./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 --- 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 20:42:32,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:42:32,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:42:32,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:42:32,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:42:32,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:42:32,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:42:32,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:42:32,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:42:32,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:42:32,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:42:32,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:42:32,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:42:32,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:42:32,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:42:32,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:42:32,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:42:32,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:42:32,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:42:32,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:42:32,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:42:32,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:42:32,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:42:32,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:42:32,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:42:32,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:42:32,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:42:32,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:42:32,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:42:32,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:42:32,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:42:32,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:42:32,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:42:32,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:42:32,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:42:32,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:42:32,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:42:32,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:42:32,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:42:32,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:42:32,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:42:32,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 20:42:32,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:42:32,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:42:32,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:42:32,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:42:32,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:42:32,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:42:32,865 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:42:32,866 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:42:32,866 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:42:32,866 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:42:32,867 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:42:32,867 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:42:32,867 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:42:32,867 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:42:32,868 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:42:32,868 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:42:32,868 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:42:32,869 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:42:32,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:42:32,870 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:42:32,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:42:32,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:42:32,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:42:32,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:42:32,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:42:32,871 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 20:42:32,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:42:32,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:42:32,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:42:32,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:42:32,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:42:32,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:42:32,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:42:32,874 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:42:32,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:42:32,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:42:32,875 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:42:32,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:42:32,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:42:32,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:42:32,895 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_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 [2022-11-20 20:42:33,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:42:33,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:42:33,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:42:33,155 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:42:33,155 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:42:33,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-20 20:42:36,252 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:42:37,020 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:42:37,021 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-20 20:42:37,087 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/data/f6d973562/8f9b80a1250c4c8fa0b46dd821bd5f52/FLAGb6e8cfd49 [2022-11-20 20:42:37,109 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/data/f6d973562/8f9b80a1250c4c8fa0b46dd821bd5f52 [2022-11-20 20:42:37,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:42:37,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:42:37,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:42:37,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:42:37,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:42:37,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:42:37" (1/1) ... [2022-11-20 20:42:37,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e0f536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:37, skipping insertion in model container [2022-11-20 20:42:37,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:42:37" (1/1) ... [2022-11-20 20:42:37,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:42:37,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:42:42,670 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2022-11-20 20:42:42,671 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2022-11-20 20:42:42,672 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2022-11-20 20:42:42,672 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2022-11-20 20:42:42,673 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2022-11-20 20:42:42,673 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2022-11-20 20:42:42,674 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2022-11-20 20:42:42,674 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2022-11-20 20:42:42,675 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2022-11-20 20:42:42,675 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2022-11-20 20:42:42,676 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2022-11-20 20:42:42,676 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2022-11-20 20:42:42,677 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2022-11-20 20:42:42,677 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2022-11-20 20:42:42,678 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2022-11-20 20:42:42,679 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2022-11-20 20:42:42,680 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2022-11-20 20:42:42,680 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2022-11-20 20:42:42,683 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2022-11-20 20:42:42,683 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2022-11-20 20:42:42,685 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2022-11-20 20:42:42,686 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2022-11-20 20:42:42,687 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2022-11-20 20:42:42,688 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2022-11-20 20:42:42,688 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2022-11-20 20:42:42,689 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2022-11-20 20:42:42,690 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2022-11-20 20:42:42,690 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2022-11-20 20:42:42,691 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2022-11-20 20:42:42,691 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2022-11-20 20:42:42,692 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2022-11-20 20:42:42,693 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2022-11-20 20:42:42,693 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2022-11-20 20:42:42,694 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2022-11-20 20:42:42,694 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2022-11-20 20:42:42,694 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2022-11-20 20:42:42,695 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2022-11-20 20:42:42,695 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2022-11-20 20:42:42,696 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2022-11-20 20:42:42,696 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2022-11-20 20:42:42,697 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2022-11-20 20:42:42,698 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2022-11-20 20:42:42,699 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2022-11-20 20:42:42,699 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2022-11-20 20:42:42,700 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2022-11-20 20:42:42,700 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2022-11-20 20:42:42,701 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2022-11-20 20:42:42,702 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2022-11-20 20:42:42,703 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2022-11-20 20:42:42,703 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2022-11-20 20:42:42,704 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2022-11-20 20:42:42,704 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2022-11-20 20:42:42,705 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2022-11-20 20:42:42,705 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2022-11-20 20:42:42,705 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2022-11-20 20:42:42,706 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2022-11-20 20:42:42,706 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2022-11-20 20:42:42,707 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2022-11-20 20:42:42,707 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2022-11-20 20:42:42,708 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2022-11-20 20:42:42,709 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2022-11-20 20:42:42,709 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2022-11-20 20:42:42,710 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2022-11-20 20:42:42,710 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2022-11-20 20:42:42,711 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2022-11-20 20:42:42,712 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2022-11-20 20:42:42,713 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2022-11-20 20:42:42,714 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2022-11-20 20:42:42,714 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2022-11-20 20:42:42,715 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2022-11-20 20:42:42,716 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2022-11-20 20:42:42,716 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2022-11-20 20:42:42,717 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2022-11-20 20:42:42,717 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2022-11-20 20:42:42,718 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2022-11-20 20:42:42,718 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2022-11-20 20:42:42,719 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2022-11-20 20:42:42,719 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2022-11-20 20:42:42,719 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2022-11-20 20:42:42,720 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2022-11-20 20:42:42,720 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2022-11-20 20:42:42,721 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2022-11-20 20:42:42,722 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2022-11-20 20:42:42,722 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2022-11-20 20:42:42,723 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2022-11-20 20:42:42,723 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2022-11-20 20:42:42,724 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2022-11-20 20:42:42,724 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2022-11-20 20:42:42,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:42:42,797 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:42:43,289 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2022-11-20 20:42:43,290 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2022-11-20 20:42:43,291 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2022-11-20 20:42:43,291 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2022-11-20 20:42:43,292 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2022-11-20 20:42:43,292 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2022-11-20 20:42:43,292 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2022-11-20 20:42:43,293 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2022-11-20 20:42:43,293 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2022-11-20 20:42:43,293 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2022-11-20 20:42:43,294 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2022-11-20 20:42:43,294 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2022-11-20 20:42:43,295 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2022-11-20 20:42:43,296 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2022-11-20 20:42:43,297 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2022-11-20 20:42:43,297 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2022-11-20 20:42:43,297 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2022-11-20 20:42:43,298 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2022-11-20 20:42:43,299 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2022-11-20 20:42:43,299 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2022-11-20 20:42:43,299 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2022-11-20 20:42:43,300 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2022-11-20 20:42:43,301 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2022-11-20 20:42:43,302 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2022-11-20 20:42:43,302 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2022-11-20 20:42:43,303 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2022-11-20 