in the beginning and 104.0MB in the end (delta: 23.2MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2022-11-20 10:30:21,655 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:30:21,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1255.97ms. Allocated memory is still 178.3MB. Free memory was 127.2MB in the beginning and 104.0MB in the end (delta: 23.2MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2022-11-20 10:30:21,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1255.97ms. Allocated memory is still 178.3MB. Free memory was 127.2MB in the beginning and 104.0MB in the end (delta: 23.2MB). Peak memory consumption was 55.3MB. 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_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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_fa215905-7401-4a8c-89ff-130fd589f840/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 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 --- 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 10:30:24,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:24,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:24,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:24,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:24,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:24,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:24,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:24,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:24,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:24,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:24,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:24,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:24,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:24,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:24,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:24,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:24,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:24,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:24,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:24,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:24,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:24,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:24,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:24,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:24,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:24,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:24,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:24,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:24,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:24,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:24,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:24,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:24,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:24,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:24,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:24,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:24,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:24,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:24,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:24,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:24,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:30:24,224 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:24,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:24,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:24,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:24,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:24,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:24,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:24,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:24,230 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:24,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:24,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:24,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:24,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:24,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:24,232 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:30:24,232 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:30:24,232 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:30:24,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:24,233 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:24,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:24,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:24,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:24,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:24,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:24,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:24,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:24,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:24,235 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:30:24,235 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:30:24,236 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:24,236 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:24,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:24,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:30:24,237 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_fa215905-7401-4a8c-89ff-130fd589f840/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 [2022-11-20 10:30:24,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:24,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:24,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:24,674 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:24,674 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:24,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 10:30:27,886 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:28,815 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:28,816 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 10:30:28,907 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/data/aa0bfec9d/e89707bd19ee456f8ccae4f341455f63/FLAG06fb29395 [2022-11-20 10:30:28,936 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/data/aa0bfec9d/e89707bd19ee456f8ccae4f341455f63 [2022-11-20 10:30:28,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:28,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:28,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:28,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:28,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:28,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:28" (1/1) ... [2022-11-20 10:30:28,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3047af23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:28, skipping insertion in model container [2022-11-20 10:30:28,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:28" (1/1) ... [2022-11-20 10:30:28,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:29,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:34,820 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_fa215905-7401-4a8c-89ff-130fd589f840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2022-11-20 10:30:34,824 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_fa215905-7401-4a8c-89ff-130fd589f840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2022-11-20 10:30:34,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:34,944 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:30:35,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:35,697 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_fa215905-7401-4a8c-89ff-130fd589f840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2022-11-20 10:30:35,700 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_fa215905-7401-4a8c-89ff-130fd589f840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2022-11-20 10:30:35,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:35,757 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:30:36,377 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_fa215905-7401-4a8c-89ff-130fd589f840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2022-11-20 10:30:36,378 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_fa215905-7401-4a8c-89ff-130fd589f840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2022-11-20 10:30:36,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:36,852 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:30:36,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36 WrapperNode [2022-11-20 10:30:36,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:36,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:36,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:30:36,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:30:36,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (1/1) ... [2022-11-20 10:30:37,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (1/1) ... [2022-11-20 10:30:37,488 INFO L138 Inliner]: procedures = 711, calls = 6668, calls flagged for inlining = 358, calls inlined = 317, statements flattened = 11410 [2022-11-20 10:30:37,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:37,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:30:37,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:30:37,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:30:37,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (1/1) ... [2022-11-20 