./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:35:53,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:35:53,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:35:53,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:35:53,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:35:53,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:35:53,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:35:53,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:35:53,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:35:53,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:35:53,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:35:53,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:35:53,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:35:53,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:35:53,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:35:53,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:35:53,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:35:53,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:35:53,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:35:53,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:35:53,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:35:53,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:35:53,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:35:53,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:35:53,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:35:53,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:35:53,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:35:53,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:35:53,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:35:53,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:35:53,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:35:53,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:35:53,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:35:53,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:35:53,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:35:53,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:35:53,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:35:53,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:35:53,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:35:53,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:35:53,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:35:53,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:35:53,947 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:35:53,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:35:53,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:35:53,948 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:35:53,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:35:53,949 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:35:53,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:35:53,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:35:53,949 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:35:53,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:35:53,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:35:53,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:35:53,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:35:53,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:35:53,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:35:53,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:35:53,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:35:53,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:35:53,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:35:53,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:35:53,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:35:53,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:35:53,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:35:53,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:35:53,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:35:53,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:35:53,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:35:53,953 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:35:53,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:35:53,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:35:53,953 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a [2022-11-20 12:35:54,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:35:54,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:35:54,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:35:54,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:35:54,348 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:35:54,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 12:35:57,375 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:35:58,134 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:35:58,134 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 12:35:58,199 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/data/9f578e33e/c2c1e4c390234a1c9f60b12207661626/FLAGb5a07fa0a [2022-11-20 12:35:58,214 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/data/9f578e33e/c2c1e4c390234a1c9f60b12207661626 [2022-11-20 12:35:58,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:35:58,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:35:58,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:35:58,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:35:58,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:35:58,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:35:58" (1/1) ... [2022-11-20 12:35:58,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732ae6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:58, skipping insertion in model container [2022-11-20 12:35:58,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:35:58" (1/1) ... [2022-11-20 12:35:58,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:35:58,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:35:59,401 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 12:35:59,411 INFO L158 Benchmark]: Toolchain (without parser) took 1191.51ms. Allocated memory is still 176.2MB. Free memory was 124.3MB in the beginning and 98.5MB in the end (delta: 25.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-20 12:35:59,412 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 91.7MB in the beginning and 91.6MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:35:59,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1189.07ms. Allocated memory is still 176.2MB. Free memory was 123.6MB in the beginning and 98.5MB in the end (delta: 25.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-20 12:35:59,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 91.7MB in the beginning and 91.6MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1189.07ms. Allocated memory is still 176.2MB. Free memory was 123.6MB in the beginning and 98.5MB in the end (delta: 25.1MB). Peak memory consumption was 52.4MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:36:01,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:36:01,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:36:01,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:36:01,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:36:01,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:36:01,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:36:01,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:36:01,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:36:01,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:36:01,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:36:01,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:36:01,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:36:01,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:36:01,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:36:01,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:36:01,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:36:01,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:36:01,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:36:01,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:36:01,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:36:01,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:36:01,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:36:01,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:36:01,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:36:01,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:36:01,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:36:01,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:36:01,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:36:01,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:36:01,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:36:01,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:36:01,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:36:01,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:36:01,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:36:01,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:36:01,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:36:01,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:36:01,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:36:01,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:36:01,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:36:01,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:36:01,919 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:36:01,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:36:01,921 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:36:01,921 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:36:01,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:36:01,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:36:01,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:36:01,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:36:01,924 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:36:01,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:36:01,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:36:01,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:36:01,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:36:01,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:36:01,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:36:01,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:36:01,927 