./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-43_2a-drivers--net--ethernet--amd--amd8111e.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/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_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/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_85449795-448d-44ad-9aca-2a3618c92dea/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 f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada --- 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 11:23:52,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:23:52,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:23:52,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:23:52,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:23:52,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:23:52,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:23:52,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:23:52,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:23:52,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:23:52,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:23:52,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:23:52,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:23:52,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:23:52,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:23:52,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:23:52,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:23:52,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:23:52,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:23:52,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:23:52,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:23:52,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:23:52,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:23:52,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:23:52,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:23:52,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:23:52,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:23:52,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:23:52,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:23:52,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:23:52,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:23:52,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:23:52,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:23:52,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:23:52,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:23:52,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:23:52,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:23:52,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:23:52,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:23:52,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:23:52,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:23:52,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 11:23:52,422 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:23:52,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:23:52,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:23:52,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:23:52,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:23:52,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:23:52,424 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:23:52,424 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:23:52,424 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:23:52,424 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:23:52,424 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:23:52,428 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:23:52,429 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:23:52,429 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:23:52,429 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:23:52,429 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:23:52,429 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:23:52,429 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:23:52,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:23:52,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:23:52,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:23:52,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:23:52,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:23:52,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:23:52,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:23:52,431 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:23:52,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:23:52,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:23:52,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:23:52,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:23:52,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:23:52,432 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:23:52,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:23:52,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:23:52,432 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:23:52,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:23:52,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:23:52,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:23:52,432 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_85449795-448d-44ad-9aca-2a3618c92dea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada [2022-12-14 11:23:52,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:23:52,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:23:52,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:23:52,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:23:52,614 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:23:52,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2022-12-14 11:23:55,043 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:23:55,354 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:23:55,355 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2022-12-14 11:23:55,375 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/data/b2c9f5c8d/18b8499c3818431d8a8e7f407d34d906/FLAG4d49b1137 [2022-12-14 11:23:55,593 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/data/b2c9f5c8d/18b8499c3818431d8a8e7f407d34d906 [2022-12-14 11:23:55,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:23:55,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:23:55,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:23:55,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:23:55,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:23:55,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:23:55" (1/1) ... [2022-12-14 11:23:55,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295f5c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:55, skipping insertion in model container [2022-12-14 11:23:55,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:23:55" (1/1) ... [2022-12-14 11:23:55,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:23:55,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:23:56,227 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 11:23:56,236 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 11:23:56,244 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 11:23:56,253 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 11:23:56,262 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 11:23:56,395 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 11:23:56,461 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 11:23:56,508 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 11:23:56,512 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 11:23:56,513 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 11:23:56,519 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 11:23:56,534 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 11:23:56,539 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 11:23:56,553 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 11:23:56,689 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 11:23:56,721 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 11:23:56,729 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb_sk [2022-12-14 11:23:56,773 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:23:56,777 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:23:56,795 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 11:23:56,804 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 11:23:56,815 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 11:23:56,838 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 11:23:56,883 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 11:23:56,884 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 11:23:56,888 WARN L623 FunctionHandler]: Unknown extern function __napi_complete [2022-12-14 11:23:56,894 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 11:23:56,897 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 11:23:56,897 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 11:23:56,898 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 11:23:56,902 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:23:56,931 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 11:23:56,933 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 11:23:56,939 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 11:23:56,940 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 11:23:56,940 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 11:23:56,943 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-12-14 11:23:56,944 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 11:23:56,948 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-12-14 11:23:56,949 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 11:23:56,949 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 11:23:56,977 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 11:23:56,984 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 11:23:56,984 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 11:23:56,986 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 11:23:56,998 