10:30:37,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (1/1) ... [2022-11-20 10:30:37,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (1/1) ... [2022-11-20 10:30:37,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (1/1) ... [2022-11-20 10:30:37,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (1/1) ... [2022-11-20 10:30:37,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (1/1) ... [2022-11-20 10:30:37,978 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (1/1) ... [2022-11-20 10:30:37,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (1/1) ... [2022-11-20 10:30:38,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:30:38,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:30:38,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:30:38,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:30:38,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (1/1) ... [2022-11-20 10:30:38,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:38,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:38,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:38,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:30:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 10:30:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 10:30:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-11-20 10:30:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-11-20 10:30:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:30:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:30:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-20 10:30:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-20 10:30:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-11-20 10:30:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-11-20 10:30:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 10:30:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 10:30:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:30:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:30:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-11-20 10:30:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-11-20 10:30:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-11-20 10:30:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-11-20 10:30:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-20 10:30:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-20 10:30:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-11-20 10:30:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-11-20 10:30:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-11-20 10:30:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-11-20 10:30:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-11-20 10:30:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-11-20 10:30:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 10:30:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 10:30:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 10:30:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 10:30:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 10:30:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 10:30:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-11-20 10:30:38,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-11-20 10:30:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-11-20 10:30:38,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-11-20 10:30:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-11-20 10:30:38,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-11-20 10:30:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-11-20 10:30:38,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-11-20 10:30:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 10:30:38,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 10:30:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-20 10:30:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-20 10:30:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 10:30:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 10:30:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 10:30:38,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 10:30:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 10:30:38,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 10:30:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-20 10:30:38,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-20 10:30:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-11-20 10:30:38,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-11-20 10:30:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 10:30:38,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 10:30:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 10:30:38,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 10:30:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-11-20 10:30:38,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-11-20 10:30:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 10:30:38,154 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 10:30:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 10:30:38,154 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 10:30:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 10:30:38,154 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 10:30:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:30:38,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:30:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:30:38,155 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:30:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 10:30:38,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 10:30:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:30:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-11-20 10:30:38,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-11-20 10:30:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:30:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:30:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:30:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:30:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 10:30:38,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 10:30:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-11-20 10:30:38,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-11-20 10:30:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 10:30:38,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 10:30:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-11-20 10:30:38,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-11-20 10:30:38,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-20 10:30:38,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-20 10:30:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 10:30:38,160 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 10:30:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 10:30:38,160 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 10:30:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-20 10:30:38,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-20 10:30:38,160 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 10:30:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 10:30:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-11-20 10:30:38,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-11-20 10:30:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-11-20 10:30:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-11-20 10:30:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-11-20 10:30:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-11-20 10:30:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 10:30:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 10:30:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 10:30:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 10:30:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 10:30:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 10:30:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:30:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:30:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-11-20 10:30:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-11-20 10:30:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 10:30:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 10:30:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 10:30:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 10:30:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 10:30:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 10:30:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 10:30:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 10:30:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 10:30:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 10:30:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-20 10:30:38,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-20 10:30:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-11-20 10:30:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-11-20 10:30:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-11-20 10:30:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-11-20 10:30:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 10:30:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 10:30:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 