./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 --- 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-2329fc7 [2022-12-14 12:45:56,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:45:56,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:45:56,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:45:56,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:45:56,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:45:56,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:45:56,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:45:56,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:45:56,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:45:56,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:45:56,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:45:56,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:45:56,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:45:56,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:45:56,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:45:56,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:45:56,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:45:56,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:45:56,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:45:56,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:45:56,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:45:56,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:45:56,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:45:57,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:45:57,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:45:57,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:45:57,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:45:57,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:45:57,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:45:57,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:45:57,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:45:57,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:45:57,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:45:57,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:45:57,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:45:57,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:45:57,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:45:57,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:45:57,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:45:57,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:45:57,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 12:45:57,043 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:45:57,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:45:57,043 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:45:57,044 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:45:57,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:45:57,044 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:45:57,044 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:45:57,044 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:45:57,044 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:45:57,045 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:45:57,045 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:45:57,045 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:45:57,045 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:45:57,045 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:45:57,045 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:45:57,045 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:45:57,046 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:45:57,046 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:45:57,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:45:57,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:45:57,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:45:57,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:45:57,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:45:57,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:45:57,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:45:57,047 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:45:57,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:45:57,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:45:57,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:45:57,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:45:57,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:45:57,048 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:45:57,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:45:57,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:45:57,049 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:45:57,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:45:57,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:45:57,049 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:45:57,049 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_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 [2022-12-14 12:45:57,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:45:57,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:45:57,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:45:57,252 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:45:57,252 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:45:57,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2022-12-14 12:45:59,829 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:46:00,046 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:46:00,046 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2022-12-14 12:46:00,058 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/data/26e4f15c5/070a82e721b84112b10da924e2147796/FLAGbef17dfdb [2022-12-14 12:46:00,069 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/data/26e4f15c5/070a82e721b84112b10da924e2147796 [2022-12-14 12:46:00,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:46:00,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:46:00,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:46:00,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:46:00,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:46:00,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6237e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00, skipping insertion in model container [2022-12-14 12:46:00,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:46:00,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:46:00,383 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:46:00,440 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 12:46:00,444 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 12:46:00,447 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-14 12:46:00,450 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 12:46:00,466 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:46:00,472 WARN L623 FunctionHandler]: Unknown