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-14 11:23:57,002 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-14 11:23:57,005 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-14 11:23:57,008 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-12-14 11:23:57,044 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 11:23:57,049 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 11:23:57,050 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 11:23:57,051 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 11:23:57,055 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 11:23:57,055 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 11:23:57,056 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 11:23:57,072 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 11:23:57,072 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,073 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,073 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 11:23:57,074 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,074 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 11:23:57,074 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,075 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,076 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 11:23:57,077 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 11:23:57,077 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap [2022-12-14 11:23:57,078 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,079 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 11:23:57,081 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,082 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 11:23:57,082 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 11:23:57,083 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 11:23:57,083 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 11:23:57,083 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 11:23:57,084 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 11:23:57,087 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 11:23:57,087 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 11:23:57,122 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 11:23:57,123 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 11:23:57,123 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 11:23:57,123 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 11:23:57,126 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-12-14 11:23:57,127 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-12-14 11:23:57,130 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_3 [2022-12-14 11:23:57,130 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-14 11:23:57,131 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-14 11:23:57,131 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 11:23:57,132 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 11:23:57,132 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 11:23:57,132 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 11:23:57,134 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 11:23:57,138 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 11:23:57,138 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 11:23:57,139 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 11:23:57,140 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 11:23:57,140 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 11:23:57,141 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 11:23:57,141 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 11:23:57,142 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 11:23:57,142 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 11:23:57,143 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 11:23:57,143 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 11:23:57,143 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 11:23:57,147 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_85449795-448d-44ad-9aca-2a3618c92dea/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i[274049,274062] [2022-12-14 11:23:57,171 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 11:23:57,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:23:57,222 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:23:57,342 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 11:23:57,342 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 11:23:57,343 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 11:23:57,343 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 11:23:57,343 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 11:23:57,345 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 11:23:57,348 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 11:23:57,352 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 11:23:57,353 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 11:23:57,353 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 11:23:57,355 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 11:23:57,356 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 11:23:57,357 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 11:23:57,358 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 11:23:57,363 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 11:23:57,364 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 11:23:57,364 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb_sk [2022-12-14 11:23:57,366 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:23:57,368 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:23:57,373 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 11:23:57,374 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 11:23:57,376 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 11:23:57,384 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 11:23:57,396 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 11:23:57,397 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 11:23:57,399 WARN L623 FunctionHandler]: Unknown extern function __napi_complete [2022-12-14 11:23:57,401 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 11:23:57,403 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 11:23:57,403 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 11:23:57,404 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 11:23:57,405 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:23:57,415 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 11:23:57,416 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 11:23:57,418 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 11:23:57,418 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 11:23:57,418 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 11:23:57,419 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-12-14 11:23:57,419 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 11:23:57,421 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-12-14 11:23:57,422 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 11:23:57,422 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 11:23:57,430 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 11:23:57,431 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 11:23:57,432 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 11:23:57,433 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 11:23:57,434 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-14 11:23:57,434 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-14 11:23:57,435 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-14 11:23:57,435 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-12-14 11:23:57,441 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 11:23:57,442 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 11:23:57,444 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 11:23:57,444 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 11:23:57,445 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 11:23:57,445 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 11:23:57,445 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 11:23:57,449 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 11:23:57,450 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,450 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,451 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 11:23:57,451 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,451 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 11:23:57,452 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,452 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,453 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 11:23:57,455 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 11:23:57,455 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap [2022-12-14 11:23:57,456 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,457 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 11:23:57,469 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 11:23:57,471 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 11:23:57,471 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 11:23:57,472 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 11:23:57,472 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 11:23:57,472 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 11:23:57,472 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 11:23:57,473 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 11:23:57,474 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 11:23:57,480 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 11:23:57,481 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 11:23:57,481 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 11:23:57,481 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 11:23:57,484 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-12-14 11:23:57,484 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-12-14 11:23:57,487 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_3 [2022-12-14 11:23:57,487 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-14 11:23:57,487 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-14 11:23:57,488 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 