10:30:38,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 10:30:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 10:30:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 10:30:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-20 10:30:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-20 10:30:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:30:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 10:30:38,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 10:30:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 10:30:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 10:30:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 10:30:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 10:30:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-20 10:30:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-20 10:30:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-20 10:30:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-20 10:30:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 10:30:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 10:30:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 10:30:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 10:30:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:30:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 10:30:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 10:30:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 10:30:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 10:30:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 10:30:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 10:30:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:30:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:30:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 10:30:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:30:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:30:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:30:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 10:30:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 10:30:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-20 10:30:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-20 10:30:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 10:30:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 10:30:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 10:30:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 10:30:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-20 10:30:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-20 10:30:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 10:30:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 10:30:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-11-20 10:30:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-11-20 10:30:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:30:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:30:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-11-20 10:30:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-11-20 10:30:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 10:30:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 10:30:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-11-20 10:30:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-11-20 10:30:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 10:30:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 10:30:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:30:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:30:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:30:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-11-20 10:30:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-11-20 10:30:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-11-20 10:30:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-11-20 10:30:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 10:30:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 10:30:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:30:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-11-20 10:30:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-11-20 10:30:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-20 10:30:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-20 10:30:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:30:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-11-20 10:30:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-11-20 10:30:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:30:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:30:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:30:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:30:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:30:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:30:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-20 10:30:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-20 10:30:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-11-20 10:30:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-11-20 10:30:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 10:30:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 10:30:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 10:30:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 10:30:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-11-20 10:30:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-11-20 10:30:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-11-20 10:30:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-11-20 10:30:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-11-20 10:30:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-11-20 10:30:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 10:30:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 10:30:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-20 10:30:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-20 10:30:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-11-20 10:30:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-11-20 10:30:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:30:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:30:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_120 [2022-11-20 10:30:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_120 [2022-11-20 10:30:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 10:30:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 10:30:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 10:30:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 10:30:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-11-20 10:30:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-11-20 10:30:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-11-20 10:30:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-11-20 10:30:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-11-20 10:30:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-11-20 10:30:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 10:30:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 10:30:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-20 10:30:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-20 10:30:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-11-20 10:30:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-11-20 10:30:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-11-20 10:30:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-11-20 10:30:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:30:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-20 10:30:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-20 10:30:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 10:30:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 10:30:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 10:30:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 10:30:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:30:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-11-20 10:30:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-11-20 10:30:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-20 10:30:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-20 10:30:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2022-11-20 10:30:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2022-11-20 10:30:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:30:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:30:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:30:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:30:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-11-20 10:30:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-11-20 10:30:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:30:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 10:30:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 10:30:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 10:30:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 10:30:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-11-20 10:30:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-11-20 10:30:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 10:30:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 10:30:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 10:30:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 