extern function pci_get_device [2022-12-14 12:46:00,472 WARN L623 FunctionHandler]: Unknown extern function pci_get_device [2022-12-14 12:46:00,473 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,474 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,474 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 12:46:00,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,475 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,476 WARN L623 FunctionHandler]: Unknown extern function simple_map_init [2022-12-14 12:46:00,476 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,478 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,478 WARN L623 FunctionHandler]: Unknown extern function pci_assign_resource [2022-12-14 12:46:00,479 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,479 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,479 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 12:46:00,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,482 WARN L623 FunctionHandler]: Unknown extern function do_map_probe [2022-12-14 12:46:00,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,482 WARN L623 FunctionHandler]: Unknown extern function do_map_probe [2022-12-14 12:46:00,484 WARN L623 FunctionHandler]: Unknown extern function mtd_device_parse_register [2022-12-14 12:46:00,484 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 12:46:00,487 WARN L623 FunctionHandler]: Unknown extern function mtd_device_unregister [2022-12-14 12:46:00,487 WARN L623 FunctionHandler]: Unknown extern function map_destroy [2022-12-14 12:46:00,487 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 12:46:00,493 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 12:46:00,498 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_2736871c-6e51-49a3-ad51-48e78e195c0b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2022-12-14 12:46:00,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:46:00,544 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:46:00,596 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:46:00,600 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 12:46:00,604 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 12:46:00,607 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-14 12:46:00,609 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 12:46:00,612 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:46:00,614 WARN L623 FunctionHandler]: Unknown extern function pci_get_device [2022-12-14 12:46:00,615 WARN L623 FunctionHandler]: Unknown extern function pci_get_device [2022-12-14 12:46:00,615 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,616 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,616 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,616 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 12:46:00,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,617 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,617 WARN L623 FunctionHandler]: Unknown extern function simple_map_init [2022-12-14 12:46:00,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,619 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,619 WARN L623 FunctionHandler]: Unknown extern function pci_assign_resource [2022-12-14 12:46:00,619 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,620 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 12:46:00,620 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,620 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 12:46:00,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,622 WARN L623 FunctionHandler]: Unknown extern function do_map_probe [2022-12-14 12:46:00,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:46:00,623 WARN L623 FunctionHandler]: Unknown extern function do_map_probe [2022-12-14 12:46:00,624 WARN L623 FunctionHandler]: Unknown extern function mtd_device_parse_register [2022-12-14 12:46:00,624 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 12:46:00,625 WARN L623 FunctionHandler]: Unknown extern function mtd_device_unregister [2022-12-14 12:46:00,641 WARN L623 FunctionHandler]: Unknown extern function map_destroy [2022-12-14 12:46:00,641 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 12:46:00,642 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 12:46:00,645 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_2736871c-6e51-49a3-ad51-48e78e195c0b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2022-12-14 12:46:00,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:46:00,685 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:46:00,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00 WrapperNode [2022-12-14 12:46:00,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:46:00,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:46:00,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:46:00,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:46:00,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,744 INFO L138 Inliner]: procedures = 77, calls = 167, calls flagged for inlining = 31, calls inlined = 27, statements flattened = 443 [2022-12-14 12:46:00,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:46:00,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:46:00,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:46:00,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:46:00,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,777 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:46:00,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:46:00,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:46:00,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:46:00,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (1/1) ... [2022-12-14 12:46:00,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:46:00,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:46:00,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:46:00,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:46:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:46:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:46:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:46:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 12:46:00,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 12:46:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:46:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:46:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure do_map_probe [2022-12-14 12:46:00,834 INFO L138 BoogieDeclarations]: Found implementation of procedure do_map_probe [2022-12-14 12:46:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 12:46:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 12:46:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2022-12-14 12:46:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2022-12-14 12:46:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:46:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 12:46:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 