20:42:43,303 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2022-11-20 20:42:43,304 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2022-11-20 20:42:43,304 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2022-11-20 20:42:43,304 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2022-11-20 20:42:43,305 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2022-11-20 20:42:43,305 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2022-11-20 20:42:43,306 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2022-11-20 20:42:43,306 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2022-11-20 20:42:43,307 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2022-11-20 20:42:43,307 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2022-11-20 20:42:43,308 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2022-11-20 20:42:43,308 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2022-11-20 20:42:43,308 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2022-11-20 20:42:43,312 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2022-11-20 20:42:43,313 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2022-11-20 20:42:43,314 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2022-11-20 20:42:43,314 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2022-11-20 20:42:43,315 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2022-11-20 20:42:43,315 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2022-11-20 20:42:43,315 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2022-11-20 20:42:43,316 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2022-11-20 20:42:43,316 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2022-11-20 20:42:43,316 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2022-11-20 20:42:43,317 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2022-11-20 20:42:43,317 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2022-11-20 20:42:43,317 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2022-11-20 20:42:43,319 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2022-11-20 20:42:43,320 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2022-11-20 20:42:43,323 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2022-11-20 20:42:43,324 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2022-11-20 20:42:43,325 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2022-11-20 20:42:43,325 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2022-11-20 20:42:43,327 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2022-11-20 20:42:43,327 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2022-11-20 20:42:43,328 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2022-11-20 20:42:43,329 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2022-11-20 20:42:43,329 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2022-11-20 20:42:43,336 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2022-11-20 20:42:43,339 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2022-11-20 20:42:43,342 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2022-11-20 20:42:43,342 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2022-11-20 20:42:43,343 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2022-11-20 20:42:43,343 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2022-11-20 20:42:43,343 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2022-11-20 20:42:43,344 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2022-11-20 20:42:43,344 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2022-11-20 20:42:43,344 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2022-11-20 20:42:43,345 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2022-11-20 20:42:43,345 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2022-11-20 20:42:43,345 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2022-11-20 20:42:43,346 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2022-11-20 20:42:43,346 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2022-11-20 20:42:43,346 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2022-11-20 20:42:43,346 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2022-11-20 20:42:43,347 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2022-11-20 20:42:43,347 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2022-11-20 20:42:43,347 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2022-11-20 20:42:43,348 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2022-11-20 20:42:43,348 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2022-11-20 20:42:43,348 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2022-11-20 20:42:43,349 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2022-11-20 20:42:43,349 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_232d56b3-55bc-4f37-b63a-8e83338ff289/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2022-11-20 20:42:43,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:42:43,667 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:42:43,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43 WrapperNode [2022-11-20 20:42:43,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:42:43,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:42:43,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:42:43,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:42:43,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (1/1) ... [2022-11-20 20:42:43,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (1/1) ... [2022-11-20 20:42:44,075 INFO L138 Inliner]: procedures = 746, calls = 3640, calls flagged for inlining = 396, calls inlined = 313, statements flattened = 8884 [2022-11-20 20:42:44,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:42:44,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:42:44,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:42:44,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:42:44,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (1/1) ... [2022-11-20 20:42:44,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (1/1) ... [2022-11-20 20:42:44,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (1/1) ... [2022-11-20 20:42:44,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (1/1) ... [2022-11-20 20:42:44,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (1/1) ... [2022-11-20 20:42:44,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (1/1) ... [2022-11-20 20:42:44,374 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (1/1) ... [2022-11-20 20:42:44,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (1/1) ... [2022-11-20 20:42:44,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:42:44,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:42:44,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:42:44,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:42:44,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (1/1) ... [2022-11-20 20:42:44,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:42:44,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:42:44,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:42:44,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:42:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 20:42:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 20:42:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-20 20:42:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-20 20:42:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-20 20:42:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-20 20:42:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 20:42:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 20:42:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_info [2022-11-20 20:42:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_info [2022-11-20 20:42:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure mega_adapinq [2022-11-20 20:42:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_adapinq [2022-11-20 20:42:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-20 20:42:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-20 20:42:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-20 20:42:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-20 20:42:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_inquiry [2022-11-20 20:42:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_inquiry [2022-11-20 20:42:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-20 20:42:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-20 20:42:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 20:42:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 20:42:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 20:42:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 20:42:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 20:42:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 20:42:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure mega_build_sglist [2022-11-20 20:42:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_build_sglist [2022-11-20 20:42:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 20:42:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 20:42:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 20:42:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 20:42:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-20 20:42:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-20 20:42:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 20:42:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 20:42:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure megadev_unlocked_ioctl [2022-11-20 20:42:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure megadev_unlocked_ioctl [2022-11-20 20:42:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 20:42:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_scb [2022-11-20 20:42:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_scb [2022-11-20 20:42:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 20:42:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 20:42:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 20:42:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 20:42:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-20 20:42:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-20 20:42:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort_and_reset [2022-11-20 20:42:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort_and_reset [2022-11-20 20:42:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 20:42:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 20:42:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-20 20:42:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-20 20:42:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 20:42:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 20:42:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:42:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-20 20:42:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-20 20:42:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure issue_scb_block [2022-11-20 20:42:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_scb_block [2022-11-20 20:42:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 20:42:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 20:42:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 20:42:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 20:42:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 20:42:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_sgl [2022-11-20 20:42:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_sgl [2022-11-20 20:42:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-20 20:42:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-20 20:42:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 20:42:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-20 20:42:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-20 20:42:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 20:42:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 20:42:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 20:42:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 20:42:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:42:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 20:42:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 20:42:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 20:42:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 20:42:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 20:42:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 20:42:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 20:42:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 20:42:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 20:42:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 20:42:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 20:42:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 20:42:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 20:42:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 20:42:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-20 20:42:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-20 20:42:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure mega_runpendq [2022-11-20 20:42:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_runpendq [2022-11-20 20:42:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-20 20:42:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-20 20:42:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 20:42:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 20:42:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 20:42:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 20:42:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 20:42:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 20:42:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 20:42:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 20:42:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-20 20:42:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-20 20:42:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 20:42:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 20:42:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-20 20:42:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-20 20:42:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2022-11-20 20:42:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2022-11-20 20:42:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 20:42:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-11-20 20:42:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-11-20 20:42:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-20 20:42:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-20 20:42:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-20 20:42:44,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-20 20:42:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:42:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-11-20 20:42:44,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-11-20 20:42:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 20:42:44,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 20:42:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 20:42:44,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 20:42:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure mega_n_to_m [2022-11-20 20:42:44,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_n_to_m [2022-11-20 20:42:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 20:42:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 20:42:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 20:42:44,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 20:42:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 20:42:44,675 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 20:42:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure mega_internal_command [2022-11-20 20:42:44,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_internal_command [2022-11-20 20:42:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-20 20:42:44,675 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-20 20:42:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-20 20:42:44,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-20 20:42:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_shutdown [2022-11-20 20:42:44,676 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_shutdown [2022-11-20 20:42:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-20 20:42:44,676 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-20 20:42:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 20:42:44,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 20:42:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-11-20 20:42:44,677 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-11-20 20:42:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 20:42:44,677 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 20:42:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_rdrv [2022-11-20 20:42:44,678 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_rdrv [2022-11-20 20:42:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:42:44,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:42:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 20:42:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 20:42:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 20:42:44,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 20:42:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_inquiry [2022-11-20 20:42:44,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_inquiry [2022-11-20 20:42:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure free_local_pdev [2022-11-20 20:42:44,679 INFO L138 BoogieDeclarations]: Found implementation of procedure free_local_pdev [2022-11-20 20:42:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 20:42:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 20:42:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_pdrv [2022-11-20 20:42:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_pdrv [2022-11-20 20:42:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-20 20:42:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-20 20:42:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-11-20 20:42:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-11-20 20:42:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-20 20:42:44,681 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-20 20:42:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-20 20:42:44,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-20 20:42:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure __megaraid_shutdown [2022-11-20 20:42:44,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __megaraid_shutdown [2022-11-20 20:42:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 20:42:44,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 20:42:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 20:42:44,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 20:42:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-20 20:42:44,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-20 20:42:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-20 20:42:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-20 20:42:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 20:42:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 20:42:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-20 20:42:44,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-20 20:42:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-20 20:42:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-20 20:42:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 20:42:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 20:42:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:42:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_reset [2022-11-20 20:42:44,684 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_reset [2022-11-20 20:42:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 20:42:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 20:42:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 20:42:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 20:42:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 20:42:44,685 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_queue [2022-11-20 20:42:44,685 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_queue [2022-11-20 20:42:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_biosparam [2022-11-20 20:42:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_biosparam [2022-11-20 20:42:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_remove_one [2022-11-20 20:42:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_remove_one [2022-11-20 20:42:44,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-20 20:42:44,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-20 20:42:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 20:42:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 20:42:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 20:42:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-20 20:42:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-20 20:42:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 20:42:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 20:42:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 20:42:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 20:42:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 20:42:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 20:42:44,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 20:42:44,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 20:42:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-20 20:42:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-20 20:42:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure seq_write [2022-11-20 20:42:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_write [2022-11-20 20:42:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_scb [2022-11-20 20:42:44,689 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_scb [2022-11-20 20:42:44,689 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 20:42:44,690 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 20:42:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure make_local_pdev [2022-11-20 20:42:44,690 INFO L138 BoogieDeclarations]: Found implementation of procedure make_local_pdev [2022-11-20 20:42:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 20:42:44,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 20:42:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 20:42:44,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 20:42:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 20:42:44,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 20:42:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 20:42:44,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 20:42:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 20:42:44,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 20:42:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-20 20:42:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-20 20:42:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 20:42:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 20:42:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 20:42:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 20:42:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:42:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 20:42:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 20:42:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-20 20:42:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-20 20:42:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 20:42:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 20:42:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-20 20:42:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-20 20:42:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 20:42:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 20:42:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-20 20:42:44,694 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-20 20:42:44,694 INFO L130 BoogieDeclarations]: Found specification of procedure mega_rundoneq [2022-11-20 20:42:44,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_rundoneq [2022-11-20 20:42:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 20:42:44,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 20:42:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 20:42:44,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 20:42:44,695 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 20:42:44,695 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 20:42:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:42:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-20 20:42:44,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-20 20:42:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-20 20:42:44,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-20 20:42:44,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2022-11-20 20:42:44,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2022-11-20 20:42:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort [2022-11-20 20:42:44,697 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort [2022-11-20 20:42:44,697 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-20 20:42:44,697 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-20 20:42:45,912 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:42:45,916 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:42:46,358 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 20:42:49,044 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: mega_build_cmd_#res#1.base, mega_build_cmd_#res#1.offset := 0, 0;call ULTIMATE.dealloc(mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset);havoc mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset; [2022-11-20 20:42:53,383 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:42:55,589 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:42:55,590 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-20 20:42:55,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:42:55 BoogieIcfgContainer [2022-11-20 20:42:55,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:42:55,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:42:55,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:42:55,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:42:55,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:42:37" (1/3) ... [2022-11-20 20:42:55,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c076010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:42:55, skipping insertion in model container [2022-11-20 20:42:55,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:43" (2/3) ... [2022-11-20 20:42:55,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c076010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:42:55, skipping insertion in model container [2022-11-20 20:42:55,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:42:55" (3/3) ... [2022-11-20 20:42:55,610 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-20 20:42:55,631 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:42:55,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 110 error locations. [2022-11-20 20:42:55,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:42:55,749 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7fafee95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:42:55,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 110 error locations. [2022-11-20 20:42:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 2262 states, 1296 states have (on average 1.3572530864197532) internal successors, (1759), 1463 states have internal predecessors, (1759), 725 states have call successors, (725), 131 states have call predecessors, (725), 130 states have return successors, (718), 708 states have call predecessors, (718), 718 states have call successors, (718) [2022-11-20 20:42:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-20 20:42:55,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:55,801 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:42:55,802 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:42:55,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:55,809 INFO L85 PathProgramCache]: Analyzing trace with hash 988968074, now seen corresponding path program 1 times [2022-11-20 20:42:55,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:42:55,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115610736] [2022-11-20 20:42:55,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:55,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:42:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:42:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-20 20:42:57,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:42:57,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115610736] [2022-11-20 20:42:57,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115610736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:42:57,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:42:57,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:42:57,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133140470] [2022-11-20 20:42:57,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:42:57,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:42:57,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:42:57,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:42:57,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:57,130 INFO L87 Difference]: Start difference. First operand has 2262 states, 1296 states have (on average 1.3572530864197532) internal successors, (1759), 1463 states have internal predecessors, (1759), 725 states have call successors, (725), 131 states have call predecessors, (725), 130 states have return successors, (718), 708 states have call predecessors, (718), 718 states have call successors, (718) Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 20:42:58,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:43:00,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:43:04,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:04,058 INFO L93 Difference]: Finished difference Result 6609 states and 9500 transitions. [2022-11-20 20:43:04,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:43:04,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 124 [2022-11-20 20:43:04,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:04,121 INFO L225 Difference]: With dead ends: 6609 [2022-11-20 20:43:04,121 INFO L226 Difference]: Without dead ends: 4228 [2022-11-20 20:43:04,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 20:43:04,152 INFO L413 NwaCegarLoop]: 4452 mSDtfsCounter, 3132 mSDsluCounter, 2703 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3132 SdHoareTripleChecker+Valid, 7155 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:04,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3132 