11:23:57,488 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 11:23:57,488 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 11:23:57,489 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 11:23:57,490 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 11:23:57,493 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 11:23:57,494 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 11:23:57,494 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 11:23:57,495 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 11:23:57,495 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 11:23:57,496 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 11:23:57,496 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 11:23:57,496 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 11:23:57,496 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 11:23:57,497 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 11:23:57,497 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 11:23:57,497 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 11:23:57,498 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_85449795-448d-44ad-9aca-2a3618c92dea/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i[274049,274062] [2022-12-14 11:23:57,499 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 11:23:57,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:23:57,625 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:23:57,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57 WrapperNode [2022-12-14 11:23:57,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:23:57,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:23:57,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:23:57,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:23:57,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (1/1) ... [2022-12-14 11:23:57,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (1/1) ... [2022-12-14 11:23:57,786 INFO L138 Inliner]: procedures = 278, calls = 1466, calls flagged for inlining = 144, calls inlined = 134, statements flattened = 3610 [2022-12-14 11:23:57,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:23:57,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:23:57,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:23:57,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:23:57,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (1/1) ... [2022-12-14 11:23:57,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (1/1) ... [2022-12-14 11:23:57,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (1/1) ... [2022-12-14 11:23:57,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (1/1) ... [2022-12-14 11:23:57,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (1/1) ... [2022-12-14 11:23:57,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (1/1) ... [2022-12-14 11:23:57,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (1/1) ... [2022-12-14 11:23:57,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (1/1) ... [2022-12-14 11:23:57,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:23:57,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:23:57,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:23:57,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:23:57,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (1/1) ... [2022-12-14 11:23:57,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:23:57,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:23:57,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:23:57,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:23:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-12-14 11:23:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-12-14 11:23:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 11:23:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 11:23:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 11:23:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 11:23:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 11:23:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 11:23:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2022-12-14 11:23:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2022-12-14 11:23:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 11:23:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 11:23:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-12-14 11:23:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-12-14 11:23:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 11:23:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 11:23:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 11:23:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 11:23:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-14 11:23:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-14 11:23:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2022-12-14 11:23:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2022-12-14 11:23:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 11:23:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 11:23:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2022-12-14 11:23:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2022-12-14 11:23:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 11:23:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 11:23:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2022-12-14 11:23:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2022-12-14 11:23:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-12-14 11:23:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-12-14 11:23:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 11:23:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 11:23:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 11:23:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 11:23:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 11:23:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 11:23:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 11:23:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 11:23:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2022-12-14 11:23:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2022-12-14 11:23:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 11:23:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 11:23:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 11:23:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 11:23:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 11:23:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 11:23:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 11:23:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 11:23:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-14 11:23:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-14 11:23:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:23:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-12-14 11:23:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-12-14 11:23:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 11:23:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 11:23:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:23:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 11:23:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 11:23:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 11:23:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 11:23:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 11:23:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 11:23:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2022-12-14 11:23:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2022-12-14 11:23:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-14 11:23:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-14 11:23:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 11:23:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 11:23:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-12-14 11:23:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-12-14 11:23:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 11:23:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 11:23:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2022-12-14 11:23:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2022-12-14 11:23:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:23:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 11:23:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2022-12-14 11:23:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2022-12-14 11:23:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2022-12-14 11:23:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2022-12-14 11:23:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 11:23:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 11:23:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 11:23:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 11:23:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2022-12-14 11:23:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2022-12-14 11:23:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 11:23:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 11:23:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 11:23:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2022-12-14 11:23:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2022-12-14 11:23:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2022-12-14 11:23:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2022-12-14 11:23:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 11:23:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-12-14 11:23:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-12-14 11:23:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-14 11:23:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-14 11:23:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:23:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 11:23:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 11:23:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 11:23:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 