12:46:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 12:46:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:46:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 12:46:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 12:46:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-12-14 12:46:00,836 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-12-14 12:46:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 12:46:00,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 12:46:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-12-14 12:46:00,836 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-12-14 12:46:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:46:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:46:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-12-14 12:46:00,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-12-14 12:46:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:46:00,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:46:01,008 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:46:01,010 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:46:01,083 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 12:46:01,382 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:46:01,489 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:46:01,490 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:46:01,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:46:01 BoogieIcfgContainer [2022-12-14 12:46:01,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:46:01,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:46:01,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:46:01,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:46:01,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:46:00" (1/3) ... [2022-12-14 12:46:01,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55732f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:46:01, skipping insertion in model container [2022-12-14 12:46:01,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:00" (2/3) ... [2022-12-14 12:46:01,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55732f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:46:01, skipping insertion in model container [2022-12-14 12:46:01,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:46:01" (3/3) ... [2022-12-14 12:46:01,510 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2022-12-14 12:46:01,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:46:01,524 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 12:46:01,564 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:46:01,570 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;@58e36a20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:46:01,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 12:46:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 63 states have internal predecessors, (80), 24 states have call successors, (24), 10 states have call predecessors, (24), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-12-14 12:46:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 12:46:01,580 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:46:01,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:46:01,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:46:01,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:46:01,585 INFO L85 PathProgramCache]: Analyzing trace with hash 81152525, now seen corresponding path program 1 times [2022-12-14 12:46:01,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:46:01,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931400060] [2022-12-14 12:46:01,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:46:01,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:46:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:46:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:46:01,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:46:01,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931400060] [2022-12-14 12:46:01,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931400060] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:46:01,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:46:01,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:46:01,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100698900] [2022-12-14 12:46:01,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:46:01,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:46:01,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:46:01,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:46:01,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:46:01,890 INFO L87 Difference]: Start difference. First operand has 94 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 63 states have internal predecessors, (80), 24 states have call successors, (24), 10 states have call predecessors, (24), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:46:02,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:46:02,026 INFO L93 Difference]: Finished difference Result 202 states and 274 transitions. [2022-12-14 12:46:02,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:46:02,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-14 12:46:02,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:46:02,035 INFO L225 Difference]: With dead ends: 202 [2022-12-14 12:46:02,035 INFO L226 Difference]: Without dead ends: 101 [2022-12-14 12:46:02,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:46:02,040 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 104 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:46:02,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 126 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:46:02,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-12-14 12:46:02,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-12-14 12:46:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 69 states have (on average 1.289855072463768) internal successors, (89), 69 states have internal predecessors, (89), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-12-14 12:46:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2022-12-14 12:46:02,082 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 132 transitions. Word has length 14 [2022-12-14 12:46:02,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:46:02,083 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 132 transitions. [2022-12-14 12:46:02,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:46:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2022-12-14 12:46:02,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 12:46:02,085 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:46:02,085 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 12:46:02,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:46:02,085 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:46:02,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:46:02,086 INFO L85 