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:36:01,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:36:01,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:36:01,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:36:01,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:36:01,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:36:01,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:36:01,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:36:01,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:36:01,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:36:01,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:36:01,929 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:36:01,929 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:36:01,930 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:36:01,930 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:36:01,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:36:01,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:36:01,931 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a [2022-11-20 12:36:02,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:36:02,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:36:02,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:36:02,360 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:36:02,366 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:36:02,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 12:36:05,477 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:36:06,380 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:36:06,381 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 12:36:06,443 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/data/f3f64c333/e30d952522574219b95dea2ea88bac13/FLAGd63057943 [2022-11-20 12:36:06,467 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/data/f3f64c333/e30d952522574219b95dea2ea88bac13 [2022-11-20 12:36:06,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:36:06,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:36:06,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:36:06,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:36:06,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:36:06,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:36:06" (1/1) ... [2022-11-20 12:36:06,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e72ff87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:06, skipping insertion in model container [2022-11-20 12:36:06,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:36:06" (1/1) ... [2022-11-20 12:36:06,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:36:06,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:36:11,765 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512219,512232] [2022-11-20 12:36:11,769 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512366,512379] [2022-11-20 12:36:11,770 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512505,512518] [2022-11-20 12:36:11,770 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512663,512676] [2022-11-20 12:36:11,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:36:11,965 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:36:12,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:36:12,726 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512219,512232] [2022-11-20 12:36:12,727 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512366,512379] [2022-11-20 12:36:12,727 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512505,512518] [2022-11-20 12:36:12,728 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512663,512676] [2022-11-20 12:36:12,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:36:12,874 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:36:13,569 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512219,512232] [2022-11-20 12:36:13,569 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512366,512379] [2022-11-20 12:36:13,570 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512505,512518] [2022-11-20 12:36:13,570 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_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512663,512676] [2022-11-20 12:36:13,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:36:14,002 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:36:14,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14 WrapperNode [2022-11-20 12:36:14,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:36:14,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:36:14,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:36:14,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:36:14,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (1/1) ... [2022-11-20 12:36:14,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (1/1) ... [2022-11-20 12:36:14,566 INFO L138 Inliner]: procedures = 593, calls = 6341, calls flagged for inlining = 344, calls inlined = 320, statements flattened = 11029 [2022-11-20 12:36:14,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:36:14,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:36:14,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:36:14,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:36:14,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (1/1) ... [2022-11-20 12:36:14,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (1/1) ... [2022-11-20 12:36:14,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (1/1) ... [2022-11-20 12:36:14,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (1/1) ... [2022-11-20 12:36:14,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (1/1) ... [2022-11-20 12:36:14,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (1/1) ... [2022-11-20 12:36:15,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (1/1) ... [2022-11-20 12:36:15,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (1/1) ... [2022-11-20 12:36:15,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:36:15,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:36:15,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:36:15,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:36:15,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (1/1) ... [2022-11-20 12:36:15,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:36:15,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:36:15,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:36:15,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:36:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 12:36:15,322 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 12:36:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-11-20 12:36:15,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-11-20 12:36:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 12:36:15,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 12:36:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-20 12:36:15,323 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-20 12:36:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-11-20 12:36:15,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-11-20 12:36:15,324 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 12:36:15,324 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 12:36:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:36:15,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:36:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-11-20 12:36:15,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-11-20 12:36:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-11-20 12:36:15,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-11-20 12:36:15,327 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-20 12:36:15,328 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-20 12:36:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-20 12:36:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-20 12:36:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-11-20 12:36:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-11-20 12:36:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-11-20 12:36:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-11-20 12:36:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-11-20 12:36:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-11-20 12:36:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 12:36:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 12:36:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 12:36:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 12:36:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 12:36:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 12:36:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-11-20 12:36:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-11-20 12:36:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-11-20 12:36:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-11-20 12:36:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-11-20 12:36:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-11-20 12:36:15,333 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-11-20 12:36:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-11-20 12:36:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 12:36:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 12:36:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-20 12:36:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-20 12:36:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 12:36:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 12:36:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 12:36:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 12:36:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 12:36:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 12:36:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-20 12:36:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-20 12:36:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-11-20 12:36:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-11-20 12:36:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_26 [2022-11-20 12:36:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_26 [2022-11-20 12:36:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 12:36:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 12:36:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 