10:30:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-11-20 10:30:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-11-20 10:30:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 10:30:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 10:30:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-11-20 10:30:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-11-20 10:30:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-11-20 10:30:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-11-20 10:30:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-11-20 10:30:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-11-20 10:30:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 10:30:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 10:30:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 10:30:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 10:30:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-11-20 10:30:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-11-20 10:30:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-11-20 10:30:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-11-20 10:30:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-20 10:30:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-20 10:30:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-11-20 10:30:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-11-20 10:30:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-20 10:30:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-20 10:30:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 10:30:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 10:30:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 10:30:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 10:30:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-11-20 10:30:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-11-20 10:30:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:30:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:30:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 10:30:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 10:30:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:30:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:30:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-11-20 10:30:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-11-20 10:30:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-11-20 10:30:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-11-20 10:30:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-11-20 10:30:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-11-20 10:30:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-11-20 10:30:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-11-20 10:30:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:30:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-11-20 10:30:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-11-20 10:30:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 10:30:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:30:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:30:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:30:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:30:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-11-20 10:30:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-11-20 10:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-11-20 10:30:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-11-20 10:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 10:30:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 10:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 10:30:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 10:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-11-20 10:30:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-11-20 10:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-11-20 10:30:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-11-20 10:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-11-20 10:30:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-11-20 10:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 10:30:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 10:30:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 10:30:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 10:30:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-11-20 10:30:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-11-20 10:30:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 10:30:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 10:30:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-11-20 10:30:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-11-20 10:30:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-11-20 10:30:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-11-20 10:30:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-20 10:30:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-20 10:30:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-11-20 10:30:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-11-20 10:30:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_122 [2022-11-20 10:30:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_122 [2022-11-20 10:30:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-11-20 10:30:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-11-20 10:30:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-11-20 10:30:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-11-20 10:30:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 10:30:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 10:30:39,774 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:30:39,779 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:30:40,789 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:33:26,018 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 10:33:29,060 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:33:29,096 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:33:29,096 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:33:29,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:29 BoogieIcfgContainer [2022-11-20 10:33:29,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:33:29,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:33:29,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:33:29,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:33:29,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:28" (1/3) ... [2022-11-20 10:33:29,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6038c59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:33:29, skipping insertion in model container [2022-11-20 10:33:29,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:36" (2/3) ... [2022-11-20 10:33:29,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6038c59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:33:29, skipping insertion in model container [2022-11-20 10:33:29,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:29" (3/3) ... [2022-11-20 10:33:29,119 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 10:33:29,140 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:33:29,141 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 10:33:29,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:33:29,276 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;@36d226f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:33:29,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 10:33:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 3374 states, 2324 states have (on average 1.270223752151463) internal successors, (2952), 2366 states have internal predecessors, (2952), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) [2022-11-20 10:33:29,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-20 10:33:29,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:29,359 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:29,360 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:29,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:29,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1569793861, now seen corresponding path program 1 times [2022-11-20 10:33:29,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:29,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442374967] [2022-11-20 10:33:29,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:29,402 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 10:33:29,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:29,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:29,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:35,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 5312 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:35,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 10:33:35,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:35,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:35,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442374967] [2022-11-20 10:33:35,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442374967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:35,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:35,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:35,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199780515] [2022-11-20 