PathProgramCache]: Analyzing trace with hash 971996276, now seen corresponding path program 1 times [2022-12-14 12:46:02,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:46:02,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110272247] [2022-12-14 12:46:02,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:46:02,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:46:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:46:02,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 12:46:02,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:46:02,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110272247] [2022-12-14 12:46:02,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110272247] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:46:02,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:46:02,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:46:02,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302448821] [2022-12-14 12:46:02,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:46:02,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:46:02,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:46:02,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:46:02,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:46:02,198 INFO L87 Difference]: Start difference. First operand 101 states and 132 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 12:46:02,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:46:02,312 INFO L93 Difference]: Finished difference Result 101 states and 132 transitions. [2022-12-14 12:46:02,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:46:02,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2022-12-14 12:46:02,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:46:02,314 INFO L225 Difference]: With dead ends: 101 [2022-12-14 12:46:02,314 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 12:46:02,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:46:02,316 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 96 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:46:02,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 96 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:46:02,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 12:46:02,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 12:46:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:46:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 12:46:02,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2022-12-14 12:46:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:46:02,318 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 12:46:02,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 12:46:02,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 12:46:02,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 12:46:02,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 12:46:02,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:46:02,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 12:46:02,449 INFO L899 garLoopResultBuilder]: For program point iounmapEXIT(lines 3207 3209) no Hoare annotation was computed. [2022-12-14 12:46:02,449 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3207 3209) the Hoare annotation is: true [2022-12-14 12:46:02,450 INFO L899 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2022-12-14 12:46:02,450 INFO L899 garLoopResultBuilder]: For program point do_map_probeEXIT(lines 3201 3203) no Hoare annotation was computed. [2022-12-14 12:46:02,450 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3201 3203) the Hoare annotation is: true [2022-12-14 12:46:02,450 INFO L902 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: true [2022-12-14 12:46:02,450 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2761 2768) the Hoare annotation is: true [2022-12-14 12:46:02,450 INFO L899 garLoopResultBuilder]: For program point inlEXIT(lines 2761 2768) no Hoare annotation was computed. [2022-12-14 12:46:02,450 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2774 2776) the Hoare annotation is: true [2022-12-14 12:46:02,450 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2774 2776) no Hoare annotation was computed. [2022-12-14 12:46:02,451 INFO L899 garLoopResultBuilder]: For program point outlEXIT(lines 2754 2760) no Hoare annotation was computed. [2022-12-14 12:46:02,451 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2754 2760) the Hoare annotation is: true [2022-12-14 12:46:02,451 INFO L899 garLoopResultBuilder]: For program point L2784(lines 2784 2791) no Hoare annotation was computed. [2022-12-14 12:46:02,451 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2777 2793) the Hoare annotation is: true [2022-12-14 12:46:02,451 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 2777 2793) no Hoare annotation was computed. [2022-12-14 12:46:02,451 INFO L899 garLoopResultBuilder]: For program point L2789-1(line 2789) no Hoare annotation was computed. [2022-12-14 12:46:02,451 INFO L902 garLoopResultBuilder]: At program point L2789(line 2789) the Hoare annotation is: true [2022-12-14 12:46:02,451 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2777 2793) no Hoare annotation was computed. [2022-12-14 12:46:02,452 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 3085 3091) the Hoare annotation is: true [2022-12-14 12:46:02,452 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3089) no Hoare annotation was computed. [2022-12-14 12:46:02,452 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 3085 3091) no Hoare annotation was computed. [2022-12-14 12:46:02,452 INFO L902 garLoopResultBuilder]: At program point L3248(line 3248) the Hoare annotation is: true [2022-12-14 12:46:02,452 INFO L899 garLoopResultBuilder]: For program point pci_get_deviceEXIT(lines 3247 3249) no Hoare annotation was computed. [2022-12-14 12:46:02,452 INFO L899 garLoopResultBuilder]: For program point L3248-1(line 3248) no Hoare annotation was computed. [2022-12-14 12:46:02,452 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3247 3249) the Hoare annotation is: true [2022-12-14 12:46:02,453 INFO L899 garLoopResultBuilder]: For program point pci_dev_putEXIT(lines 3244 3246) no Hoare annotation was computed. [2022-12-14 12:46:02,453 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3244 3246) the Hoare annotation is: true [2022-12-14 12:46:02,453 INFO L902 garLoopResultBuilder]: At program point LDV_STOP(lines 2846 2852) the Hoare annotation is: true [2022-12-14 12:46:02,453 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 2846 2852) no Hoare annotation was computed. [2022-12-14 12:46:02,453 INFO L899 garLoopResultBuilder]: For program point L3041(lines 3041 3072) no Hoare annotation was computed. [2022-12-14 12:46:02,453 INFO L902 garLoopResultBuilder]: At program point L3075(line 3075) the Hoare annotation is: true [2022-12-14 12:46:02,453 INFO L899 garLoopResultBuilder]: For program point L3043(lines 3043 3069) no Hoare annotation was computed. [2022-12-14 