12:36:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 12:36:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-11-20 12:36:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-11-20 12:36:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 12:36:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 12:36:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 12:36:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 12:36:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 12:36:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 12:36:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 12:36:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 12:36:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-20 12:36:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-20 12:36:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 12:36:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 12:36:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 12:36:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 12:36:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:36:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-11-20 12:36:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-11-20 12:36:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 12:36:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:36:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:36:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:36:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 12:36:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 12:36:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-11-20 12:36:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-11-20 12:36:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 12:36:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 12:36:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-11-20 12:36:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-11-20 12:36:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-20 12:36:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-20 12:36:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 12:36:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 12:36:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 12:36:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 12:36:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-20 12:36:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-20 12:36:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 12:36:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 12:36:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-11-20 12:36:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-11-20 12:36:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-11-20 12:36:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-11-20 12:36:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-11-20 12:36:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-11-20 12:36:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 12:36:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 12:36:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 12:36:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 12:36:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-20 12:36:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-20 12:36:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 12:36:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 12:36:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-11-20 12:36:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-11-20 12:36:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 12:36:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 12:36:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 12:36:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 12:36:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 12:36:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 12:36:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 12:36:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 12:36:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-20 12:36:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-20 12:36:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-11-20 12:36:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-11-20 12:36:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-11-20 12:36:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-11-20 12:36:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 12:36:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 12:36:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 12:36:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 12:36:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 12:36:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 12:36:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-20 12:36:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-20 12:36:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:36:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 12:36:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 12:36:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 12:36:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 12:36:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 12:36:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 12:36:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-20 12:36:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-20 12:36:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-20 12:36:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-20 12:36:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 12:36:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 12:36:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 12:36:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 12:36:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:36:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 12:36:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 12:36:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 12:36:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 12:36:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 12:36:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 12:36:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:36:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:36:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 12:36:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:36:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:36:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:36:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 12:36:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 12:36:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 12:36:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 12:36:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-20 12:36:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-20 12:36:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-11-20 12:36:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-11-20 12:36:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 12:36:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 12:36:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-11-20 12:36:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-11-20 12:36:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 12:36:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 12:36:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-11-20 12:36:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-11-20 12:36:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 12:36:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 12:36:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:36:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-20 12:36:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-20 12:36:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:36:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:36:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-11-20 12:36:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-11-20 12:36:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-11-20 12:36:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-11-20 12:36:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 12:36:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 12:36:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:36:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-11-20 12:36:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-11-20 12:36:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-20 12:36:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-20 12:36:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:36:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-11-20 12:36:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-11-20 12:36:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:36:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:36:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:36:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:36:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:36:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:36:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-20 12:36:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-20 12:36:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-11-20 12:36:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-11-20 12:36:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 12:36:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 12:36:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 12:36:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 12:36:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-11-20 12:36:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-11-20 12:36:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-11-20 12:36:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-11-20 12:36:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-11-20 12:36:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-11-20 12:36:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 12:36:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 12:36:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-11-20 12:36:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-11-20 12:36:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 12:36:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 12:36:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 12:36:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 12:36:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 12:36:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 12:36:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-11-20 12:36:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-11-20 12:36:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-11-20 12:36:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-11-20 12:36:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-11-20 12:36:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-11-20 12:36:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 12:36:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 12:36:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-20 12:36:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-20 12:36:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-11-20 12:36:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-11-20 12:36:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-11-20 12:36:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-11-20 12:36:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:36:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-20 12:36:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-20 12:36:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-20 12:36:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-20 12:36:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 12:36:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 12:36:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 12:36:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 12:36:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-20 12:36:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-20 12:36:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:36:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-11-20 12:36:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-11-20 12:36:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-20 12:36:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-20 12:36:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:36:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:36:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:36:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:36:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-11-20 12:36:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-11-20 12:36:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:36:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 12:36:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 12:36:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 12:36:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 12:36:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-11-20 12:36:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-11-20 12:36:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 12:36:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 12:36:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 12:36:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 12:36:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-11-20 12:36:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-11-20 12:36:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 12:36:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 12:36:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 12:36:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 12:36:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-11-20 12:36:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-11-20 12:36:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-11-20 12:36:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-11-20 12:36:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-11-20 12:36:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-11-20 12:36:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 12:36:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 12:36:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 12:36:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 12:36:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-11-20 12:36:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-11-20 12:36:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-11-20 12:36:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-11-20 12:36:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-20 12:36:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-20 12:36:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-11-20 12:36:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-11-20 12:36:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 12:36:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 12:36:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 12:36:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 12:36:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-11-20 12:36:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-11-20 12:36:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:36:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:36:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 12:36:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 12:36:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 12:36:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 12:36:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-11-20 12:36:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-11-20 12:36:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-11-20 12:36:15,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-11-20 12:36:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-11-20 12:36:15,410 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-11-20 12:36:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-11-20 12:36:15,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-11-20 12:36:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:36:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-11-20 12:36:15,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-11-20 12:36:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 12:36:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:36:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:36:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:36:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:36:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-11-20 12:36:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-11-20 12:36:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-11-20 12:36:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-11-20 12:36:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 12:36:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 12:36:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 12:36:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 12:36:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-11-20 12:36:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-11-20 12:36:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-11-20 12:36:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-11-20 12:36:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-11-20 12:36:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-11-20 12:36:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 12:36:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 12:36:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 12:36:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 12:36:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-11-20 12:36:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-11-20 12:36:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 12:36:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 12:36:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-11-20 12:36:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-11-20 12:36:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-11-20 12:36:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-11-20 12:36:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-20 12:36:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-20 12:36:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-11-20 12:36:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-11-20 12:36:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-11-20 12:36:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-11-20 12:36:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-11-20 12:36:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-11-20 12:36:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 12:36:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 12:36:16,941 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:36:16,948 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:36:17,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:38:58,159 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 12:39:01,103 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:39:01,138 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:39:01,139 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:39:01,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:01 BoogieIcfgContainer [2022-11-20 12:39:01,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:39:01,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:39:01,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:39:01,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:39:01,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:36:06" (1/3) ... [2022-11-20 12:39:01,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39518916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:39:01, skipping insertion in model container [2022-11-20 12:39:01,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:14" (2/3) ... [2022-11-20 12:39:01,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39518916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:39:01, skipping insertion in model container [2022-11-20 12:39:01,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:01" (3/3) ... [2022-11-20 12:39:01,158 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 12:39:01,180 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:39:01,180 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 12:39:01,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:39:01,336 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;@2f955981, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:39:01,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 12:39:01,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 3352 states, 2330 states have (on average 1.267381974248927) internal successors, (2953), 2374 states have internal predecessors, (2953), 852 states have call successors, (852), 170 states have call predecessors, (852), 169 states have return successors, (842), 825 states have call predecessors, (842), 842 states have call successors, (842) [2022-11-20 12:39:01,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-11-20 12:39:01,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:01,407 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] [2022-11-20 12:39:01,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:01,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:01,413 INFO L85 PathProgramCache]: Analyzing trace with hash 190914571, now seen corresponding path program 1 times [2022-11-20 12:39:01,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:01,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374145161] [2022-11-20 12:39:01,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:01,440 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:01,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:01,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:01,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:39:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:06,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 4928 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:39:06,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:07,202 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 12:39:07,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:07,204 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:07,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374145161] [2022-11-20 12:39:07,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374145161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:07,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:07,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:39:07,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587639498] [2022-11-20 12:39:07,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:07,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:07,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:07,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:07,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:07,275 INFO L87 Difference]: Start difference. First operand has 3352 states, 2330 states have (on average 1.267381974248927) internal successors, (2953), 2374 states have internal predecessors, (2953), 852 states have call successors, (852), 170 states have call predecessors, (852), 169 states have return successors, (842), 825 states have call predecessors, (842), 842 states have call successors, (842) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 12:39:08,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:08,843 INFO L93 Difference]: Finished difference Result 9852 states and 13896 transitions. [2022-11-20 12:39:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:39:08,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 260 [2022-11-20 12:39:08,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:08,931 INFO L225 Difference]: With dead ends: 9852 [2022-11-20 12:39:08,932 INFO L226 Difference]: Without dead ends: 6528 [2022-11-20 12:39:08,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:08,967 INFO L413 NwaCegarLoop]: 5430 mSDtfsCounter, 4464 mSDsluCounter, 4557 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4464 SdHoareTripleChecker+Valid, 9987 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:08,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4464 Valid, 9987 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 12:39:09,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6528 states. [2022-11-20 12:39:09,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6528 to 6526. [2022-11-20 12:39:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6526 states, 4550 states have (on average 1.2615384615384615) internal successors, (5740), 4635 states have internal predecessors, (5740), 1639 states have call successors, (1639), 336 states have call predecessors, (1639), 335 states have return successors, (1636), 1602 states have call predecessors, (1636), 1636 states have call successors, (1636) [2022-11-20 12:39:09,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6526 states to 6526 states and 9015 transitions. [2022-11-20 12:39:09,628 INFO L78 Accepts]: Start accepts. Automaton has 6526 states and 9015 transitions. Word has length 260 [2022-11-20 12:39:09,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:09,634 INFO L495 AbstractCegarLoop]: Abstraction has 6526 states and 9015 transitions. [2022-11-20 12:39:09,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 12:39:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 6526 states and 9015 transitions. [2022-11-20 12:39:09,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-20 12:39:09,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:09,656 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 12:39:09,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:09,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:09,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:09,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:09,858 INFO L85 PathProgramCache]: Analyzing trace with hash -703574848, now seen corresponding path program 1 times [2022-11-20 12:39:09,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:09,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548796495] [2022-11-20 12:39:09,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:09,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:09,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:09,869 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:09,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 12:39:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:15,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 5015 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:39:15,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:15,598 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 12:39:15,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:15,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:15,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548796495] [2022-11-20 12:39:15,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548796495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:15,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:15,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:39:15,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702658563] [2022-11-20 12:39:15,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:15,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:15,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:15,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:15,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:15,603 INFO L87 Difference]: Start difference. First operand 6526 states and 9015 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 12:39:17,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:17,160 INFO L93 Difference]: Finished difference Result 15208 states and 20927 transitions. [2022-11-20 12:39:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:39:17,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 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 12:39:17,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:17,293 INFO L225 Difference]: With dead ends: 15208 [2022-11-20 12:39:17,293 INFO L226 Difference]: Without dead ends: 8729 [2022-11-20 12:39:17,326 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 12:39:17,329 INFO L413 NwaCegarLoop]: 5292 mSDtfsCounter, 3704 mSDsluCounter, 4519 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3704 SdHoareTripleChecker+Valid, 9811 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:17,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3704 Valid, 9811 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 12:39:17,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8729 states. [2022-11-20 12:39:17,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8729 to 8720. [2022-11-20 12:39:17,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8720 states, 6064 states have (on average 1.254287598944591) internal successors, (7606), 6184 states have internal predecessors, (7606), 2169 states have call successors, (2169), 487 states have call predecessors, (2169), 485 states have return successors, (2166), 2114 states have call predecessors, (2166), 2166 states have call successors, (2166) [2022-11-20 12:39:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8720 states to 8720 states and 11941 transitions. [2022-11-20 12:39:17,923 INFO L78 Accepts]: Start accepts. Automaton has 8720 states and 11941 transitions. Word has length 278 [2022-11-20 12:39:17,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:17,924 INFO L495 AbstractCegarLoop]: Abstraction has 8720 states and 11941 transitions. [2022-11-20 12:39:17,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 12:39:17,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8720 states and 11941 transitions. [2022-11-20 12:39:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-20 12:39:17,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:17,935 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] [2022-11-20 12:39:18,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:18,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:18,158 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:18,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:18,159 INFO L85 PathProgramCache]: Analyzing trace with hash 307018991, now seen corresponding path program 1 times [2022-11-20 12:39:18,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:18,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29092263] [2022-11-20 12:39:18,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:18,166 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:18,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:18,168 