11:23:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 11:23:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 11:23:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 11:23:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 11:23:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 11:23:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 11:23:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2022-12-14 11:23:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2022-12-14 11:23:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 11:23:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 11:23:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:23:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 11:23:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 11:23:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-12-14 11:23:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-12-14 11:23:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2022-12-14 11:23:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2022-12-14 11:23:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-14 11:23:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-14 11:23:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 11:23:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 11:23:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2022-12-14 11:23:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2022-12-14 11:23:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2022-12-14 11:23:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2022-12-14 11:23:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 11:23:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 11:23:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:23:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2022-12-14 11:23:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2022-12-14 11:23:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2022-12-14 11:23:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2022-12-14 11:23:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 11:23:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 11:23:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:23:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 11:23:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 11:23:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:23:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-14 11:23:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-14 11:23:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-12-14 11:23:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-12-14 11:23:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2022-12-14 11:23:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2022-12-14 11:23:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2022-12-14 11:23:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2022-12-14 11:23:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-14 11:23:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-14 11:23:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-12-14 11:23:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-12-14 11:23:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 11:23:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 11:23:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2022-12-14 11:23:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2022-12-14 11:23:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 11:23:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 11:23:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-12-14 11:23:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-12-14 11:23:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2022-12-14 11:23:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2022-12-14 11:23:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 11:23:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 11:23:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 11:23:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 11:23:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:23:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-12-14 11:23:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-12-14 11:23:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-12-14 11:23:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-12-14 11:23:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:23:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:23:58,426 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:23:58,428 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:23:58,803 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 11:24:00,451 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:24:00,969 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:24:00,970 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 11:24:00,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:24:00 BoogieIcfgContainer [2022-12-14 11:24:00,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:24:00,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:24:00,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:24:00,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:24:00,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:23:55" (1/3) ... [2022-12-14 11:24:00,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39725d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:24:00, skipping insertion in model container [2022-12-14 11:24:00,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:23:57" (2/3) ... [2022-12-14 11:24:00,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39725d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:24:00, skipping insertion in model container [2022-12-14 11:24:00,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:24:00" (3/3) ... [2022-12-14 11:24:00,979 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2022-12-14 11:24:00,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:24:00,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 11:24:01,046 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:24:01,051 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;@bddd02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:24:01,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 11:24:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 1202 states, 700 states have (on average 1.33) internal successors, (931), 727 states have internal predecessors, (931), 421 states have call successors, (421), 80 states have call predecessors, (421), 79 states have return successors, (414), 409 states have call predecessors, (414), 414 states have call successors, (414) [2022-12-14 11:24:01,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-14 11:24:01,083 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:01,083 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:01,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:24:01,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:01,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1601120937, now seen corresponding path program 1 times [2022-12-14 11:24:01,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:01,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847211432] [2022-12-14 11:24:01,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:01,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:01,567 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-12-14 11:24:01,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:01,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847211432] [2022-12-14 11:24:01,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847211432] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:01,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:01,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:24:01,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223504977] [2022-12-14 11:24:01,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:01,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:24:01,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:01,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:24:01,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:24:01,598 INFO L87 Difference]: Start difference. First operand has 1202 states, 700 states have (on average 1.33) internal successors, (931), 727 states have internal predecessors, (931), 421 states have call successors, (421), 80 states have call predecessors, (421), 79 states have return successors, (414), 409 states have call predecessors, (414), 414 states have call successors, (414) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 11:24:02,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:02,790 INFO L93 Difference]: Finished difference Result 3120 states and 4586 transitions. [2022-12-14 11:24:02,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:24:02,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 181 [2022-12-14 11:24:02,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:02,817 INFO L225 Difference]: With dead ends: 3120 [2022-12-14 11:24:02,817 INFO L226 Difference]: Without dead ends: 1915 [2022-12-14 11:24:02,828 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 11:24:02,831 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 1098 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:02,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 3349 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 11:24:02,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2022-12-14 11:24:03,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1910. [2022-12-14 11:24:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1910 states, 1132 states have (on average 1.3171378091872792) internal successors, (1491), 1163 states have internal predecessors, (1491), 640 states have call successors, (640), 138 states have call predecessors, (640), 137 states have return successors, (643), 628 states have call predecessors, (643), 639 states have call successors, (643) [2022-12-14 11:24:03,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 2774 transitions. [2022-12-14 11:24:03,029 