12:46:02,454 INFO L895 garLoopResultBuilder]: At program point init_l440gx_returnLabel#1(lines 2942 3016) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,454 INFO L895 garLoopResultBuilder]: At program point L2961(lines 2961 2966) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,454 INFO L899 garLoopResultBuilder]: For program point L3044(line 3044) no Hoare annotation was computed. [2022-12-14 12:46:02,454 INFO L899 garLoopResultBuilder]: For program point L2929(lines 2929 2933) no Hoare annotation was computed. [2022-12-14 12:46:02,454 INFO L895 garLoopResultBuilder]: At program point L2929-2(lines 2920 2934) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,454 INFO L895 garLoopResultBuilder]: At program point L3045(lines 3045 3050) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2022-12-14 12:46:02,455 INFO L895 garLoopResultBuilder]: At program point L2979-1(line 2979) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,455 INFO L895 garLoopResultBuilder]: At program point L2979(line 2979) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,455 INFO L899 garLoopResultBuilder]: For program point L2963-1(line 2963) no Hoare annotation was computed. [2022-12-14 12:46:02,455 INFO L895 garLoopResultBuilder]: At program point L2930(line 2930) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,455 INFO L895 garLoopResultBuilder]: At program point L2963(line 2963) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,455 INFO L899 garLoopResultBuilder]: For program point L2930-1(line 2930) no Hoare annotation was computed. [2022-12-14 12:46:02,455 INFO L899 garLoopResultBuilder]: For program point L3013-1(line 3013) no Hoare annotation was computed. [2022-12-14 12:46:02,456 INFO L895 garLoopResultBuilder]: At program point L3013(line 3013) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,456 INFO L899 garLoopResultBuilder]: For program point L2931-1(line 2931) no Hoare annotation was computed. [2022-12-14 12:46:02,456 INFO L895 garLoopResultBuilder]: At program point L2931(line 2931) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,456 INFO L899 garLoopResultBuilder]: For program point L2981(lines 2981 2988) no Hoare annotation was computed. [2022-12-14 12:46:02,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 12:46:02,456 INFO L895 garLoopResultBuilder]: At program point L2982(line 2982) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,456 INFO L895 garLoopResultBuilder]: At program point L2982-1(line 2982) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,456 INFO L899 garLoopResultBuilder]: For program point L2983(line 2983) no Hoare annotation was computed. [2022-12-14 12:46:02,457 INFO L895 garLoopResultBuilder]: At program point L3000(line 3000) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,457 INFO L899 garLoopResultBuilder]: For program point L3000-1(line 3000) no Hoare annotation was computed. [2022-12-14 12:46:02,457 INFO L899 garLoopResultBuilder]: For program point L2951-1(line 2951) no Hoare annotation was computed. [2022-12-14 12:46:02,457 INFO L895 garLoopResultBuilder]: At program point L2951(line 2951) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,457 INFO L899 garLoopResultBuilder]: For program point L3067(line 3067) no Hoare annotation was computed. [2022-12-14 12:46:02,458 INFO L899 garLoopResultBuilder]: For program point L3001(lines 3001 3005) no Hoare annotation was computed. [2022-12-14 12:46:02,458 INFO L895 garLoopResultBuilder]: At program point L3001-2(lines 2950 3015) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,458 INFO L895 garLoopResultBuilder]: At program point L2952(line 2952) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,458 INFO L899 garLoopResultBuilder]: For program point L2985-1(line 2985) no Hoare annotation was computed. [2022-12-14 12:46:02,458 INFO L895 garLoopResultBuilder]: At program point L2985(line 2985) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,458 INFO L899 garLoopResultBuilder]: For program point L2952-1(line 2952) no Hoare annotation was computed. [2022-12-14 12:46:02,458 INFO L902 garLoopResultBuilder]: At program point L3068(line 3068) the Hoare annotation is: true [2022-12-14 12:46:02,459 INFO L899 garLoopResultBuilder]: For program point L3052(line 3052) no Hoare annotation was computed. [2022-12-14 12:46:02,459 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 12:46:02,459 INFO L899 garLoopResultBuilder]: For program point L2953-1(lines 2950 3015) no Hoare annotation was computed. [2022-12-14 12:46:02,459 INFO L899 garLoopResultBuilder]: For program point L2920(lines 2920 2934) no Hoare annotation was computed. [2022-12-14 12:46:02,459 INFO L895 garLoopResultBuilder]: At program point L2953(line 2953) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,459 INFO L895 garLoopResultBuilder]: At program point main_ldv_final#1(lines 3033 3082) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2022-12-14 12:46:02,459 INFO L895 garLoopResultBuilder]: At program point L2970(lines 2970 2990) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,459 INFO L899 garLoopResultBuilder]: For program point L3003-1(line 3003) no Hoare annotation was computed. [2022-12-14 12:46:02,460 INFO L895 garLoopResultBuilder]: At program point L3003(line 3003) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,460 INFO L895 garLoopResultBuilder]: At program point L2970-2(lines 2970 2990) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,460 INFO L899 garLoopResultBuilder]: For program point L3053(lines 3053 3065) no Hoare annotation was computed. [2022-12-14 12:46:02,460 INFO L895 garLoopResultBuilder]: At program point L3037(lines 3033 3082) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2022-12-14 12:46:02,460 INFO L899 garLoopResultBuilder]: For program point L2922(lines 2922 2926) no Hoare annotation was computed. [2022-12-14 12:46:02,460 INFO L902 garLoopResultBuilder]: At program point L3187-1(lines 3184 3193) the Hoare annotation is: true [2022-12-14 12:46:02,460 INFO L899 garLoopResultBuilder]: For program point L3187(lines 3187 3190) no Hoare annotation was computed. [2022-12-14 12:46:02,461 INFO L895 garLoopResultBuilder]: At program point L3022(line 3022) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2022-12-14 12:46:02,461 INFO L895 garLoopResultBuilder]: At program point L2956(line 2956) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,461 INFO L895 garLoopResultBuilder]: At program point L3022-1(line 3022) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2022-12-14 12:46:02,461 INFO L899 garLoopResultBuilder]: For program point L3055-2(lines 3053 3064) no Hoare annotation was computed. [2022-12-14 12:46:02,461 INFO L899 garLoopResultBuilder]: For program point L2923-1(line 2923) no Hoare annotation was computed. [2022-12-14 12:46:02,461 INFO L899 garLoopResultBuilder]: For program point L2956-1(line 2956) no Hoare annotation was computed. [2022-12-14 12:46:02,461 INFO L895 garLoopResultBuilder]: At