Valid, 7155 Invalid, 883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 875 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-20 20:43:04,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2022-11-20 20:43:04,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 4140. [2022-11-20 20:43:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4140 states, 2503 states have (on average 1.341989612465042) internal successors, (3359), 2695 states have internal predecessors, (3359), 1326 states have call successors, (1326), 219 states have call predecessors, (1326), 219 states have return successors, (1326), 1306 states have call predecessors, (1326), 1326 states have call successors, (1326) [2022-11-20 20:43:04,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 6011 transitions. [2022-11-20 20:43:04,556 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 6011 transitions. Word has length 124 [2022-11-20 20:43:04,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:04,559 INFO L495 AbstractCegarLoop]: Abstraction has 4140 states and 6011 transitions. [2022-11-20 20:43:04,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 20:43:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 6011 transitions. [2022-11-20 20:43:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-20 20:43:04,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:43:04,577 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:43:04,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:43:04,578 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:43:04,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:43:04,579 INFO L85 PathProgramCache]: Analyzing trace with hash 424464247, now seen corresponding path program 1 times [2022-11-20 20:43:04,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:43:04,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34427760] [2022-11-20 20:43:04,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:04,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:43:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:05,674 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-11-20 20:43:05,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:43:05,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34427760] [2022-11-20 20:43:05,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34427760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:05,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:43:05,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:43:05,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867537178] [2022-11-20 20:43:05,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:05,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:43:05,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:43:05,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:43:05,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:43:05,680 INFO L87 Difference]: Start difference. First operand 4140 states and 6011 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 20:43:08,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:43:13,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:13,730 INFO L93 Difference]: Finished difference Result 6418 states and 9177 transitions. [2022-11-20 20:43:13,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:43:13,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 149 [2022-11-20 20:43:13,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:13,776 INFO L225 Difference]: With dead ends: 6418 [2022-11-20 20:43:13,776 INFO L226 Difference]: Without dead ends: 6416 [2022-11-20 20:43:13,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:43:13,785 INFO L413 NwaCegarLoop]: 3451 mSDtfsCounter, 3962 mSDsluCounter, 3323 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 772 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3962 SdHoareTripleChecker+Valid, 6774 SdHoareTripleChecker+Invalid, 2376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 772 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:13,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3962 Valid, 6774 Invalid, 2376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [772 Valid, 1603 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-11-20 20:43:13,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6416 states. [2022-11-20 20:43:14,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6416 to 6369. [2022-11-20 20:43:14,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6369 states, 3804 states have (on average 1.315720294426919) internal successors, (5005), 4068 states have internal predecessors, (5005), 2083 states have call successors, (2083), 390 states have call predecessors, (2083), 390 states have return successors, (2083), 2053 states have call predecessors, (2083), 2083 states have call successors, (2083) [2022-11-20 20:43:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6369 states to 6369 states and 9171 transitions. [2022-11-20 20:43:14,330 INFO L78 Accepts]: Start accepts. Automaton has 6369 states and 9171 transitions. Word has length 149 [2022-11-20 20:43:14,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:14,331 INFO L495 AbstractCegarLoop]: Abstraction has 6369 states and 9171 transitions. [2022-11-20 20:43:14,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 20:43:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 6369 states and 9171 transitions. [2022-11-20 20:43:14,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-20 20:43:14,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:43:14,336 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:43:14,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:43:14,337 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_io_mem_unmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:43:14,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:43:14,347 INFO L85 PathProgramCache]: Analyzing trace with hash 273490733, now seen corresponding path program 1 times [2022-11-20 20:43:14,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:43:14,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784774270] [2022-11-20 20:43:14,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:14,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:43:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-11-20 20:43:15,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:43:15,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784774270] [2022-11-20 20:43:15,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784774270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:15,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:43:15,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:43:15,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055982591] [2022-11-20 20:43:15,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:15,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:43:15,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:43:15,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:43:15,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:43:15,376 INFO L87 Difference]: Start difference. First operand 6369 states and 9171 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 20:43:18,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:43:20,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:43:27,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:27,095 INFO L93 Difference]: Finished difference Result 9605 states and 13780 transitions. [2022-11-20 20:43:27,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:43:27,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 150 [2022-11-20 20:43:27,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:27,154 INFO L225 Difference]: With dead ends: 9605 [2022-11-20 20:43:27,155 INFO L226 Difference]: Without dead ends: 9603 [2022-11-20 20:43:27,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:43:27,164 INFO L413 NwaCegarLoop]: 4844 mSDtfsCounter, 4541 mSDsluCounter, 5384 mSDsCounter, 0 mSdLazyCounter, 3422 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4541 SdHoareTripleChecker+Valid, 10228 SdHoareTripleChecker+Invalid, 3428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3422 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:27,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4541 Valid, 10228 Invalid, 3428 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4 Valid, 3422 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2022-11-20 20:43:27,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9603 states. [2022-11-20 20:43:27,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9603 to 9486. [2022-11-20 20:43:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9486 states, 5694 states have (on average 1.3159466104671584) internal successors, (7493), 6043 states have internal predecessors, (7493), 3117 states have call successors, (3117), 584 states have call predecessors, (3117), 584 states have return successors, (3156), 3072 states have call predecessors, (3156), 3117 states have call successors, (3156) [2022-11-20 20:43:27,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9486 states to 9486 states and 13766 transitions. [2022-11-20 20:43:27,775 INFO L78 Accepts]: Start accepts. Automaton has 9486 states and 13766 transitions. Word has length 150 [2022-11-20 20:43:27,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:27,776 INFO L495 AbstractCegarLoop]: Abstraction has 9486 states and 13766 transitions. [2022-11-20 20:43:27,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 20:43:27,777 INFO L276 IsEmpty]: Start isEmpty. Operand 9486 states and 13766 transitions. [2022-11-20 20:43:27,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-20 20:43:27,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:43:27,782 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:43:27,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:43:27,782 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting issue_scb_blockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:43:27,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:43:27,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1189417354, now seen corresponding path program 1 times [2022-11-20 20:43:27,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:43:27,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620269264] [2022-11-20 20:43:27,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:27,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:43:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-11-20 20:43:28,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:43:28,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620269264] [2022-11-20 20:43:28,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620269264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:28,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:43:28,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:43:28,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689101291] [2022-11-20 20:43:28,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:28,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:43:28,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:43:28,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:43:28,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:28,290 INFO L87 Difference]: Start difference. First operand 9486 states and 13766 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 20:43:31,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:43:33,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:33,667 INFO L93 Difference]: Finished difference Result 19282 states and 28275 transitions. [2022-11-20 20:43:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:43:33,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 169 [2022-11-20 20:43:33,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:33,733 INFO L225 Difference]: With dead ends: 19282 [2022-11-20 20:43:33,733 INFO L226 Difference]: Without dead ends: 9816 [2022-11-20 20:43:33,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 20:43:33,790 INFO L413 NwaCegarLoop]: 2774 mSDtfsCounter, 44 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 5490 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:33,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 5490 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 676 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-11-20 20:43:33,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9816 states. [2022-11-20 20:43:34,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9816 to 9522. [2022-11-20 20:43:34,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9522 states, 5724 states have (on average 1.31533892382949) internal successors, (7529), 6073 states have internal predecessors, (7529), 3123 states have call successors, (3123), 584 states have call predecessors, (3123), 584 states have return successors, (3162), 3078 states have call predecessors, (3162), 3123 states have call successors, (3162) [2022-11-20 20:43:34,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9522 states to 9522 states and 13814 transitions. [2022-11-20 20:43:34,335 INFO L78 Accepts]: Start accepts. Automaton has 9522 states and 13814 transitions. Word has length 169 [2022-11-20 20:43:34,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:34,339 INFO L495 AbstractCegarLoop]: Abstraction has 9522 states and 13814 transitions. [2022-11-20 20:43:34,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 20:43:34,339 INFO L276 IsEmpty]: Start isEmpty. Operand 9522 states and 13814 transitions. [2022-11-20 20:43:34,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-20 20:43:34,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:43:34,345 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:43:34,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:43:34,346 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting issue_scb_blockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:43:34,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:43:34,346 INFO L85 PathProgramCache]: Analyzing trace with hash -963403901, now seen corresponding path program 1 times [2022-11-20 20:43:34,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:43:34,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916521668] [2022-11-20 20:43:34,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:34,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:43:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-11-20 20:43:34,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:43:34,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916521668] [2022-11-20 20:43:34,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916521668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:34,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:43:34,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:43:34,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689328642] [2022-11-20 20:43:34,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:34,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:43:34,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:43:34,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:43:34,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:34,751 INFO L87 Difference]: Start difference. First operand 9522 states and 13814 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 20:43:37,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:43:39,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:39,073 INFO L93 Difference]: Finished difference Result 9816 states and 14300 transitions. [2022-11-20 