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 2774 transitions. Word has length 181 [2022-12-14 11:24:03,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:03,030 INFO L495 AbstractCegarLoop]: Abstraction has 1910 states and 2774 transitions. [2022-12-14 11:24:03,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 11:24:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2774 transitions. [2022-12-14 11:24:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-14 11:24:03,040 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:03,040 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:24:03,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:24:03,041 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:24:03,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:03,042 INFO L85 PathProgramCache]: Analyzing trace with hash 244308276, now seen corresponding path program 1 times [2022-12-14 11:24:03,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:03,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750419903] [2022-12-14 11:24:03,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:03,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-12-14 11:24:03,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:03,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750419903] [2022-12-14 11:24:03,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750419903] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:03,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:03,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:24:03,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408042530] [2022-12-14 11:24:03,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:03,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:24:03,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:03,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:24:03,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:24:03,319 INFO L87 Difference]: Start difference. First operand 1910 states and 2774 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 11:24:04,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:04,480 INFO L93 Difference]: Finished difference Result 5045 states and 7346 transitions. [2022-12-14 11:24:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:24:04,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 192 [2022-12-14 11:24:04,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:04,503 INFO L225 Difference]: With dead ends: 5045 [2022-12-14 11:24:04,503 INFO L226 Difference]: Without dead ends: 3159 [2022-12-14 11:24:04,513 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 11:24:04,514 INFO L413 NwaCegarLoop]: 2422 mSDtfsCounter, 1413 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 3918 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:04,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1413 Valid, 3918 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 11:24:04,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3159 states. [2022-12-14 11:24:04,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3159 to 3156. [2022-12-14 11:24:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 1873 states have (on average 1.3224773091297384) internal successors, (2477), 1927 states have internal predecessors, (2477), 1061 states have call successors, (1061), 222 states have call predecessors, (1061), 221 states have return successors, (1064), 1041 states have call predecessors, (1064), 1060 states have call successors, (1064) [2022-12-14 11:24:04,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4602 transitions. [2022-12-14 11:24:04,709 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4602 transitions. Word has length 192 [2022-12-14 11:24:04,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:04,710 INFO L495 AbstractCegarLoop]: Abstraction has 3156 states and 4602 transitions. [2022-12-14 11:24:04,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 11:24:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4602 transitions. [2022-12-14 11:24:04,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-14 11:24:04,714 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:04,715 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 3, 3, 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] [2022-12-14 11:24:04,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:24:04,715 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:24:04,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:04,715 INFO L85 PathProgramCache]: Analyzing trace with hash 833008140, now seen corresponding path program 1 times [2022-12-14 11:24:04,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:04,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152967838] [2022-12-14 11:24:04,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:04,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:04,886 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-12-14 11:24:04,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:04,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152967838] [2022-12-14 11:24:04,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152967838] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:04,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:04,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:24:04,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416386767] [2022-12-14 11:24:04,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:04,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:24:04,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:04,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:24:04,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:24:04,889 INFO L87 Difference]: Start difference. First operand 3156 states and 4602 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 11:24:05,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:05,825 INFO L93 Difference]: Finished difference Result 6278 states and 9161 transitions. [2022-12-14 11:24:05,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:24:05,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 213 [2022-12-14 11:24:05,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:05,838 INFO L225 Difference]: With dead ends: 6278 [2022-12-14 11:24:05,839 INFO L226 Difference]: Without dead ends: 3156 [2022-12-14 11:24:05,847 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 11:24:05,848 INFO L413 NwaCegarLoop]: 1564 mSDtfsCounter, 1729 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:05,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 1564 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 11:24:05,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3156 states. [2022-12-14 11:24:05,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3156 to 3156. [2022-12-14 11:24:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 1873 states have (on average 1.3214095034703683) internal successors, (2475), 1927 states have internal predecessors, (2475), 1061 states have call successors, (1061), 222 states have call predecessors, (1061), 221 states have return successors, (1064), 1041 states have call predecessors, (1064), 1060 states have call successors, (1064) [2022-12-14 11:24:05,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4600 transitions. [2022-12-14 11:24:05,964 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4600 transitions. Word has length 213 [2022-12-14 11:24:05,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:05,965 INFO L495 AbstractCegarLoop]: Abstraction has 3156 states and 4600 transitions. [2022-12-14 11:24:05,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 11:24:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4600 transitions. [2022-12-14 11:24:05,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-12-14 11:24:05,970 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:05,970 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 3, 3, 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] [2022-12-14 11:24:05,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 11:24:05,970 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:24:05,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:05,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1032570922, now seen corresponding path program 1 times [2022-12-14 11:24:05,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:05,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418540944] [2022-12-14 11:24:05,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:05,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:06,288 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-12-14 11:24:06,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:06,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418540944] [2022-12-14 11:24:06,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418540944] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:06,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:24:06,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:24:06,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721208287] [2022-12-14 11:24:06,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:06,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:24:06,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:06,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:24:06,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:24:06,291 INFO L87 Difference]: Start difference. First operand 3156 states and 4600 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 11:24:07,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:07,723 INFO L93 Difference]: Finished difference Result 7600 states and 11108 transitions. [2022-12-14 11:24:07,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:24:07,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 250 [2022-12-14 11:24:07,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:07,741 INFO L225 Difference]: With dead ends: 7600 [2022-12-14 11:24:07,741 INFO L226 Difference]: Without dead ends: 4478 [2022-12-14 11:24:07,751 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 11:24:07,752 INFO L413 NwaCegarLoop]: 2799 mSDtfsCounter, 1480 