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:18,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:39:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:23,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 4991 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:39:23,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:23,410 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 12:39:23,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:23,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:23,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29092263] [2022-11-20 12:39:23,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29092263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:23,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:23,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:39:23,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311835832] [2022-11-20 12:39:23,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:23,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:23,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:23,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:23,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:23,415 INFO L87 Difference]: Start difference. First operand 8720 states and 11941 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 12:39:25,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:25,138 INFO L93 Difference]: Finished difference Result 23184 states and 31756 transitions. [2022-11-20 12:39:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:39:25,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 292 [2022-11-20 12:39:25,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:25,267 INFO L225 Difference]: With dead ends: 23184 [2022-11-20 12:39:25,268 INFO L226 Difference]: Without dead ends: 14511 [2022-11-20 12:39:25,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:25,316 INFO L413 NwaCegarLoop]: 5398 mSDtfsCounter, 4398 mSDsluCounter, 4548 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4398 SdHoareTripleChecker+Valid, 9946 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:25,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4398 Valid, 9946 Invalid, 62 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 12:39:25,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14511 states. [2022-11-20 12:39:26,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14511 to 14498. [2022-11-20 12:39:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14498 states, 10092 states have (on average 1.253369005152596) internal successors, (12649), 10300 states have internal predecessors, (12649), 3598 states have call successors, (3598), 809 states have call predecessors, (3598), 806 states have return successors, (3595), 3499 states have call predecessors, (3595), 3595 states have call successors, (3595) [2022-11-20 12:39:26,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14498 states to 14498 states and 19842 transitions. [2022-11-20 12:39:26,619 INFO L78 Accepts]: Start accepts. Automaton has 14498 states and 19842 transitions. Word has length 292 [2022-11-20 12:39:26,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:26,621 INFO L495 AbstractCegarLoop]: Abstraction has 14498 states and 19842 transitions. [2022-11-20 12:39:26,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 12:39:26,622 INFO L276 IsEmpty]: Start isEmpty. Operand 14498 states and 19842 transitions. [2022-11-20 12:39:26,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-20 12:39:26,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:26,640 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 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] [2022-11-20 12:39:26,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:26,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:26,863 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:26,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:26,863 INFO L85 PathProgramCache]: Analyzing trace with hash -984197959, now seen corresponding path program 1 times [2022-11-20 12:39:26,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:26,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1240661003] [2022-11-20 12:39:26,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:26,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:26,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:26,872 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:26,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 12:39:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:32,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 5056 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:39:32,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:32,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2100 trivial. 0 not checked. [2022-11-20 12:39:32,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:32,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:32,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1240661003] [2022-11-20 12:39:32,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1240661003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:32,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:32,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:39:32,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66242127] [2022-11-20 12:39:32,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:32,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:32,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:32,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:32,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:32,378 INFO L87 Difference]: Start difference. First operand 14498 states and 19842 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:39:34,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:34,457 INFO L93 Difference]: Finished difference Result 37963 states and 52014 transitions. [2022-11-20 12:39:34,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:39:34,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 320 [2022-11-20 12:39:34,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:34,695 INFO L225 Difference]: With dead ends: 37963 [2022-11-20 12:39:34,695 INFO L226 Difference]: Without dead ends: 26090 [2022-11-20 12:39:34,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:34,750 INFO L413 NwaCegarLoop]: 8876 mSDtfsCounter, 4413 mSDsluCounter, 4560 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4413 SdHoareTripleChecker+Valid, 13436 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:34,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4413 Valid, 13436 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 12:39:34,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26090 states. [2022-11-20 12:39:37,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26090 to 26088. [2022-11-20 12:39:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26088 states, 18178 states have (on average 1.2539883375508858) internal successors, (22795), 18540 states have internal predecessors, (22795), 6460 states have call successors, (6460), 1451 states have call predecessors, (6460), 1448 states have return successors, (6457), 6297 states have call predecessors, (6457), 6457 states have call successors, (6457) [2022-11-20 12:39:37,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26088 states to 26088 states and 35712 transitions. [2022-11-20 12:39:37,188 INFO L78 Accepts]: Start accepts. Automaton has 26088 states and 35712 transitions. Word has length 320 [2022-11-20 12:39:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:37,189 INFO L495 AbstractCegarLoop]: Abstraction has 26088 states and 35712 transitions. [2022-11-20 12:39:37,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:39:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 26088 states and 35712 transitions. [2022-11-20 12:39:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-20 12:39:37,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:37,208 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 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] [2022-11-20 12:39:37,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:37,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:37,423 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:37,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:37,423 INFO L85 PathProgramCache]: Analyzing trace with hash -922158345, now seen corresponding path program 1 times [2022-11-20 12:39:37,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:37,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171348732] [2022-11-20 12:39:37,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:37,432 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:37,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:37,433 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:37,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 12:39:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:42,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 5056 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:39:42,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2022-11-20 12:39:46,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:46,332 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:46,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171348732] [2022-11-20 12:39:46,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171348732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:46,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:46,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:39:46,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838659515] [2022-11-20 12:39:46,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:46,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:39:46,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:46,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:39:46,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:39:46,336 INFO L87 Difference]: Start difference. First operand 26088 states and 35712 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-20 12:39:48,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:48,624 INFO L93 Difference]: Finished difference Result 26088 states and 35712 transitions. [2022-11-20 12:39:48,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:39:48,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 