10:33:35,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:35,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:35,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:35,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:35,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:35,545 INFO L87 Difference]: Start difference. First operand has 3374 states, 2324 states have (on average 1.270223752151463) internal successors, (2952), 2366 states have internal predecessors, (2952), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:33:37,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:37,218 INFO L93 Difference]: Finished difference Result 9444 states and 13381 transitions. [2022-11-20 10:33:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:37,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 278 [2022-11-20 10:33:37,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:37,291 INFO L225 Difference]: With dead ends: 9444 [2022-11-20 10:33:37,292 INFO L226 Difference]: Without dead ends: 6036 [2022-11-20 10:33:37,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 276 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 10:33:37,335 INFO L413 NwaCegarLoop]: 5393 mSDtfsCounter, 3793 mSDsluCounter, 4596 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3793 SdHoareTripleChecker+Valid, 9989 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:37,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3793 Valid, 9989 Invalid, 95 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:33:37,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6036 states. [2022-11-20 10:33:37,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6036 to 6031. [2022-11-20 10:33:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6031 states, 4183 states have (on average 1.2603394692804208) internal successors, (5272), 4258 states have internal predecessors, (5272), 1518 states have call successors, (1518), 328 states have call predecessors, (1518), 328 states have return successors, (1518), 1487 states have call predecessors, (1518), 1518 states have call successors, (1518) [2022-11-20 10:33:37,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6031 states to 6031 states and 8308 transitions. [2022-11-20 10:33:37,831 INFO L78 Accepts]: Start accepts. Automaton has 6031 states and 8308 transitions. Word has length 278 [2022-11-20 10:33:37,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:37,833 INFO L495 AbstractCegarLoop]: Abstraction has 6031 states and 8308 transitions. [2022-11-20 10:33:37,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:33:37,834 INFO L276 IsEmpty]: Start isEmpty. Operand 6031 states and 8308 transitions. [2022-11-20 10:33:37,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-11-20 10:33:37,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:37,845 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:37,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:38,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:38,066 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:38,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:38,066 INFO L85 PathProgramCache]: Analyzing trace with hash -682395148, now seen corresponding path program 1 times [2022-11-20 10:33:38,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:38,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61345050] [2022-11-20 10:33:38,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:38,077 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 10:33:38,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:38,078 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:38,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:43,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 5313 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:43,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 10:33:43,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:43,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:43,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61345050] [2022-11-20 10:33:43,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61345050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:43,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:43,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:43,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843097815] [2022-11-20 10:33:43,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:43,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:43,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:43,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:43,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:43,788 INFO L87 Difference]: Start difference. First operand 6031 states and 8308 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:33:45,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:45,836 INFO L93 Difference]: Finished difference Result 17651 states and 24316 transitions. [2022-11-20 10:33:45,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:45,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 279 [2022-11-20 10:33:45,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:45,935 INFO L225 Difference]: With dead ends: 17651 [2022-11-20 10:33:45,935 INFO L226 Difference]: Without dead ends: 11667 [2022-11-20 10:33:45,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 277 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 10:33:45,976 INFO L413 NwaCegarLoop]: 6052 mSDtfsCounter, 4239 mSDsluCounter, 4493 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4239 SdHoareTripleChecker+Valid, 10545 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:45,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4239 Valid, 10545 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 10:33:45,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11667 states. [2022-11-20 10:33:46,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11667 to 11659. [2022-11-20 10:33:46,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11659 states, 8064 states have (on average 1.2566964285714286) internal successors, (10134), 8217 states have internal predecessors, (10134), 2939 states have call successors, (2939), 654 states have call predecessors, (2939), 654 states have return successors, (2939), 2873 states have call predecessors, (2939), 2939 states have call successors, (2939) [2022-11-20 10:33:46,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11659 states to 11659 states and 16012 transitions. [2022-11-20 10:33:46,907 INFO L78 Accepts]: Start accepts. Automaton has 11659 states and 16012 transitions. Word has length 279 [2022-11-20 10:33:46,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:46,908 INFO L495 AbstractCegarLoop]: Abstraction has 11659 states and 16012 transitions. [2022-11-20 10:33:46,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:33:46,908 INFO L276 IsEmpty]: Start isEmpty. Operand 11659 states and 16012 transitions. [2022-11-20 10:33:46,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-20 10:33:46,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:46,921 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 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] [2022-11-20 10:33:47,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:47,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:47,134 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:47,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:47,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1122050988, now seen corresponding path program 1 times [2022-11-20 10:33:47,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:47,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482894564] [2022-11-20 10:33:47,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:47,146 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 10:33:47,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:47,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:47,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:52,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 5369 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:52,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2022-11-20 10:33:52,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:52,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:52,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482894564] [2022-11-20 10:33:52,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [482894564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:52,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:52,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:52,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073122006] [2022-11-20 10:33:52,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:52,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:52,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:52,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:52,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:52,780 INFO L87 Difference]: Start difference. First operand 11659 states and 16012 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-20 10:33:54,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:54,888 INFO L93 Difference]: Finished difference Result 34320 states and 47119 transitions. [2022-11-20 10:33:54,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:54,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 