20:43:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:43:39,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 177 [2022-11-20 20:43:39,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:39,124 INFO L225 Difference]: With dead ends: 9816 [2022-11-20 20:43:39,125 INFO L226 Difference]: Without dead ends: 9815 [2022-11-20 20:43:39,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 20:43:39,133 INFO L413 NwaCegarLoop]: 2771 mSDtfsCounter, 45 mSDsluCounter, 2713 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 5484 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:39,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 5484 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 671 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-20 20:43:39,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9815 states. [2022-11-20 20:43:39,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9815 to 9521. [2022-11-20 20:43:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9521 states, 5724 states have (on average 1.3142907058001398) internal successors, (7523), 6072 states have internal predecessors, (7523), 3123 states have call successors, (3123), 584 states have call predecessors, (3123), 584 states have return successors, (3162), 3078 states have call predecessors, (3162), 3123 states have call successors, (3162) [2022-11-20 20:43:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9521 states to 9521 states and 13808 transitions. [2022-11-20 20:43:39,606 INFO L78 Accepts]: Start accepts. Automaton has 9521 states and 13808 transitions. Word has length 177 [2022-11-20 20:43:39,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:39,607 INFO L495 AbstractCegarLoop]: Abstraction has 9521 states and 13808 transitions. [2022-11-20 20:43:39,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 20:43:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 9521 states and 13808 transitions. [2022-11-20 20:43:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-20 20:43:39,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:43:39,613 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:43:39,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 20:43:39,614 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting issue_scb_blockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:43:39,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:43:39,614 INFO L85 PathProgramCache]: Analyzing trace with hash 199253418, now seen corresponding path program 1 times [2022-11-20 20:43:39,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:43:39,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355464802] [2022-11-20 20:43:39,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:39,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:43:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-20 20:43:40,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:43:40,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355464802] [2022-11-20 20:43:40,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355464802] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:43:40,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904586649] [2022-11-20 20:43:40,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:40,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:43:40,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:43:40,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:43:40,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:43:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:41,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 3627 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:43:41,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:43:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-20 20:43:41,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:43:41,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904586649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:41,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:43:41,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-20 20:43:41,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924627632] [2022-11-20 20:43:41,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:41,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:43:41,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:43:41,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:43:41,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:43:41,941 INFO L87 Difference]: Start difference. First operand 9521 states and 13808 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 20:43:44,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:43:47,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:47,819 INFO L93 Difference]: Finished difference Result 10103 states and 14774 transitions. [2022-11-20 20:43:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:43:47,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 178 [2022-11-20 20:43:47,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:47,872 INFO L225 Difference]: With dead ends: 10103 [2022-11-20 20:43:47,872 INFO L226 Difference]: Without dead ends: 10102 [2022-11-20 20:43:47,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:43:47,882 INFO L413 NwaCegarLoop]: 2861 mSDtfsCounter, 87 mSDsluCounter, 5526 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 8387 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:47,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 8387 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1030 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-20 20:43:47,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10102 states. [2022-11-20 20:43:48,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10102 to 9490. [2022-11-20 20:43:48,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9490 states, 5700 states have (on average 1.3135087719298246) internal successors, (7487), 6047 states have internal predecessors, (7487), 3117 states have call successors, (3117), 584 states have call predecessors, (3117), 584 states have return successors, (3156), 3072 states have call predecessors, (3156), 3117 states have call successors, (3156) [2022-11-20 20:43:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9490 states to 9490 states and 13760 transitions. [2022-11-20 20:43:48,493 INFO L78 Accepts]: Start accepts. Automaton has 9490 states and 13760 transitions. Word has length 178 [2022-11-20 20:43:48,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:48,493 INFO L495 AbstractCegarLoop]: Abstraction has 9490 states and 13760 transitions. [2022-11-20 20:43:48,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 20:43:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 9490 states and 13760 transitions. [2022-11-20 20:43:48,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-20 20:43:48,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:43:48,499 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:43:48,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:43:48,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:43:48,720 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:43:48,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:43:48,720 INFO L85 PathProgramCache]: Analyzing trace with hash -251624238, now seen corresponding path program 1 times [2022-11-20 20:43:48,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:43:48,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897588486] [2022-11-20 20:43:48,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:48,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:43:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-20 20:43:49,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:43:49,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897588486] [2022-11-20 20:43:49,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897588486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:49,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:43:49,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:43:49,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674830842] [2022-11-20 20:43:49,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:49,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:43:49,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:43:49,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:43:49,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:43:49,703 INFO L87 Difference]: Start difference. First operand 9490 states and 13760 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 20:43:53,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:43:55,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:02,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:44:02,172 INFO L93 Difference]: Finished difference Result 13694 states and 19770 transitions. [2022-11-20 20:44:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:44:02,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 182 [2022-11-20 20:44:02,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:44:02,236 INFO L225 Difference]: With dead ends: 13694 [2022-11-20 20:44:02,237 INFO L226 Difference]: Without dead ends: 13692 [2022-11-20 20:44:02,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:44:02,245 INFO L413 NwaCegarLoop]: 5045 mSDtfsCounter, 5962 mSDsluCounter, 4658 mSDsCounter, 0 mSdLazyCounter, 2513 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5962 SdHoareTripleChecker+Valid, 9703 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2513 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:44:02,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5962 Valid, 9703 Invalid, 2532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2513 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2022-11-20 20:44:02,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13692 states. [2022-11-20 20:44:02,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13692 to 13516. [2022-11-20 20:44:02,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13516 states, 8190 states have (on average 1.3217338217338217) internal successors, (10825), 8637 states have internal predecessors, (10825), 4434 states have call successors, (4434), 803 states have call predecessors, (4434), 803 states have return successors, (4503), 4369 states have call predecessors, (4503), 4434 states have call successors, (4503) [2022-11-20 20:44:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13516 states to 13516 states and 19762 transitions. [2022-11-20 20:44:02,895 INFO L78 Accepts]: Start accepts. Automaton has 13516 states and 19762 transitions. Word has length 182 [2022-11-20 20:44:02,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:44:02,896 INFO L495 AbstractCegarLoop]: Abstraction has 13516 states and 19762 transitions. [2022-11-20 20:44:02,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 20:44:02,897 INFO L276 IsEmpty]: Start isEmpty. Operand 13516 states and 19762 transitions. [2022-11-20 20:44:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-20 20:44:02,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:44:02,904 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:44:02,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 20:44:02,904 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __megaraid_shutdownErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:44:02,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:44:02,905 INFO L85 PathProgramCache]: Analyzing trace with hash -34189545, now seen corresponding path program 1 times [2022-11-20 20:44:02,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:44:02,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111773224] [2022-11-20 20:44:02,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:44:02,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:44:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:44:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-11-20 20:44:03,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:44:03,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111773224] [2022-11-20 20:44:03,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111773224] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:44:03,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29467856] [2022-11-20 20:44:03,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:44:03,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:44:03,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:44:03,351 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:44:03,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:44:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:44:05,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 3708 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:44:05,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:44:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-11-20 20:44:05,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:44:05,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29467856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:44:05,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:44:05,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 20:44:05,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021621819] [2022-11-20 20:44:05,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:44:05,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:44:05,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:44:05,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:44:05,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:44:05,124 INFO L87 Difference]: Start difference. First operand 13516 states and 19762 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-20 20:44:07,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:09,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:44:09,612 INFO L93 Difference]: Finished difference Result 27019 states and 39787 transitions. [2022-11-20 20:44:09,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:44:09,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 196 [2022-11-20 20:44:09,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:44:09,680 INFO L225 Difference]: With dead ends: 27019 [2022-11-20 20:44:09,681 INFO L226 Difference]: Without dead ends: 13523 [2022-11-20 20:44:09,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:44:09,740 INFO L413 NwaCegarLoop]: 2689 mSDtfsCounter, 3 mSDsluCounter, 2684 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5373 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:44:09,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5373 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 670 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-20 20:44:09,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13523 states. [2022-11-20 20:44:10,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13523 to 13523. [2022-11-20 20:44:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13523 states, 8198 states have (on average 1.3204440107343254) internal successors, (10825), 8644 states have internal predecessors, (10825), 4434 states have call successors, (4434), 803 states have call predecessors, (4434), 803 states have return successors, (4503), 4369 states have call predecessors, (4503), 4434 states have call successors, (4503) [2022-11-20 20:44:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13523 states to 13523 states and 19762 transitions. [2022-11-20 20:44:10,360 INFO L78 Accepts]: Start accepts. Automaton has 13523 states and 19762 transitions. Word has length 196 [2022-11-20 20:44:10,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:44:10,361 INFO L495 AbstractCegarLoop]: Abstraction has 13523 states and 19762 transitions. [2022-11-20 20:44:10,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-20 20:44:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 13523 states and 19762 transitions. [2022-11-20 20:44:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-20 20:44:10,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:44:10,369 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:44:10,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 20:44:10,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:44:10,584 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __megaraid_shutdownErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:44:10,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:44:10,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1059874985, now seen corresponding path program 1 times [2022-11-20 20:44:10,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:44:10,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654734732] [2022-11-20 20:44:10,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:44:10,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:44:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:44:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-11-20 20:44:10,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:44:10,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654734732] [2022-11-20 20:44:10,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654734732] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:44:10,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081919071] [2022-11-20 20:44:10,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:44:10,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:44:10,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:44:10,999 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:44:11,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 20:44:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:44:12,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 3709 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:44:12,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:44:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-11-20 20:44:12,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:44:12,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081919071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:44:12,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:44:12,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 20:44:12,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638399806] [2022-11-20 20:44:12,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:44:12,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:44:12,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:44:12,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:44:12,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:44:12,626 INFO L87 Difference]: Start difference. First operand 13523 states and 19762 transitions. Second operand has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-20 20:44:15,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:16,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:44:16,626 INFO L93 Difference]: Finished difference Result 13523 states and 19762 transitions. [2022-11-20 20:44:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:44:16,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 197 [2022-11-20 20:44:16,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:44:16,694 INFO L225 Difference]: With dead ends: 13523 [2022-11-20 20:44:16,694 INFO L226 Difference]: Without dead ends: 13522 [2022-11-20 20:44:16,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:44:16,704 INFO L413 NwaCegarLoop]: 2689 mSDtfsCounter, 2 mSDsluCounter, 2684 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5373 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:44:16,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5373 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 666 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-20 20:44:16,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13522 states. [2022-11-20 20:44:17,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13522 to 13522. [2022-11-20 20:44:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13522 states, 8198 states have (on average 1.3194681629665772) internal successors, (10817), 8643 states have internal predecessors, (10817), 4434 states have call successors, (4434), 803 states have call predecessors, (4434), 803 states have return successors, (4503), 4369 states have call predecessors, (4503), 4434 states have call successors, (4503) [2022-11-20 20:44:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13522 states to 13522 states and 19754 transitions. [2022-11-20 20:44:17,325 INFO L78 Accepts]: Start accepts. Automaton has 13522 states and 19754 transitions. Word has length 197 [2022-11-20 20:44:17,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:44:17,326 INFO L495 AbstractCegarLoop]: Abstraction has 13522 states and 19754 transitions. [2022-11-20 20:44:17,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-20 20:44:17,326 INFO L276 IsEmpty]: Start isEmpty. Operand 13522 states and 19754 transitions. [2022-11-20 20:44:17,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-20 20:44:17,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:44:17,333 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:44:17,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 20:44:17,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:44:17,549 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:44:17,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:44:17,549 INFO L85 PathProgramCache]: Analyzing trace with hash 304155516, now seen corresponding path program 1 times [2022-11-20 20:44:17,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:44:17,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262158367] [2022-11-20 20:44:17,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:44:17,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:44:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:44:19,508 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-11-20 20:44:19,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:44:19,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262158367] [2022-11-20 20:44:19,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262158367] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:44:19,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194510227] [2022-11-20 20:44:19,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:44:19,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:44:19,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:44:19,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:44:19,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 20:44:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:44:21,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 4371 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 20:44:21,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:44:21,593 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-11-20 20:44:21,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:44:21,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194510227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:44:21,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:44:21,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-11-20 20:44:21,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976299069] [2022-11-20 20:44:21,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:44:21,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 20:44:21,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:44:21,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 20:44:21,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-20 20:44:21,597 INFO L87 Difference]: Start difference. First operand 13522 states and 19754 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-20 20:44:24,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:26,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:28,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:33,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:34,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:39,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:44:39,416 INFO L93 Difference]: Finished difference Result 29859 states and 44572 transitions. [2022-11-20 20:44:39,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 20:44:39,417 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 208 [2022-11-20 20:44:39,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:44:39,499 INFO L225 Difference]: With dead ends: 29859 [2022-11-20 20:44:39,499 INFO L226 Difference]: Without dead ends: 19699 [2022-11-20 20:44:39,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-11-20 20:44:39,540 INFO L413 NwaCegarLoop]: 3604 mSDtfsCounter, 1773 mSDsluCounter, 16847 mSDsCounter, 0 mSdLazyCounter, 2844 mSolverCounterSat, 907 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 20451 SdHoareTripleChecker+Invalid, 3755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 907 IncrementalHoareTripleChecker+Valid, 2844 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-20 20:44:39,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 20451 Invalid, 3755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [907 Valid, 2844 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time] [2022-11-20 20:44:39,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19699 states. [2022-11-20 20:44:40,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19699 to 13532. [2022-11-20 20:44:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13532 states, 8208 states have (on average 1.319078947368421) internal successors, (10827), 8653 states have internal predecessors, (10827), 4434 states have call successors, (4434), 803 states have call predecessors, (4434), 803 states have return successors, (4503), 4369 states have call predecessors, (4503), 4434 states have call successors, (4503) [2022-11-20 20:44:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13532 states to 13532 states and 19764 transitions. [2022-11-20 20:44:40,463 INFO L78 Accepts]: Start accepts. Automaton has 13532 states and 19764 transitions. Word has length 208 [2022-11-20 20:44:40,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:44:40,463 INFO L495 AbstractCegarLoop]: Abstraction has 13532 states and 19764 transitions. [2022-11-20 20:44:40,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-20 20:44:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 13532 states and 19764 transitions. [2022-11-20 20:44:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-20 20:44:40,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:44:40,472 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:44:40,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 20:44:40,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 20:44:40,687 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting mega_runpendqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:44:40,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:44:40,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1297045726, now seen corresponding path program 1 times [2022-11-20 20:44:40,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:44:40,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162437412] [2022-11-20 20:44:40,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:44:40,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:44:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:44:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-20 20:44:41,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:44:41,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162437412] [2022-11-20 20:44:41,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162437412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:44:41,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:44:41,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:44:41,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194699576] [2022-11-20 20:44:41,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:44:41,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:44:41,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:44:41,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:44:41,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:44:41,253 INFO L87 Difference]: Start difference. First operand 13532 states and 19764 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-20 20:44:44,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:46,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:48,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:50,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:44:50,840 INFO L93 Difference]: Finished difference Result 19610 states and 28593 transitions. [2022-11-20 20:44:50,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:44:50,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) Word has length 211 [2022-11-20 20:44:50,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:44:50,913 INFO L225 Difference]: With dead ends: 19610 [2022-11-20 20:44:50,913 INFO L226 Difference]: Without dead ends: 14836 [2022-11-20 20:44:50,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:44:50,946 INFO L413 NwaCegarLoop]: 2912 mSDtfsCounter, 105 mSDsluCounter, 8570 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 11482 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:44:50,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 11482 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1428 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-11-20 20:44:50,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14836 states. [2022-11-20 20:44:51,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14836 to 13564. [2022-11-20 20:44:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13564 states, 8232 states have (on average 1.3181486880466473) internal successors, (10851), 8677 states have internal predecessors, (10851), 4434 states have call successors, (4434), 803 states have call predecessors, (4434), 811 states have return successors, (4548), 4377 states have call predecessors, (4548), 4434 states have call successors, (4548) [2022-11-20 20:44:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13564 states to 13564 states and 19833 transitions. [2022-11-20 20:44:51,664 INFO L78 Accepts]: Start accepts. Automaton has 13564 states and 19833 transitions. Word has length 211 [2022-11-20 20:44:51,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:44:51,665 INFO L495 AbstractCegarLoop]: Abstraction has 13564 states and 19833 transitions. [2022-11-20 20:44:51,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-20 20:44:51,665 INFO L276 IsEmpty]: Start isEmpty. Operand 13564 states and 19833 transitions. [2022-11-20 20:44:51,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-20 20:44:51,675 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:44:51,676 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:44:51,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 20:44:51,676 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting mega_runpendqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:44:51,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:44:51,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1903396002, now seen corresponding path program 1 times [2022-11-20 20:44:51,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:44:51,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020354575] [2022-11-20 20:44:51,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:44:51,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:44:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:44:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-11-20 20:44:53,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:44:53,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020354575] [2022-11-20 20:44:53,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020354575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:44:53,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:44:53,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:44:53,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855441309] [2022-11-20 20:44:53,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:44:53,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:44:53,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:44:53,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:44:53,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:44:53,936 INFO L87 Difference]: Start difference. First operand 13564 states and 19833 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-20 20:44:55,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:57,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:44:59,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:02,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:45:02,545 INFO L93 Difference]: Finished difference Result 25583 states and 37711 transitions. [2022-11-20 20:45:02,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:45:02,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 222 [2022-11-20 20:45:02,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:45:02,587 INFO L225 Difference]: With dead ends: 25583 [2022-11-20 20:45:02,587 INFO L226 Difference]: Without dead ends: 13596 [2022-11-20 20:45:02,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:45:02,645 INFO L413 NwaCegarLoop]: 2690 mSDtfsCounter, 0 mSDsluCounter, 8053 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10743 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:45:02,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10743 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1355 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-11-20 20:45:02,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13596 states. [2022-11-20 20:45:03,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13596 to 13596. [2022-11-20 20:45:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13596 states, 8256 states have (on average 1.3172238372093024) internal successors, (10875), 8701 states have internal predecessors, (10875), 4434 states have call successors, (4434), 803 states have call predecessors, (4434), 819 states have return successors, (4630), 4385 states have call predecessors, (4630), 4434 states have call successors, (4630) [2022-11-20 20:45:03,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13596 states to 13596 states and 19939 transitions. [2022-11-20 20:45:03,246 INFO L78 Accepts]: Start accepts. Automaton has 13596 states and 19939 transitions. Word has length 222 [2022-11-20 20:45:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:45:03,247 INFO L495 AbstractCegarLoop]: Abstraction has 13596 states and 19939 transitions. [2022-11-20 20:45:03,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-20 20:45:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 13596 states and 19939 transitions. [2022-11-20 20:45:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-20 20:45:03,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:45:03,259 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:45:03,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 20:45:03,259 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting mega_runpendqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:45:03,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:45:03,260 INFO L85 PathProgramCache]: Analyzing trace with hash -376706591, now seen corresponding path program 1 times [2022-11-20 20:45:03,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:45:03,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048506534] [2022-11-20 20:45:03,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:45:03,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:45:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:45:04,231 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2022-11-20 20:45:04,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:45:04,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048506534] [2022-11-20 20:45:04,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048506534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:45:04,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:45:04,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:45:04,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114786129] [2022-11-20 20:45:04,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:45:04,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:45:04,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:45:04,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:45:04,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:45:04,234 INFO L87 Difference]: Start difference. First operand 13596 states and 19939 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-20 20:45:08,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:10,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:45:10,859 INFO L93 Difference]: Finished difference Result 27220 states and 40363 transitions. [2022-11-20 20:45:10,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:45:10,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 240 [2022-11-20 20:45:10,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:45:10,940 INFO L225 Difference]: With dead ends: 27220 [2022-11-20 20:45:10,940 INFO L226 Difference]: Without dead ends: 13644 [2022-11-20 20:45:11,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:45:11,003 INFO L413 NwaCegarLoop]: 2658 mSDtfsCounter, 6 mSDsluCounter, 5282 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 7940 SdHoareTripleChecker+Invalid, 1134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:45:11,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 7940 Invalid, 1134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1102 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-11-20 20:45:11,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13644 states. [2022-11-20 20:45:11,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13644 to 13638. [2022-11-20 20:45:11,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13638 states, 8285 states have (on average 1.3186481593240797) internal successors, (10925), 8735 states have internal predecessors, (10925), 4434 states have call successors, (4434), 811 states have call predecessors, (4434), 832 states have return successors, (4790), 4385 states have call predecessors, (4790), 4434 states have call successors, (4790) [2022-11-20 20:45:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13638 states to 13638 states and 20149 transitions. [2022-11-20 20:45:11,647 INFO L78 Accepts]: Start accepts. Automaton has 13638 states and 20149 transitions. Word has length 240 [2022-11-20 20:45:11,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:45:11,648 INFO L495 AbstractCegarLoop]: Abstraction has 13638 states and 20149 transitions. [2022-11-20 20:45:11,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-20 20:45:11,649 INFO L276 IsEmpty]: Start isEmpty. Operand 13638 states and 20149 transitions. [2022-11-20 20:45:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-20 20:45:11,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:45:11,660 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:45:11,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 20:45:11,660 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting mega_runpendqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:45:11,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:45:11,661 INFO L85 PathProgramCache]: Analyzing trace with hash 602653147, now seen corresponding path program 1 times [2022-11-20 20:45:11,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:45:11,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171670288] [2022-11-20 20:45:11,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:45:11,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:45:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:45:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-11-20 20:45:13,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:45:13,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171670288] [2022-11-20 20:45:13,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171670288] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:45:13,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347905458] [2022-11-20 20:45:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:45:13,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:45:13,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:45:13,181 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:45:13,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 20:45:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:45:15,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 4093 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-20 20:45:15,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:45:15,244 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-11-20 20:45:15,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:45:15,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347905458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:45:15,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:45:15,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2022-11-20 20:45:15,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055385377] [2022-11-20 20:45:15,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:45:15,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 20:45:15,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:45:15,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 20:45:15,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-11-20 20:45:15,248 INFO L87 Difference]: Start difference. First operand 13638 states and 20149 transitions. Second operand has 12 states, 9 states have (on average 11.222222222222221) internal successors, (101), 11 states have internal predecessors, (101), 7 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (46), 7 states have call predecessors, (46), 7 states have call successors, (46) [2022-11-20 20:45:18,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:25,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:45:25,902 INFO L93 Difference]: Finished difference Result 18638 states and 27251 transitions. [2022-11-20 20:45:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 20:45:25,903 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 11.222222222222221) internal successors, (101), 11 states have internal predecessors, (101), 7 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (46), 7 states have call predecessors, (46), 7 states have call successors, (46) Word has length 236 [2022-11-20 20:45:25,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:45:25,951 INFO L225 Difference]: With dead ends: 18638 [2022-11-20 20:45:25,951 INFO L226 Difference]: Without dead ends: 13622 [2022-11-20 20:45:25,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2022-11-20 20:45:25,974 INFO L413 NwaCegarLoop]: 2652 mSDtfsCounter, 21 mSDsluCounter, 26400 mSDsCounter, 0 mSdLazyCounter, 4226 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 29052 SdHoareTripleChecker+Invalid, 4243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 4226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-20 20:45:25,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 29052 Invalid, 4243 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 4226 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-11-20 20:45:25,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13622 states. [2022-11-20 20:45:26,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13622 to 13622. [2022-11-20 20:45:26,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13622 states, 8277 states have (on average 1.317989609761991) internal successors, (10909), 8727 states have internal predecessors, (10909), 4426 states have call successors, (4426), 811 states have call predecessors, (4426), 832 states have return successors, (4782), 4377 states have call predecessors, (4782), 4426 states have call successors, (4782) [2022-11-20 20:45:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13622 states to 13622 states and 20117 transitions. [2022-11-20 20:45:26,588 INFO L78 Accepts]: Start accepts. Automaton has 13622 states and 20117 transitions. Word has length 236 [2022-11-20 20:45:26,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:45:26,589 INFO L495 AbstractCegarLoop]: Abstraction has 13622 states and 20117 transitions. [2022-11-20 20:45:26,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 11.222222222222221) internal successors, (101), 11 states have internal predecessors, (101), 7 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (46), 7 states have call predecessors, (46), 7 states have call successors, (46) [2022-11-20 20:45:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 13622 states and 20117 transitions. [2022-11-20 20:45:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-20 20:45:26,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:45:26,598 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:45:26,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 20:45:26,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 20:45:26,816 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting mega_runpendqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:45:26,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:45:26,817 INFO L85 PathProgramCache]: Analyzing trace with hash -284939737, now seen corresponding path program 1 times [2022-11-20 20:45:26,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:45:26,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558256089] [2022-11-20 20:45:26,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:45:26,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:45:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:45:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2022-11-20 20:45:27,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:45:27,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558256089] [2022-11-20 20:45:27,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558256089] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:45:27,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73998217] [2022-11-20 20:45:27,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:45:27,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:45:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:45:27,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:45:27,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 20:45:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:45:29,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 3994 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 20:45:29,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:45:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-20 20:45:29,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:45:29,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73998217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:45:29,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:45:29,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5] total 17 [2022-11-20 20:45:29,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644434815] [2022-11-20 20:45:29,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:45:29,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 20:45:30,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:45:30,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 20:45:30,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2022-11-20 20:45:30,000 INFO L87 Difference]: Start difference. First operand 13622 states and 20117 transitions. Second operand has 14 states, 9 states have (on average 10.555555555555555) internal successors, (95), 12 states have internal predecessors, (95), 6 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (43), 7 states have call predecessors, (43), 6 states have call successors, (43) [2022-11-20 20:45:34,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:36,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:38,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:40,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:42,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:44,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:45,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:49,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:51,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:55,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:57,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:45:58,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:46:04,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:46:06,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:46:13,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:46:13,920 INFO L93 Difference]: Finished difference Result 31203 states and 46816 transitions. [2022-11-20 20:46:13,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 20:46:13,921 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 10.555555555555555) internal successors, (95), 12 states have internal predecessors, (95), 6 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (43), 7 states have call predecessors, (43), 6 states have call successors, (43) Word has length 241 [2022-11-20 20:46:13,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:46:13,994 INFO L225 Difference]: With dead ends: 31203 [2022-11-20 20:46:13,995 INFO L226 Difference]: Without dead ends: 17593 [2022-11-20 20:46:14,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=567, Unknown=0, NotChecked=0, Total=650 [2022-11-20 20:46:14,047 INFO L413 NwaCegarLoop]: 3794 mSDtfsCounter, 2226 mSDsluCounter, 42080 mSDsCounter, 0 mSdLazyCounter, 6683 mSolverCounterSat, 1166 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 45874 SdHoareTripleChecker+Invalid, 7859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1166 IncrementalHoareTripleChecker+Valid, 6683 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:46:14,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2398 Valid, 45874 Invalid, 7859 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1166 Valid, 6683 Invalid, 10 Unknown, 0 Unchecked, 42.3s Time] [2022-11-20 20:46:14,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17593 states. [2022-11-20 20:46:15,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17593 to 12949. [2022-11-20 20:46:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12949 states, 7863 states have (on average 1.3207427190639704) internal successors, (10385), 8292 states have internal predecessors, (10385), 4236 states have call successors, (4236), 742 states have call predecessors, (4236), 763 states have return successors, (4583), 4185 states have call predecessors, (4583), 4236 states have call successors, (4583) [2022-11-20 20:46:15,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12949 states to 12949 states and 19204 transitions. [2022-11-20 20:46:15,102 INFO L78 Accepts]: Start accepts. Automaton has 12949 states and 19204 transitions. Word has length 241 [2022-11-20 20:46:15,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:46:15,102 INFO L495 AbstractCegarLoop]: Abstraction has 12949 states and 19204 transitions. [2022-11-20 20:46:15,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 10.555555555555555) internal successors, (95), 12 states have internal predecessors, (95), 6 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (43), 7 states have call predecessors, (43), 6 states have call successors, (43) [2022-11-20 20:46:15,103 INFO L276 IsEmpty]: Start isEmpty. Operand 12949 states and 19204 transitions. [2022-11-20 20:46:15,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-20 20:46:15,109 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:46:15,110 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:46:15,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 20:46:15,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:46:15,330 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:46:15,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:46:15,331 INFO L85 PathProgramCache]: Analyzing trace with hash -497725849, now seen corresponding path program 1 times [2022-11-20 20:46:15,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:46:15,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255171149] [2022-11-20 20:46:15,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:46:15,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:46:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:46:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-11-20 20:46:17,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:46:17,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255171149] [2022-11-20 20:46:17,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255171149] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:46:17,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226919295] [2022-11-20 20:46:17,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:46:17,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:46:17,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:46:17,030 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:46:17,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 20:46:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:46:20,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 4569 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 20:46:20,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:46:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-11-20 20:46:20,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:46:20,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226919295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:46:20,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:46:20,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-20 20:46:20,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590032320] [2022-11-20 20:46:20,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:46:20,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:46:20,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:46:20,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:46:20,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 20:46:20,571 INFO L87 Difference]: Start difference. First operand 12949 states and 19204 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-20 20:46:22,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:46:27,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:46:27,618 INFO L93 Difference]: Finished difference Result 29331 states and 44297 transitions. [2022-11-20 20:46:27,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:46:27,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 239 [2022-11-20 20:46:27,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:46:27,698 INFO L225 Difference]: With dead ends: 29331 [2022-11-20 20:46:27,698 INFO L226 Difference]: Without dead ends: 18927 [2022-11-20 20:46:27,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-20 20:46:27,744 INFO L413 NwaCegarLoop]: 3402 mSDtfsCounter, 777 mSDsluCounter, 6088 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 324 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 9490 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 324 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:46:27,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 9490 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [324 Valid, 1105 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-20 20:46:27,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18927 states. [2022-11-20 20:46:28,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18927 to 12965. [2022-11-20 20:46:28,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12965 states, 7879 states have (on average 1.320091382155096) internal successors, (10401), 8308 states have internal predecessors, (10401), 4236 states have call successors, (4236), 742 states have call predecessors, (4236), 763 states have return successors, (4583), 4185 states have call predecessors, (4583), 4236 states have call successors, (4583) [2022-11-20 20:46:28,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12965 states to 12965 states and 19220 transitions. [2022-11-20 20:46:28,744 INFO L78 Accepts]: Start accepts. Automaton has 12965 states and 19220 transitions. Word has length 239 [2022-11-20 20:46:28,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:46:28,745 INFO L495 AbstractCegarLoop]: Abstraction has 12965 states and 19220 transitions. [2022-11-20 20:46:28,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-20 20:46:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 12965 states and 19220 transitions. [2022-11-20 20:46:28,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-20 20:46:28,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:46:28,752 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:46:28,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-20 20:46:28,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 20:46:28,976 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 107 more)] === [2022-11-20 20:46:28,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:46:28,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1947990706, now seen corresponding path program 1 times [2022-11-20 20:46:28,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:46:28,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82969206] [2022-11-20 20:46:28,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:46:28,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:46:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:46:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-20 20:46:29,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:46:29,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82969206] [2022-11-20 20:46:29,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82969206] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:46:29,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402136075] [2022-11-20 20:46:29,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:46:29,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:46:29,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:46:29,811 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:46:29,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_232d56b3-55bc-4f37-b63a-8e83338ff289/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 20:46:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:46:31,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 3975 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 20:46:31,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:46:32,119 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-20 20:46:32,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:46:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-20 20:46:32,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402136075] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:46:32,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1559963931] [2022-11-20 20:46:32,551 INFO L159 IcfgInterpreter]: Started Sifa with 114 locations of interest [2022-11-20 20:46:32,552 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:46:32,556 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:46:32,562 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:46:32,562 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:46:38,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 109 [2022-11-20 20:46:38,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-20 20:46:39,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-20 20:46:39,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-20 20:46:40,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-20 20:46:40,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-20 20:46:40,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-20 20:46:41,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 1065 treesize of output 891 [2022-11-20 20:46:42,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-20 20:46:43,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 103 [2022-11-20 20:46:43,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-20 20:46:43,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-20 20:46:44,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-20 20:48:42,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 20:48:42,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 20:49:31,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:31,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:32,675 INFO L321 Elim1Store]: treesize reduction 107, result has 49.3 percent of original size [2022-11-20 20:49:32,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 12069 treesize of output 11489 [2022-11-20 20:49:35,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:35,968 INFO L217 Elim1Store]: Index analysis took 387 ms [2022-11-20 20:49:39,608 INFO L321 Elim1Store]: treesize reduction 510, result has 50.0 percent of original size [2022-11-20 20:49:39,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 31 select indices, 31 select index equivalence classes, 435 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 60 case distinctions, treesize of input 11765 treesize of output 11392 [2022-11-20 20:49:41,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:41,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:49:43,076 INFO L321 Elim1Store]: treesize reduction 91, result has 56.9 percent of original size [2022-11-20 20:49:43,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 10881 treesize of output 10317 [2022-11-20 20:49:45,949 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:49:45,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 10201 treesize of output 10199 [2022-11-20 20:49:52,196 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 20:49:52,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 10196 treesize of output 10196 [2022-11-20 20:50:17,408 WARN L233 SmtUtils]: Spent 7.46s on a formula simplification. DAG size of input: 2391 DAG size of output: 2391 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 20:50:50,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 20:50:59,127 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 2423 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 20:52:31,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7