320 [2022-11-20 12:39:48,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:48,779 INFO L225 Difference]: With dead ends: 26088 [2022-11-20 12:39:48,779 INFO L226 Difference]: Without dead ends: 26033 [2022-11-20 12:39:48,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:39:48,803 INFO L413 NwaCegarLoop]: 4589 mSDtfsCounter, 4463 mSDsluCounter, 4589 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4463 SdHoareTripleChecker+Valid, 9178 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:48,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4463 Valid, 9178 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:39:48,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26033 states. [2022-11-20 12:39:50,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26033 to 26033. [2022-11-20 12:39:50,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26033 states, 18153 states have (on average 1.2536770781688977) internal successors, (22758), 18503 states have internal predecessors, (22758), 6433 states have call successors, (6433), 1446 states have call predecessors, (6433), 1446 states have return successors, (6433), 6284 states have call predecessors, (6433), 6433 states have call successors, (6433) [2022-11-20 12:39:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26033 states to 26033 states and 35624 transitions. [2022-11-20 12:39:51,098 INFO L78 Accepts]: Start accepts. Automaton has 26033 states and 35624 transitions. Word has length 320 [2022-11-20 12:39:51,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:51,099 INFO L495 AbstractCegarLoop]: Abstraction has 26033 states and 35624 transitions. [2022-11-20 12:39:51,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-20 12:39:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 26033 states and 35624 transitions. [2022-11-20 12:39:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-20 12:39:51,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:51,146 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 5, 5, 5, 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] [2022-11-20 12:39:51,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:51,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:51,363 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:51,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:51,363 INFO L85 PathProgramCache]: Analyzing trace with hash 2018598298, now seen corresponding path program 1 times [2022-11-20 12:39:51,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:51,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997023980] [2022-11-20 12:39:51,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:51,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:39:51,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:51,370 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:39:51,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 12:39:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:56,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 5160 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:39:56,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 2034 trivial. 0 not checked. [2022-11-20 12:39:57,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:57,499 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:57,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997023980] [2022-11-20 12:39:57,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997023980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:57,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:57,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:39:57,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840866967] [2022-11-20 12:39:57,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:57,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:57,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:57,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:57,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:57,508 INFO L87 Difference]: Start difference. First operand 26033 states and 35624 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 12:40:00,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:00,592 INFO L93 Difference]: Finished difference Result 60045 states and 82148 transitions. [2022-11-20 12:40:00,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:40:00,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (34), 3 states have call predecessors, (34), 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 12:40:00,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:40:00,852 INFO L225 Difference]: With dead ends: 60045 [2022-11-20 12:40:00,852 INFO L226 Difference]: Without dead ends: 36637 [2022-11-20 12:40:00,972 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 12:40:00,974 INFO L413 NwaCegarLoop]: 8116 mSDtfsCounter, 3657 mSDsluCounter, 4489 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3657 SdHoareTripleChecker+Valid, 12605 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:40:00,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3657 Valid, 12605 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 12:40:01,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36637 states. [2022-11-20 12:40:04,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36637 to 36633. [2022-11-20 12:40:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36633 states, 25529 states have (on average 1.2520662775666889) internal successors, (31964), 26027 states have internal predecessors, (31964), 9033 states have call successors, (9033), 2070 states have call predecessors, (9033), 2070 states have return successors, (9033), 8820 states have call predecessors, (9033), 9033 states have call successors, (9033) [2022-11-20 12:40:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36633 states to 36633 states and 50030 transitions. [2022-11-20 12:40:04,415 INFO L78 Accepts]: Start accepts. Automaton has 36633 states and 50030 transitions. Word has length 346 [2022-11-20 12:40:04,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:40:04,417 INFO L495 AbstractCegarLoop]: Abstraction has 36633 states and 50030 transitions. [2022-11-20 12:40:04,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 12:40:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 36633 states and 50030 transitions. [2022-11-20 12:40:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-11-20 12:40:04,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:40:04,485 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 21, 21, 21, 21, 21, 21, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:04,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:04,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:40:04,699 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:40:04,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:04,699 INFO L85 PathProgramCache]: Analyzing trace with hash -560021204, now seen corresponding path program 1 times [2022-11-20 12:40:04,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:40:04,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440382731] [2022-11-20 12:40:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:04,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:40:04,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:40:04,708 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:40:04,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 12:40:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:10,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 5149 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:40:10,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2022-11-20 12:40:10,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:40:10,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:40:10,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440382731] [2022-11-20 12:40:10,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440382731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:40:10,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:40:10,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:40:10,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495559198] [2022-11-20 12:40:10,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:40:10,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:40:10,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:40:10,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:40:10,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:40:10,625 INFO L87 Difference]: Start difference. First operand 36633 states and 50030 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-20 12:40:14,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:14,361 INFO L93 Difference]: Finished difference Result 87484 states and 119524 transitions. [2022-11-20 12:40:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:40:14,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 374 [2022-11-20 12:40:14,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:40:14,653 INFO L225 Difference]: With dead ends: 87484 [2022-11-20 12:40:14,653 INFO L226 Difference]: Without dead ends: 50842 [2022-11-20 12:40:15,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:40:15,063 INFO L413 NwaCegarLoop]: 8581 mSDtfsCounter, 4409 mSDsluCounter, 4538 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4409 SdHoareTripleChecker+Valid, 13119 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:40:15,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4409 Valid, 13119 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:40:15,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50842 states. [2022-11-20 12:40:18,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50842 to 50840. [2022-11-20 12:40:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50840 states, 35423 states have (on average 1.252604240182932) internal successors, (44371), 36111 states have internal predecessors, (44371), 12547 states have call successors, (12547), 2869 states have call predecessors, (12547), 2869 states have return successors, (12547), 12255 states have call predecessors, (12547), 12547 states have call successors, (12547) [2022-11-20 12:40:18,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50840 states to 50840 states and 69465 transitions. [2022-11-20 12:40:18,991 INFO L78 Accepts]: Start accepts. Automaton has 50840 states and 69465 transitions. Word