program point L2923(line 2923) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,461 INFO L899 garLoopResultBuilder]: For program point L3039(lines 3039 3076) no Hoare annotation was computed. [2022-12-14 12:46:02,462 INFO L895 garLoopResultBuilder]: At program point L3188(line 3188) the Hoare annotation is: false [2022-12-14 12:46:02,462 INFO L895 garLoopResultBuilder]: At program point L2924(line 2924) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,462 INFO L899 garLoopResultBuilder]: For program point L2924-1(line 2924) no Hoare annotation was computed. [2022-12-14 12:46:02,462 INFO L895 garLoopResultBuilder]: At program point L3205-1(line 3205) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,462 INFO L895 garLoopResultBuilder]: At program point L3205(line 3205) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2022-12-14 12:46:02,462 INFO L899 garLoopResultBuilder]: For program point L3040(line 3040) no Hoare annotation was computed. [2022-12-14 12:46:02,462 INFO L899 garLoopResultBuilder]: For program point L3074(line 3074) no Hoare annotation was computed. [2022-12-14 12:46:02,466 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:46:02,468 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:46:02,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:46:02 BoogieIcfgContainer [2022-12-14 12:46:02,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:46:02,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:46:02,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:46:02,482 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:46:02,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:46:01" (3/4) ... [2022-12-14 12:46:02,485 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 12:46:02,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2022-12-14 12:46:02,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-12-14 12:46:02,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_map_probe [2022-12-14 12:46:02,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-12-14 12:46:02,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_device [2022-12-14 12:46:02,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inl [2022-12-14 12:46:02,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2022-12-14 12:46:02,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-12-14 12:46:02,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 12:46:02,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outl [2022-12-14 12:46:02,500 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2022-12-14 12:46:02,501 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2022-12-14 12:46:02,501 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-14 12:46:02,502 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 12:46:02,502 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 12:46:02,571 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:46:02,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:46:02,572 INFO L158 Benchmark]: Toolchain (without parser) took 2500.03ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 106.7MB in the beginning and 86.2MB in the end (delta: 20.5MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. [2022-12-14 12:46:02,572 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 148.9MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:46:02,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.62ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 106.5MB in the beginning and 171.7MB in the end (delta: -65.2MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2022-12-14 12:46:02,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.61ms. Allocated memory is still 211.8MB. Free memory was 171.7MB in the beginning and 167.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:46:02,573 INFO L158 Benchmark]: Boogie Preprocessor took 37.06ms. Allocated memory is still 211.8MB. Free memory was 167.5MB in the beginning and 164.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:46:02,573 INFO L158 Benchmark]: RCFGBuilder took 719.41ms. Allocated memory is still 211.8MB. Free memory was 164.3MB in the beginning and 167.7MB in the end (delta: -3.4MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2022-12-14 12:46:02,573 INFO L158 Benchmark]: TraceAbstraction took 976.38ms. Allocated memory is still 211.8MB. Free memory was 167.7MB in the beginning and 94.5MB in the end (delta: 73.2MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2022-12-14 12:46:02,574 INFO L158 Benchmark]: Witness Printer took 90.10ms. Allocated memory is still 211.8MB. Free memory was 94.5MB in the beginning and 86.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 12:46:02,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 148.9MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.62ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 106.5MB in the beginning and 171.7MB in the end (delta: -65.2MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.61ms. Allocated memory is still 211.8MB. Free memory was 171.7MB in the beginning and 167.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.06ms. Allocated memory is still 211.8MB. Free memory was 167.5MB in the beginning and 164.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 719.41ms. Allocated memory is still 211.8MB. Free memory was 164.3MB in the beginning and 167.7MB in the end (delta: -3.4MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * TraceAbstraction took 976.38ms. Allocated memory is still 211.8MB. Free memory was 167.7MB in the beginning and 94.5MB in the end (delta: 73.2MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Witness Printer took 90.10ms. Allocated memory is still 211.8MB. Free memory was 94.5MB in the beginning and 86.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3089]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 200 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 200 mSDsluCounter, 222 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 198 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 99 PreInvPairs, 136 NumberOfFragments, 208 HoareAnnotationTreeSize, 99 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 48 FomulaSimplificationsInter, 165 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3022]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3205]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2961]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2970]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2979]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2950]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3045]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2942]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2920]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2970]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 12:46:02,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2736871c-6e51-49a3-ad51-48e78e195c0b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE