./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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_51f8cc36-6bae-403b-b76f-83b449a17502/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 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 --- 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 12:00:40,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:00:40,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:00:40,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:00:40,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:00:40,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:00:40,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:00:40,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:00:40,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:00:40,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:00:40,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:00:40,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:00:40,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:00:40,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:00:40,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:00:40,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:00:40,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:00:40,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:00:40,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:00:40,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:00:40,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:00:40,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:00:40,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:00:40,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:00:40,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:00:40,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:00:40,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:00:40,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:00:40,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:00:40,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:00:40,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:00:40,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:00:40,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:00:40,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:00:40,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:00:40,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:00:40,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:00:40,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:00:40,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:00:40,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:00:40,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:00:40,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:00:41,026 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:00:41,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:00:41,028 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:00:41,028 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:00:41,029 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:00:41,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:00:41,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:00:41,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:00:41,031 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:00:41,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:00:41,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:00:41,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:00:41,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:00:41,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:00:41,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:00:41,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:00:41,035 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:00:41,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:00:41,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:00:41,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:00:41,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:00:41,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:00:41,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:00:41,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:00:41,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:00:41,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:00:41,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:00:41,038 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:00:41,039 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:00:41,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:00:41,039 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_51f8cc36-6bae-403b-b76f-83b449a17502/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-11-20 12:00:41,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:00:41,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:00:41,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:00:41,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:00:41,443 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:00:41,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-11-20 12:00:44,851 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:00:45,448 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:00:45,449 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-11-20 12:00:45,492 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/data/ca4d0ed2e/6a2c0a614cd14a9bac89f4bb10026b1d/FLAG74fa55630 [2022-11-20 12:00:45,511 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/data/ca4d0ed2e/6a2c0a614cd14a9bac89f4bb10026b1d [2022-11-20 12:00:45,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:00:45,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:00:45,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:00:45,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:00:45,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:00:45,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:45" (1/1) ... [2022-11-20 12:00:45,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cacb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:45, skipping insertion in model container [2022-11-20 12:00:45,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:45" (1/1) ... [2022-11-20 12:00:45,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:00:45,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:00:46,094 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-11-20 12:00:46,095 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-11-20 12:00:46,095 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-11-20 12:00:46,096 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-11-20 12:00:46,096 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-11-20 12:00:46,096 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-11-20 12:00:46,098 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-11-20 12:00:46,099 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-11-20 12:00:46,099 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-11-20 12:00:46,099 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-11-20 12:00:46,100 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-11-20 12:00:46,100 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-11-20 12:00:46,433 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_51f8cc36-6bae-403b-b76f-83b449a17502/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2022-11-20 12:00:47,106 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: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 12:00:47,122 INFO L158 Benchmark]: Toolchain (without parser) took 1603.82ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 84.3MB in the beginning and 101.4MB in the end (delta: -17.1MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-11-20 12:00:47,122 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 136.3MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:00:47,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1599.82ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 84.3MB in the beginning and 101.4MB in the end (delta: -17.1MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-11-20 12:00:47,125 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 136.3MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1599.82ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 84.3MB in the beginning and 101.4MB in the end (delta: -17.1MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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_51f8cc36-6bae-403b-b76f-83b449a17502/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 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 --- 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 12:00:49,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:00:49,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:00:49,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:00:49,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:00:49,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:00:49,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:00:49,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:00:49,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:00:49,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:00:49,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:00:49,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:00:49,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:00:49,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:00:49,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:00:49,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:00:49,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:00:49,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:00:49,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:00:49,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:00:49,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:00:49,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:00:49,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:00:49,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:00:49,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:00:49,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:00:49,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:00:49,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:00:49,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:00:49,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:00:49,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:00:49,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:00:49,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:00:49,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:00:49,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:00:49,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:00:49,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:00:49,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:00:49,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:00:49,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:00:49,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:00:49,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:00:49,560 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:00:49,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:00:49,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:00:49,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:00:49,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:00:49,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:00:49,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:00:49,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:00:49,565 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:00:49,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:00:49,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:00:49,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:00:49,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:00:49,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:00:49,568 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:00:49,568 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:00:49,568 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:00:49,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:00:49,569 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:00:49,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:00:49,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:00:49,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:00:49,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:00:49,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:00:49,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:00:49,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:00:49,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:00:49,571 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:00:49,572 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:00:49,572 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:00:49,572 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:00:49,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:00:49,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:00:49,573 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_51f8cc36-6bae-403b-b76f-83b449a17502/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-11-20 12:00:49,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:00:50,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:00:50,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:00:50,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:00:50,018 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:00:50,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-11-20 12:00:53,151 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:00:53,712 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:00:53,713 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-11-20 12:00:53,748 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/data/7ce55cd53/40151fca699d482781dd45da731a60e8/FLAG1f2d793f7 [2022-11-20 12:00:53,764 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/data/7ce55cd53/40151fca699d482781dd45da731a60e8 [2022-11-20 12:00:53,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:00:53,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:00:53,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:00:53,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:00:53,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:00:53,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:53" (1/1) ... [2022-11-20 12:00:53,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5598b83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:53, skipping insertion in model container [2022-11-20 12:00:53,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:53" (1/1) ... [2022-11-20 12:00:53,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:00:53,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:00:54,423 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-11-20 12:00:54,424 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-11-20 12:00:54,424 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-11-20 12:00:54,425 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-11-20 12:00:54,425 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-11-20 12:00:54,427 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-11-20 12:00:54,434 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-11-20 12:00:54,436 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-11-20 12:00:54,436 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-11-20 12:00:54,437 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-11-20 12:00:54,438 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-11-20 12:00:54,439 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-11-20 12:00:54,904 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_51f8cc36-6bae-403b-b76f-83b449a17502/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2022-11-20 12:00:56,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:00:56,490 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:00:56,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:00:56,646 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-11-20 12:00:56,646 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-11-20 12:00:56,646 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-11-20 12:00:56,647 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-11-20 12:00:56,647 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-11-20 12:00:56,647 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-11-20 12:00:56,648 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-11-20 12:00:56,649 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-11-20 12:00:56,649 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-11-20 12:00:56,649 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-11-20 12:00:56,650 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-11-20 12:00:56,650 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-11-20 12:00:56,659 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_51f8cc36-6bae-403b-b76f-83b449a17502/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2022-11-20 12:00:57,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:00:57,114 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:00:57,191 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-11-20 12:00:57,192 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-11-20 12:00:57,192 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-11-20 12:00:57,192 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-11-20 12:00:57,193 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-11-20 12:00:57,193 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-11-20 12:00:57,193 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-11-20 12:00:57,194 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-11-20 12:00:57,194 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-11-20 12:00:57,194 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-11-20 12:00:57,194 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-11-20 12:00:57,194 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-11-20 12:00:57,203 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_51f8cc36-6bae-403b-b76f-83b449a17502/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2022-11-20 12:00:57,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:00:57,753 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:00:57,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57 WrapperNode [2022-11-20 12:00:57,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:00:57,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:00:57,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:00:57,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:00:57,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (1/1) ... [2022-11-20 12:00:57,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (1/1) ... [2022-11-20 12:00:58,190 INFO L138 Inliner]: procedures = 359, calls = 3370, calls flagged for inlining = 153, calls inlined = 153, statements flattened = 7003 [2022-11-20 12:00:58,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:00:58,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:00:58,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:00:58,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:00:58,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (1/1) ... [2022-11-20 12:00:58,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (1/1) ... [2022-11-20 12:00:58,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (1/1) ... [2022-11-20 12:00:58,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (1/1) ... [2022-11-20 12:00:58,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (1/1) ... [2022-11-20 12:00:58,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (1/1) ... [2022-11-20 12:00:58,585 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (1/1) ... [2022-11-20 12:00:58,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (1/1) ... [2022-11-20 12:00:58,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:00:58,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:00:58,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:00:58,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:00:58,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (1/1) ... [2022-11-20 12:00:58,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:00:58,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:58,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:58,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:00:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-11-20 12:00:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-11-20 12:00:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 12:00:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 12:00:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-11-20 12:00:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-11-20 12:00:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-11-20 12:00:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-11-20 12:00:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-11-20 12:00:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-11-20 12:00:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:00:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:00:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-20 12:00:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-20 12:00:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:00:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:00:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-11-20 12:00:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-11-20 12:00:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:00:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-20 12:00:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-20 12:00:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-11-20 12:00:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-11-20 12:00:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:00:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:00:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-11-20 12:00:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-11-20 12:00:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-11-20 12:00:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-11-20 12:00:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 12:00:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 12:00:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-11-20 12:00:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-11-20 12:00:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:00:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:00:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-11-20 12:00:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-11-20 12:00:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-11-20 12:00:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-11-20 12:00:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-11-20 12:00:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-11-20 12:00:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-11-20 12:00:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-11-20 12:00:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-11-20 12:00:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-11-20 12:00:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-11-20 12:00:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-11-20 12:00:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-11-20 12:00:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-11-20 12:00:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-11-20 12:00:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-11-20 12:00:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-11-20 12:00:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-11-20 12:00:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-11-20 12:00:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-11-20 12:00:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 12:00:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 12:00:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 12:00:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 12:00:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-11-20 12:00:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-11-20 12:00:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-11-20 12:00:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-11-20 12:00:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 12:00:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 12:00:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 12:00:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 12:00:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-20 12:00:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-20 12:00:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-11-20 12:00:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-11-20 12:00:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-11-20 12:00:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-11-20 12:00:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:00:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:00:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-11-20 12:00:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-11-20 12:00:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-11-20 12:00:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-11-20 12:00:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-11-20 12:00:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-11-20 12:00:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-11-20 12:00:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-11-20 12:00:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-11-20 12:00:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-11-20 12:00:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-11-20 12:00:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-11-20 12:00:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-11-20 12:00:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-11-20 12:00:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-11-20 12:00:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-11-20 12:00:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-20 12:00:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-20 12:00:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:00:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 12:00:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 12:00:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-11-20 12:00:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-11-20 12:00:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:00:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-11-20 12:00:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-11-20 12:00:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-11-20 12:00:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-11-20 12:00:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 12:00:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 12:00:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-11-20 12:00:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-11-20 12:00:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 12:00:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 12:00:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-11-20 12:00:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-11-20 12:00:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:00:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:00:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-11-20 12:00:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-11-20 12:00:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-20 12:00:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-20 12:00:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:00:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:00:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:00:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-11-20 12:00:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-11-20 12:00:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:00:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:00:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-11-20 12:00:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-11-20 12:00:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-11-20 12:00:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-11-20 12:00:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:00:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-20 12:00:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 12:00:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 12:00:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-11-20 12:00:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-11-20 12:00:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-20 12:00:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-20 12:00:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-11-20 12:00:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-11-20 12:00:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-11-20 12:00:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-11-20 12:00:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-11-20 12:00:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-11-20 12:00:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 12:00:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 12:00:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-11-20 12:00:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-11-20 12:00:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-11-20 12:00:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-11-20 12:00:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-11-20 12:00:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-11-20 12:00:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-11-20 12:00:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-11-20 12:00:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 12:00:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 12:00:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-11-20 12:00:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-11-20 12:00:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-11-20 12:00:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-11-20 12:00:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-20 12:00:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-20 12:00:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-20 12:00:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-20 12:00:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-11-20 12:00:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-11-20 12:00:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 12:00:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 12:00:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-11-20 12:00:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-11-20 12:00:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-20 12:00:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-20 12:00:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-11-20 12:00:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-11-20 12:00:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-11-20 12:00:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-11-20 12:00:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 12:00:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 12:00:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-11-20 12:00:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-11-20 12:00:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-11-20 12:00:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-11-20 12:00:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 12:00:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 12:00:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:00:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:00:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-20 12:00:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-20 12:00:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-20 12:00:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-20 12:00:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-11-20 12:00:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-11-20 12:00:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-11-20 12:00:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-11-20 12:00:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-11-20 12:00:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-11-20 12:00:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-11-20 12:00:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-11-20 12:00:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-20 12:00:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-20 12:00:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 12:00:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 12:00:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-11-20 12:00:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-11-20 12:00:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-11-20 12:00:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-11-20 12:00:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-11-20 12:00:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-11-20 12:00:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 12:00:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 12:00:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-11-20 12:00:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-11-20 12:00:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-11-20 12:00:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-11-20 12:00:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:00:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:00:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:00:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:00:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:00:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-11-20 12:00:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-11-20 12:00:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-11-20 12:00:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-11-20 12:00:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-11-20 12:00:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-11-20 12:00:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-11-20 12:00:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-11-20 12:00:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:00:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-11-20 12:00:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-11-20 12:00:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-11-20 12:00:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-11-20 12:00:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-20 12:00:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-20 12:00:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-11-20 12:00:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-11-20 12:00:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:00:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 12:00:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 12:00:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-11-20 12:00:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-11-20 12:00:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-11-20 12:00:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-11-20 12:00:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 12:00:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 12:00:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-11-20 12:00:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-11-20 12:00:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:00:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 12:00:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:00:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-20 12:00:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-20 12:00:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:00:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:00:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:00:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-20 12:00:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-20 12:00:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-11-20 12:00:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-11-20 12:00:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-11-20 12:00:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-11-20 12:00:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-11-20 12:00:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-11-20 12:00:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 12:00:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 12:00:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-11-20 12:00:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-11-20 12:00:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-11-20 12:00:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-11-20 12:00:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-11-20 12:00:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-11-20 12:00:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-11-20 12:00:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-11-20 12:00:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-11-20 12:00:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-11-20 12:00:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 12:00:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 12:00:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-11-20 12:00:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-11-20 12:00:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-11-20 12:00:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-11-20 12:00:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:00:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-20 12:00:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-20 12:00:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-20 12:00:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-20 12:00:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-11-20 12:00:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-11-20 12:00:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-11-20 12:00:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-11-20 12:00:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:00:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:00:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 12:00:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 12:01:00,011 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:01:00,015 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:01:09,568 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:02:21,985 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:02:22,013 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:02:22,013 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:02:22,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:02:22 BoogieIcfgContainer [2022-11-20 12:02:22,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:02:22,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:02:22,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:02:22,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:02:22,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:00:53" (1/3) ... [2022-11-20 12:02:22,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d30a4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:02:22, skipping insertion in model container [2022-11-20 12:02:22,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:57" (2/3) ... [2022-11-20 12:02:22,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d30a4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:02:22, skipping insertion in model container [2022-11-20 12:02:22,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:02:22" (3/3) ... [2022-11-20 12:02:22,031 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-11-20 12:02:22,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:02:22,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:02:22,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:02:22,218 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;@2b77cd18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:02:22,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:02:22,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 2619 states, 1878 states have (on average 1.4190628328008519) internal successors, (2665), 1964 states have internal predecessors, (2665), 608 states have call successors, (608), 132 states have call predecessors, (608), 131 states have return successors, (593), 560 states have call predecessors, (593), 593 states have call successors, (593) [2022-11-20 12:02:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-20 12:02:22,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:22,265 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:22,266 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:22,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:22,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1842381435, now seen corresponding path program 1 times [2022-11-20 12:02:22,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:02:22,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043727704] [2022-11-20 12:02:22,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:22,308 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 12:02:22,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:02:22,318 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:22,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:25,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:02:25,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:25,835 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-20 12:02:25,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:02:25,837 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:02:25,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043727704] [2022-11-20 12:02:25,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2043727704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:02:25,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:02:25,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:02:25,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192068254] [2022-11-20 12:02:25,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:25,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:02:25,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:02:25,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:02:25,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:02:25,887 INFO L87 Difference]: Start difference. First operand has 2619 states, 1878 states have (on average 1.4190628328008519) internal successors, (2665), 1964 states have internal predecessors, (2665), 608 states have call successors, (608), 132 states have call predecessors, (608), 131 states have return successors, (593), 560 states have call predecessors, (593), 593 states have call successors, (593) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:02:26,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:26,474 INFO L93 Difference]: Finished difference Result 5236 states and 7930 transitions. [2022-11-20 12:02:26,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:02:26,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 107 [2022-11-20 12:02:26,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:26,522 INFO L225 Difference]: With dead ends: 5236 [2022-11-20 12:02:26,522 INFO L226 Difference]: Without dead ends: 2594 [2022-11-20 12:02:26,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 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 12:02:26,555 INFO L413 NwaCegarLoop]: 3859 mSDtfsCounter, 2 mSDsluCounter, 7711 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11570 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:26,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11570 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:02:26,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2022-11-20 12:02:26,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 2594. [2022-11-20 12:02:26,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2594 states, 1872 states have (on average 1.4091880341880343) internal successors, (2638), 1940 states have internal predecessors, (2638), 591 states have call successors, (591), 131 states have call predecessors, (591), 130 states have return successors, (590), 557 states have call predecessors, (590), 590 states have call successors, (590) [2022-11-20 12:02:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3819 transitions. [2022-11-20 12:02:26,845 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3819 transitions. Word has length 107 [2022-11-20 12:02:26,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:26,849 INFO L495 AbstractCegarLoop]: Abstraction has 2594 states and 3819 transitions. [2022-11-20 12:02:26,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:02:26,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3819 transitions. [2022-11-20 12:02:26,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-20 12:02:26,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:26,862 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:26,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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)] Ended with exit code 0 [2022-11-20 12:02:27,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:27,063 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:27,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:27,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1535236765, now seen corresponding path program 1 times [2022-11-20 12:02:27,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:02:27,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668773512] [2022-11-20 12:02:27,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:27,069 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 12:02:27,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:02:27,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:27,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:30,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 2300 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:02:30,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:30,261 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-20 12:02:30,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:02:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-20 12:02:30,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:02:30,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668773512] [2022-11-20 12:02:30,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668773512] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:02:30,657 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:02:30,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 12:02:30,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349588057] [2022-11-20 12:02:30,658 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:02:30,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:02:30,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:02:30,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:02:30,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:02:30,662 INFO L87 Difference]: Start difference. First operand 2594 states and 3819 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 12:02:31,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:31,786 INFO L93 Difference]: Finished difference Result 5167 states and 7693 transitions. [2022-11-20 12:02:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:02:31,787 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 108 [2022-11-20 12:02:31,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:31,810 INFO L225 Difference]: With dead ends: 5167 [2022-11-20 12:02:31,810 INFO L226 Difference]: Without dead ends: 2603 [2022-11-20 12:02:31,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:02:31,831 INFO L413 NwaCegarLoop]: 3812 mSDtfsCounter, 12 mSDsluCounter, 19035 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 22847 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:31,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 22847 Invalid, 92 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [24 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:02:31,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2022-11-20 12:02:31,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2603. [2022-11-20 12:02:31,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2603 states, 1880 states have (on average 1.4090425531914894) internal successors, (2649), 1948 states have internal predecessors, (2649), 591 states have call successors, (591), 132 states have call predecessors, (591), 131 states have return successors, (590), 557 states have call predecessors, (590), 590 states have call successors, (590) [2022-11-20 12:02:31,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3830 transitions. [2022-11-20 12:02:31,967 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3830 transitions. Word has length 108 [2022-11-20 12:02:31,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:31,968 INFO L495 AbstractCegarLoop]: Abstraction has 2603 states and 3830 transitions. [2022-11-20 12:02:31,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 12:02:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3830 transitions. [2022-11-20 12:02:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-20 12:02:31,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:31,972 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:32,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:32,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:32,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:32,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:32,200 INFO L85 PathProgramCache]: Analyzing trace with hash -76121349, now seen corresponding path program 2 times [2022-11-20 12:02:32,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:02:32,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037690344] [2022-11-20 12:02:32,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:02:32,203 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 12:02:32,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:02:32,210 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:32,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:34,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 12:02:34,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:02:35,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 2038 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:02:35,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:35,116 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-20 12:02:35,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:02:35,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:02:35,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037690344] [2022-11-20 12:02:35,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037690344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:02:35,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:02:35,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:02:35,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691760530] [2022-11-20 12:02:35,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:35,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:02:35,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:02:35,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:02:35,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:02:35,119 INFO L87 Difference]: Start difference. First operand 2603 states and 3830 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:02:35,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:35,929 INFO L93 Difference]: Finished difference Result 7719 states and 11643 transitions. [2022-11-20 12:02:35,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:02:35,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 111 [2022-11-20 12:02:35,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:35,994 INFO L225 Difference]: With dead ends: 7719 [2022-11-20 12:02:35,995 INFO L226 Difference]: Without dead ends: 5158 [2022-11-20 12:02:36,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 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 12:02:36,028 INFO L413 NwaCegarLoop]: 4684 mSDtfsCounter, 3861 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3861 SdHoareTripleChecker+Valid, 8518 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:36,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3861 Valid, 8518 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:02:36,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5158 states. [2022-11-20 12:02:36,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5158 to 5155. [2022-11-20 12:02:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5155 states, 3729 states have (on average 1.4100294985250736) internal successors, (5258), 3863 states have internal predecessors, (5258), 1165 states have call successors, (1165), 262 states have call predecessors, (1165), 260 states have return successors, (1303), 1097 states have call predecessors, (1303), 1164 states have call successors, (1303) [2022-11-20 12:02:36,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 5155 states and 7726 transitions. [2022-11-20 12:02:36,449 INFO L78 Accepts]: Start accepts. Automaton has 5155 states and 7726 transitions. Word has length 111 [2022-11-20 12:02:36,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:36,451 INFO L495 AbstractCegarLoop]: Abstraction has 5155 states and 7726 transitions. [2022-11-20 12:02:36,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:02:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 5155 states and 7726 transitions. [2022-11-20 12:02:36,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-20 12:02:36,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:36,464 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:36,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:36,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:36,678 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:36,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:36,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1721082927, now seen corresponding path program 1 times [2022-11-20 12:02:36,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:02:36,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488015111] [2022-11-20 12:02:36,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:36,681 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 12:02:36,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:02:36,682 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:36,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:39,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 2335 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:02:39,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:39,477 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-20 12:02:39,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:02:39,477 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:02:39,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488015111] [2022-11-20 12:02:39,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488015111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:02:39,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:02:39,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:02:39,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489749185] [2022-11-20 12:02:39,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:39,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:02:39,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:02:39,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:02:39,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:02:39,479 INFO L87 Difference]: Start difference. First operand 5155 states and 7726 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:02:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:40,489 INFO L93 Difference]: Finished difference Result 15377 states and 24111 transitions. [2022-11-20 12:02:40,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:02:40,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 112 [2022-11-20 12:02:40,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:40,581 INFO L225 Difference]: With dead ends: 15377 [2022-11-20 12:02:40,582 INFO L226 Difference]: Without dead ends: 10264 [2022-11-20 12:02:40,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 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 12:02:40,637 INFO L413 NwaCegarLoop]: 4495 mSDtfsCounter, 3865 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3865 SdHoareTripleChecker+Valid, 8329 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:40,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3865 Valid, 8329 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:02:40,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10264 states. [2022-11-20 12:02:41,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10264 to 10261. [2022-11-20 12:02:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10261 states, 7429 states have (on average 1.4102840220756494) internal successors, (10477), 7695 states have internal predecessors, (10477), 2312 states have call successors, (2312), 522 states have call predecessors, (2312), 519 states have return successors, (3121), 2179 states have call predecessors, (3121), 2311 states have call successors, (3121) [2022-11-20 12:02:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10261 states to 10261 states and 15910 transitions. [2022-11-20 12:02:41,295 INFO L78 Accepts]: Start accepts. Automaton has 10261 states and 15910 transitions. Word has length 112 [2022-11-20 12:02:41,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:41,296 INFO L495 AbstractCegarLoop]: Abstraction has 10261 states and 15910 transitions. [2022-11-20 12:02:41,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:02:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 10261 states and 15910 transitions. [2022-11-20 12:02:41,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 12:02:41,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:41,299 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:41,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:41,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:41,519 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:41,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:41,520 INFO L85 PathProgramCache]: Analyzing trace with hash -832923773, now seen corresponding path program 1 times [2022-11-20 12:02:41,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:02:41,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621777704] [2022-11-20 12:02:41,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:41,523 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 12:02:41,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:02:41,524 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:41,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:44,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:02:44,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-20 12:02:44,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:02:44,326 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:02:44,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621777704] [2022-11-20 12:02:44,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621777704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:02:44,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:02:44,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:02:44,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057881726] [2022-11-20 12:02:44,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:44,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:02:44,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:02:44,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:02:44,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:02:44,328 INFO L87 Difference]: Start difference. First operand 10261 states and 15910 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:02:45,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:45,777 INFO L93 Difference]: Finished difference Result 30694 states and 51717 transitions. [2022-11-20 12:02:45,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:02:45,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 113 [2022-11-20 12:02:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:45,975 INFO L225 Difference]: With dead ends: 30694 [2022-11-20 12:02:45,975 INFO L226 Difference]: Without dead ends: 20475 [2022-11-20 12:02:46,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 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 12:02:46,099 INFO L413 NwaCegarLoop]: 4455 mSDtfsCounter, 3866 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3866 SdHoareTripleChecker+Valid, 8289 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:46,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3866 Valid, 8289 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:02:46,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20475 states. [2022-11-20 12:02:47,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20475 to 20472. [2022-11-20 12:02:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20472 states, 14830 states have (on average 1.4101820633850304) internal successors, (20913), 15358 states have internal predecessors, (20913), 4604 states have call successors, (4604), 1042 states have call predecessors, (4604), 1037 states have return successors, (8285), 4343 states have call predecessors, (8285), 4603 states have call successors, (8285) [2022-11-20 12:02:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20472 states to 20472 states and 33802 transitions. [2022-11-20 12:02:47,814 INFO L78 Accepts]: Start accepts. Automaton has 20472 states and 33802 transitions. Word has length 113 [2022-11-20 12:02:47,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:47,815 INFO L495 AbstractCegarLoop]: Abstraction has 20472 states and 33802 transitions. [2022-11-20 12:02:47,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:02:47,815 INFO L276 IsEmpty]: Start isEmpty. Operand 20472 states and 33802 transitions. [2022-11-20 12:02:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-20 12:02:47,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:47,819 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:47,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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)] Ended with exit code 0 [2022-11-20 12:02:48,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:48,033 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:48,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:48,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1272566745, now seen corresponding path program 1 times [2022-11-20 12:02:48,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:02:48,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150787473] [2022-11-20 12:02:48,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:48,037 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 12:02:48,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:02:48,038 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:48,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:02:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:50,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 2339 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:02:50,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-20 12:02:50,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:02:50,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:02:50,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150787473] [2022-11-20 12:02:50,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150787473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:02:50,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:02:50,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:02:50,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218354653] [2022-11-20 12:02:50,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:50,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:02:50,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:02:50,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:02:50,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:02:50,978 INFO L87 Difference]: Start difference. First operand 20472 states and 33802 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:02:54,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:54,196 INFO L93 Difference]: Finished difference Result 61320 states and 117430 transitions. [2022-11-20 12:02:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:02:54,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 114 [2022-11-20 12:02:54,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:54,656 INFO L225 Difference]: With dead ends: 61320 [2022-11-20 12:02:54,656 INFO L226 Difference]: Without dead ends: 40890 [2022-11-20 12:02:55,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 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 12:02:55,192 INFO L413 NwaCegarLoop]: 4475 mSDtfsCounter, 3867 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3867 SdHoareTripleChecker+Valid, 8309 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:55,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3867 Valid, 8309 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:02:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40890 states. [2022-11-20 12:02:58,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40890 to 40887. [2022-11-20 12:02:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40887 states, 29631 states have (on average 1.409908541729945) internal successors, (41777), 30679 states have internal predecessors, (41777), 9182 states have call successors, (9182), 2081 states have call predecessors, (9182), 2073 states have return successors, (24620), 8670 states have call predecessors, (24620), 9181 states have call successors, (24620) [2022-11-20 12:02:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40887 states to 40887 states and 75579 transitions. [2022-11-20 12:02:59,924 INFO L78 Accepts]: Start accepts. Automaton has 40887 states and 75579 transitions. Word has length 114 [2022-11-20 12:02:59,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:59,925 INFO L495 AbstractCegarLoop]: Abstraction has 40887 states and 75579 transitions. [2022-11-20 12:02:59,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:02:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 40887 states and 75579 transitions. [2022-11-20 12:02:59,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-20 12:02:59,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:59,928 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:59,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:03:00,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:03:00,155 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:03:00,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:00,155 INFO L85 PathProgramCache]: Analyzing trace with hash -883211400, now seen corresponding path program 1 times [2022-11-20 12:03:00,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:03:00,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120075784] [2022-11-20 12:03:00,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:00,159 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 12:03:00,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:03:00,160 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:03:00,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:03:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:02,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 2413 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:03:03,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-20 12:03:03,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:03:03,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:03:03,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120075784] [2022-11-20 12:03:03,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120075784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:03,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:03,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:03:03,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810756408] [2022-11-20 12:03:03,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:03,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:03:03,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:03:03,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:03:03,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:03:03,823 INFO L87 Difference]: Start difference. First operand 40887 states and 75579 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:03:11,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:11,180 INFO L93 Difference]: Finished difference Result 122673 states and 290747 transitions. [2022-11-20 12:03:11,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:03:11,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 118 [2022-11-20 12:03:11,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:03:12,397 INFO L225 Difference]: With dead ends: 122673 [2022-11-20 12:03:12,398 INFO L226 Difference]: Without dead ends: 81828 [2022-11-20 12:03:13,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:03:13,784 INFO L413 NwaCegarLoop]: 4760 mSDtfsCounter, 3815 mSDsluCounter, 13339 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3815 SdHoareTripleChecker+Valid, 18099 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:03:13,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3815 Valid, 18099 Invalid, 41 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:03:14,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81828 states. [2022-11-20 12:03:20,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81828 to 81665. [2022-11-20 12:03:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81665 states, 59155 states have (on average 1.409246893753698) internal successors, (83364), 61331 states have internal predecessors, (83364), 18348 states have call successors, (18348), 4176 states have call predecessors, (18348), 4161 states have return successors, (79273), 17213 states have call predecessors, (79273), 18347 states have call successors, (79273) [2022-11-20 12:03:22,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81665 states to 81665 states and 180985 transitions. [2022-11-20 12:03:23,004 INFO L78 Accepts]: Start accepts. Automaton has 81665 states and 180985 transitions. Word has length 118 [2022-11-20 12:03:23,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:03:23,004 INFO L495 AbstractCegarLoop]: Abstraction has 81665 states and 180985 transitions. [2022-11-20 12:03:23,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:03:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 81665 states and 180985 transitions. [2022-11-20 12:03:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-20 12:03:23,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:03:23,007 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:23,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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)] Ended with exit code 0 [2022-11-20 12:03:23,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:03:23,230 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:03:23,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:23,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1298386095, now seen corresponding path program 1 times [2022-11-20 12:03:23,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:03:23,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796579984] [2022-11-20 12:03:23,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:23,233 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 12:03:23,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:03:23,234 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:03:23,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f8cc36-6bae-403b-b76f-83b449a17502/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 12:03:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:25,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 2415 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:03:25,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:26,333 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-20 12:03:26,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:03:26,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:03:26,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796579984] [2022-11-20 12:03:26,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796579984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:26,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:26,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:03:26,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985277194] [2022-11-20 12:03:26,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:26,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:03:26,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:03:26,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:03:26,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:03:26,335 INFO L87 Difference]: Start difference. First operand 81665 states and 180985 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)