has length 374 [2022-11-20 12:40:18,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:40:18,992 INFO L495 AbstractCegarLoop]: Abstraction has 50840 states and 69465 transitions. [2022-11-20 12:40:18,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-20 12:40:18,992 INFO L276 IsEmpty]: Start isEmpty. Operand 50840 states and 69465 transitions. [2022-11-20 12:40:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-11-20 12:40:19,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:40:19,106 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 21, 21, 21, 21, 21, 21, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:19,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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)] Forceful destruction successful, exit code 0 [2022-11-20 12:40:19,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:40:19,331 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:40:19,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:19,332 INFO L85 PathProgramCache]: Analyzing trace with hash -579696118, now seen corresponding path program 1 times [2022-11-20 12:40:19,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:40:19,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543312352] [2022-11-20 12:40:19,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:19,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:40:19,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:40:19,340 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:40:19,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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 (9)] Waiting until timeout for monitored process [2022-11-20 12:40:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:24,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 5187 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 12:40:24,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:40:27,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 465 proven. 3 refuted. 0 times theorem prover too weak. 2053 trivial. 0 not checked. [2022-11-20 12:40:27,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:40:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 2449 trivial. 0 not checked. [2022-11-20 12:40:29,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:40:29,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543312352] [2022-11-20 12:40:29,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543312352] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:40:29,490 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:40:29,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 23 [2022-11-20 12:40:29,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617313296] [2022-11-20 12:40:29,491 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:40:29,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-20 12:40:29,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:40:29,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-20 12:40:29,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-11-20 12:40:29,494 INFO L87 Difference]: Start difference. First operand 50840 states and 69465 transitions. Second operand has 23 states, 22 states have (on average 6.954545454545454) internal successors, (153), 21 states have internal predecessors, (153), 6 states have call successors, (52), 3 states have call predecessors, (52), 8 states have return successors, (52), 7 states have call predecessors, (52), 6 states have call successors, (52) [2022-11-20 12:41:52,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:41:52,221 INFO L93 Difference]: Finished difference Result 130182 states and 177887 transitions. [2022-11-20 12:41:52,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-20 12:41:52,223 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.954545454545454) internal successors, (153), 21 states have internal predecessors, (153), 6 states have call successors, (52), 3 states have call predecessors, (52), 8 states have return successors, (52), 7 states have call predecessors, (52), 6 states have call successors, (52) Word has length 400 [2022-11-20 12:41:52,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:41:52,721 INFO L225 Difference]: With dead ends: 130182 [2022-11-20 12:41:52,721 INFO L226 Difference]: Without dead ends: 79306 [2022-11-20 12:41:53,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 813 GetRequests, 778 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=193, Invalid=1139, Unknown=0, NotChecked=0, Total=1332 [2022-11-20 12:41:53,053 INFO L413 NwaCegarLoop]: 9401 mSDtfsCounter, 16291 mSDsluCounter, 136336 mSDsCounter, 0 mSdLazyCounter, 10487 mSolverCounterSat, 3471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16719 SdHoareTripleChecker+Valid, 145737 SdHoareTripleChecker+Invalid, 13958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 3471 IncrementalHoareTripleChecker+Valid, 10487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:41:53,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16719 Valid, 145737 Invalid, 13958 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [3471 Valid, 10487 Invalid, 0 Unknown, 0 Unchecked, 73.5s Time] [2022-11-20 12:41:53,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79306 states. [2022-11-20 12:41:57,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79306 to 50887. [2022-11-20 12:41:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50887 states, 35457 states have (on average 1.2524466254900302) internal successors, (44408), 36145 states have internal predecessors, (44408), 12549 states have call successors, (12549), 2880 states have call predecessors, (12549), 2880 states have return successors, (12549), 12257 states have call predecessors, (12549), 12549 states have call successors, (12549) [2022-11-20 12:41:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50887 states to 50887 states and 69506 transitions. [2022-11-20 12:41:57,619 INFO L78 Accepts]: Start accepts. Automaton has 50887 states and 69506 transitions. Word has length 400 [2022-11-20 12:41:57,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:41:57,620 INFO L495 AbstractCegarLoop]: Abstraction has 50887 states and 69506 transitions. [2022-11-20 12:41:57,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.954545454545454) internal successors, (153), 21 states have internal predecessors, (153), 6 states have call successors, (52), 3 states have call predecessors, (52), 8 states have return successors, (52), 7 states have call predecessors, (52), 6 states have call successors, (52) [2022-11-20 12:41:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 50887 states and 69506 transitions. [2022-11-20 12:41:57,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-11-20 12:41:57,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:41:57,684 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 21, 21, 21, 21, 21, 21, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:57,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:41:57,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:41:57,899 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:41:57,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:57,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1266118474, now seen corresponding path program 1 times [2022-11-20 12:41:57,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:41:57,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306184685] [2022-11-20 12:41:57,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:57,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:41:57,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:41:57,908 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:41:57,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd00aa2-4e68-4ac2-85d4-0d53f68d106e/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 (10)] Waiting until timeout for monitored process [2022-11-20 12:42:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:03,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 5204 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:42:03,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:03,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 2298 trivial. 0 not checked. [2022-11-20 12:42:03,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:42:03,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:42:03,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [306184685] [2022-11-20 12:42:03,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [306184685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:42:03,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:42:03,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:42:03,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898185259] [2022-11-20 12:42:03,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:42:03,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:42:03,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:42:03,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:42:03,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:42:03,536 INFO L87 Difference]: Start difference. First operand 50887 states and 69506 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, (41), 3 states have call predecessors, (41), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-20 12:42:08,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:42:08,119 INFO L93 Difference]: Finished difference Result 115956 states and 158410 transitions. [2022-11-20 12:42:08,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:42:08,120 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, (41), 3 states have call predecessors, (41), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 408 [2022-11-20 12:42:08,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:42:08,486 INFO L225 Difference]: With dead ends: 115956 [2022-11-20 12:42:08,486 INFO L226 Difference]: Without dead ends: 65096 [2022-11-20 12:42:08,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:42:08,987 INFO L413 NwaCegarLoop]: 8978 mSDtfsCounter, 4407 mSDsluCounter, 4538 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4407 SdHoareTripleChecker+Valid, 13516 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:42:08,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4407 Valid, 13516 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:42:09,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65096 states.