306 [2022-11-20 10:33:54,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:55,052 INFO L225 Difference]: With dead ends: 34320 [2022-11-20 10:33:55,053 INFO L226 Difference]: Without dead ends: 22708 [2022-11-20 10:33:55,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 304 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 10:33:55,128 INFO L413 NwaCegarLoop]: 6428 mSDtfsCounter, 4396 mSDsluCounter, 4542 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4396 SdHoareTripleChecker+Valid, 10970 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:55,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4396 Valid, 10970 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 10:33:55,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22708 states. [2022-11-20 10:33:56,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22708 to 22696. [2022-11-20 10:33:56,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22696 states, 15740 states have (on average 1.2554637865311309) internal successors, (19761), 16034 states have internal predecessors, (19761), 5682 states have call successors, (5682), 1272 states have call predecessors, (5682), 1272 states have return successors, (5682), 5557 states have call predecessors, (5682), 5682 states have call successors, (5682) [2022-11-20 10:33:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22696 states to 22696 states and 31125 transitions. [2022-11-20 10:33:56,941 INFO L78 Accepts]: Start accepts. Automaton has 22696 states and 31125 transitions. Word has length 306 [2022-11-20 10:33:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:56,943 INFO L495 AbstractCegarLoop]: Abstraction has 22696 states and 31125 transitions. [2022-11-20 10:33:56,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-20 10:33:56,943 INFO L276 IsEmpty]: Start isEmpty. Operand 22696 states and 31125 transitions. [2022-11-20 10:33:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-11-20 10:33:56,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:56,958 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:57,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:57,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:57,182 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:57,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:57,183 INFO L85 PathProgramCache]: Analyzing trace with hash -668621498, now seen corresponding path program 1 times [2022-11-20 10:33:57,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:57,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549500023] [2022-11-20 10:33:57,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:57,190 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 10:33:57,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:57,191 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:33:57,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:02,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 5265 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:34:02,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:34:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 10:34:02,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:34:02,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:34:02,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549500023] [2022-11-20 10:34:02,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1549500023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:02,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:02,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:34:02,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168257954] [2022-11-20 10:34:02,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:02,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:34:02,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:34:02,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:34:02,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:34:02,572 INFO L87 Difference]: Start difference. First operand 22696 states and 31125 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 10:34:05,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:05,600 INFO L93 Difference]: Finished difference Result 61848 states and 84830 transitions. [2022-11-20 10:34:05,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:34:05,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 309 [2022-11-20 10:34:05,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:05,832 INFO L225 Difference]: With dead ends: 61848 [2022-11-20 10:34:05,832 INFO L226 Difference]: Without dead ends: 39199 [2022-11-20 10:34:05,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 307 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 10:34:05,925 INFO L413 NwaCegarLoop]: 5309 mSDtfsCounter, 3619 mSDsluCounter, 4480 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3619 SdHoareTripleChecker+Valid, 9789 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:05,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3619 Valid, 9789 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:34:05,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39199 states. [2022-11-20 10:34:08,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39199 to 39184. [2022-11-20 10:34:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39184 states, 27036 states have (on average 1.2491492824382304) internal successors, (33772), 27543 states have internal predecessors, (33772), 9850 states have call successors, (9850), 2317 states have call predecessors, (9850), 2296 states have return successors, (10098), 9587 states have call predecessors, (10098), 9850 states have call successors, (10098) [2022-11-20 10:34:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39184 states to 39184 states and 53720 transitions. [2022-11-20 10:34:09,006 INFO L78 Accepts]: Start accepts. Automaton has 39184 states and 53720 transitions. Word has length 309 [2022-11-20 10:34:09,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:09,010 INFO L495 AbstractCegarLoop]: Abstraction has 39184 states and 53720 transitions. [2022-11-20 10:34:09,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 10:34:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 39184 states and 53720 transitions. [2022-11-20 10:34:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-20 10:34:09,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:09,028 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 21, 21, 21, 21, 21, 21, 3, 3, 3, 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] [2022-11-20 10:34:09,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:09,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:09,251 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:09,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:09,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1327997383, now seen corresponding path program 1 times [2022-11-20 10:34:09,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:34:09,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939723796] [2022-11-20 10:34:09,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:09,258 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 10:34:09,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:34:09,259 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:09,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:14,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 5376 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:34:14,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:34:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 1904 trivial. 0 not checked. [2022-11-20 10:34:14,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:34:14,722 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:34:14,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939723796] [2022-11-20 10:34:14,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1939723796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:14,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:14,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:34:14,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455003871] [2022-11-20 10:34:14,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:14,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:34:14,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:34:14,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:34:14,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:34:14,724 INFO L87 Difference]: Start difference. First operand 39184 states and 53720 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 10:34:17,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:17,274 INFO L93 Difference]: Finished difference Result 79179 states and 108404 transitions. [2022-11-20 10:34:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:34:17,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 326 [2022-11-20 10:34:17,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:17,524 INFO L225 Difference]: With dead ends: 79179 [2022-11-20 10:34:17,524 INFO L226 Difference]: Without dead ends: 40042 [2022-11-20 10:34:17,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 324 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 10:34:17,702 INFO L413 NwaCegarLoop]: 4736 mSDtfsCounter, 920 mSDsluCounter, 4526 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 9262 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:17,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 9262 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 10:34:17,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40042 states. [2022-11-20 10:34:20,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40042 to 40042. [2022-11-20 10:34:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40042 states, 27641 states have (on average 1.2473499511595094) internal successors, (34478), 28153 states have internal predecessors, (34478), 10010 states have call successors, (10010), 2410 states have call predecessors, (10010), 2389 states have return successors, (10258), 9746 states have call predecessors, (10258), 10010 states have call successors, (10258) [2022-11-20 10:34:20,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40042 states to 40042 states and 54746 transitions. [2022-11-20 10:34:20,383 INFO L78 Accepts]: Start accepts. Automaton has 40042 states and 54746 transitions. Word has length 326 [2022-11-20 10:34:20,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:20,384 INFO L495 AbstractCegarLoop]: Abstraction has 40042 states and 54746 transitions. [2022-11-20 10:34:20,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 10:34:20,385 INFO L276 IsEmpty]: Start isEmpty. Operand 40042 states and 54746 transitions. [2022-11-20 10:34:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-20 10:34:20,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:20,402 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 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, 1, 1, 1, 1, 1, 1] [2022-11-20 10:34:20,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:20,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:20,627 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:20,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:20,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1686537569, now seen corresponding path program 1 times [2022-11-20 10:34:20,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:34:20,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461574014] [2022-11-20 10:34:20,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:20,635 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 10:34:20,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:34:20,636 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:20,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:26,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 5457 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:34:26,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:34:26,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 2034 trivial. 0 not checked. [2022-11-20 10:34:26,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:34:26,679 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:34:26,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461574014] [2022-11-20 10:34:26,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [461574014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:26,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:26,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:34:26,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405028377] [2022-11-20 10:34:26,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:26,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:34:26,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:34:26,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:34:26,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:34:26,683 INFO L87 Difference]: Start difference. First operand 40042 states and 54746 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 10:34:30,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:30,119 INFO L93 Difference]: Finished difference Result 96112 states and 131368 transitions. [2022-11-20 10:34:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:34:30,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 346 [2022-11-20 10:34:30,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:30,469 INFO L225 Difference]: With dead ends: 96112 [2022-11-20 10:34:30,469 INFO L226 Difference]: Without dead ends: 56803 [2022-11-20 10:34:30,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 344 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 10:34:30,685 INFO L413 NwaCegarLoop]: 6835 mSDtfsCounter, 3693 mSDsluCounter, 4513 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3693 SdHoareTripleChecker+Valid, 11348 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:30,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3693 Valid, 11348 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:34:30,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56803 states. [2022-11-20 10:34:34,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56803 to 56791. [2022-11-20 10:34:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56791 states, 39181 states have (on average 1.245246420458896) internal successors, (48790), 39911 states have internal predecessors, (48790), 14155 states have call successors, (14155), 3483 states have call predecessors, (14155), 3453 states have return successors, (14501), 13780 states have call predecessors, (14501), 14155 states have call successors, (14501) [2022-11-20 10:34:34,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56791 states to 56791 states and 77446 transitions. [2022-11-20 10:34:34,464 INFO L78 Accepts]: Start accepts. Automaton has 56791 states and 77446 transitions. Word has length 346 [2022-11-20 10:34:34,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:34,465 INFO L495 AbstractCegarLoop]: Abstraction has 56791 states and 77446 transitions. [2022-11-20 10:34:34,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 10:34:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 56791 states and 77446 transitions. [2022-11-20 10:34:34,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-11-20 10:34:34,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:34,494 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 21, 21, 21, 21, 21, 21, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:34:34,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:34,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:34,710 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:34,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:34,711 INFO L85 PathProgramCache]: Analyzing trace with hash 482656823, now seen corresponding path program 1 times [2022-11-20 10:34:34,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:34:34,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053208309] [2022-11-20 10:34:34,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:34,717 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 10:34:34,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:34:34,720 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:34,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa215905-7401-4a8c-89ff-130fd589f840/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 10:34:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:39,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 5504 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:34:39,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:34:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2383 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 2114 trivial. 0 not checked. [2022-11-20 10:34:39,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:34:39,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:34:39,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053208309] [2022-11-20 10:34:39,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053208309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:39,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:39,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:34:39,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321131840] [2022-11-20 10:34:39,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:39,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:34:39,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:34:39,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:34:39,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:34:39,883 INFO L87 Difference]: Start difference. First operand 56791 states and 77446 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-20 10:34:46,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:46,045 INFO L93 Difference]: Finished difference Result 167563 states and 228678 transitions. [2022-11-20 10:34:46,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:34:46,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 386 [2022-11-20 10:34:46,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:46,650 INFO L225 Difference]: With dead ends: 167563 [2022-11-20 10:34:46,651 INFO L226 Difference]: Without dead ends: 111505 [2022-11-20 10:34:46,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 384 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 10:34:46,828 INFO L413 NwaCegarLoop]: 7595 mSDtfsCounter, 4438 mSDsluCounter, 4557 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4438 SdHoareTripleChecker+Valid, 12152 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:46,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4438 Valid, 12152 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:34:46,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111505 states.