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 4258 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:07,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 4258 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:24:07,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4478 states. [2022-12-14 11:24:07,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4478 to 4471. [2022-12-14 11:24:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4471 states, 2674 states have (on average 1.3231114435302918) internal successors, (3538), 2751 states have internal predecessors, (3538), 1486 states have call successors, (1486), 311 states have call predecessors, (1486), 310 states have return successors, (1489), 1459 states have call predecessors, (1489), 1485 states have call successors, (1489) [2022-12-14 11:24:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4471 states to 4471 states and 6513 transitions. [2022-12-14 11:24:07,928 INFO L78 Accepts]: Start accepts. Automaton has 4471 states and 6513 transitions. Word has length 250 [2022-12-14 11:24:07,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:07,928 INFO L495 AbstractCegarLoop]: Abstraction has 4471 states and 6513 transitions. [2022-12-14 11:24:07,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 11:24:07,929 INFO L276 IsEmpty]: Start isEmpty. Operand 4471 states and 6513 transitions. [2022-12-14 11:24:07,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-12-14 11:24:07,936 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:07,936 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 3, 3, 3, 3, 3, 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] [2022-12-14 11:24:07,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 11:24:07,936 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:24:07,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:07,937 INFO L85 PathProgramCache]: Analyzing trace with hash 258894186, now seen corresponding path program 1 times [2022-12-14 11:24:07,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:07,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882488908] [2022-12-14 11:24:07,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:07,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-12-14 11:24:08,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:08,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882488908] [2022-12-14 11:24:08,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882488908] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:24:08,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995883933] [2022-12-14 11:24:08,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:08,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:24:08,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:24:08,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:24:08,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:24:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:09,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 2882 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 11:24:09,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:24:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2022-12-14 11:24:09,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:24:09,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995883933] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:24:09,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 11:24:09,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-12-14 11:24:09,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121969086] [2022-12-14 11:24:09,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:24:09,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:24:09,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:24:09,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:24:09,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:24:09,416 INFO L87 Difference]: Start difference. First operand 4471 states and 6513 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 11:24:10,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:24:10,723 INFO L93 Difference]: Finished difference Result 8964 states and 13110 transitions. [2022-12-14 11:24:10,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:24:10,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 259 [2022-12-14 11:24:10,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:24:10,747 INFO L225 Difference]: With dead ends: 8964 [2022-12-14 11:24:10,747 INFO L226 Difference]: Without dead ends: 4527 [2022-12-14 11:24:10,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:24:10,762 INFO L413 NwaCegarLoop]: 1563 mSDtfsCounter, 10 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3117 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:24:10,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3117 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 11:24:10,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4527 states. [2022-12-14 11:24:10,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4527 to 4479. [2022-12-14 11:24:10,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4479 states, 2682 states have (on average 1.3221476510067114) internal successors, (3546), 2759 states have internal predecessors, (3546), 1486 states have call successors, (1486), 311 states have call predecessors, (1486), 310 states have return successors, (1489), 1459 states have call predecessors, (1489), 1485 states have call successors, (1489) [2022-12-14 11:24:10,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4479 states to 4479 states and 6521 transitions. [2022-12-14 11:24:10,915 INFO L78 Accepts]: Start accepts. Automaton has 4479 states and 6521 transitions. Word has length 259 [2022-12-14 11:24:10,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:24:10,915 INFO L495 AbstractCegarLoop]: Abstraction has 4479 states and 6521 transitions. [2022-12-14 11:24:10,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 11:24:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 4479 states and 6521 transitions. [2022-12-14 11:24:10,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-12-14 11:24:10,924 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:24:10,924 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 3, 3, 3, 3, 3, 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] [2022-12-14 11:24:10,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:24:11,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:24:11,125 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:24:11,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:24:11,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1605441989, now seen corresponding path program 1 times [2022-12-14 11:24:11,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:24:11,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823406044] [2022-12-14 11:24:11,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:11,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:24:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:11,446 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-12-14 11:24:11,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:24:11,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823406044] [2022-12-14 11:24:11,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823406044] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:24:11,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086603427] [2022-12-14 11:24:11,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:24:11,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:24:11,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:24:11,448 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:24:11,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85449795-448d-44ad-9aca-2a3618c92dea/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:24:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:24:12,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 2899 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 11:24:12,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:24:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-12-14 11:24:12,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:24:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-12-14 11:24:12,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086603427] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:24:12,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1158213025] [2022-12-14 11:24:12,324 INFO L159 IcfgInterpreter]: Started Sifa with 136 locations of interest [2022-12-14 11:24:12,324 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:24:12,327 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:24:12,330 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:24:12,331 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:24:13,691 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 9 treesize of output 11 [2022-12-14 11:24:13,830 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 9 treesize of output 11 [2022-12-14 11:24:13,917 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 9 treesize of output 11 [2022-12-14 11:24:14,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:14,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:14,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:14,169 INFO L217 Elim1Store]: Index analysis took 111 ms [2022-12-14 11:24:18,688 INFO L321 Elim1Store]: treesize reduction 2508, result has 21.6 percent of original size [2022-12-14 11:24:18,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 45 select indices, 45 select index equivalence classes, 867 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 167 case distinctions, treesize of input 250 treesize of output 853 [2022-12-14 11:24:19,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:19,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:19,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:19,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 949 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 344 [2022-12-14 11:24:19,630 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 9 treesize of output 11 [2022-12-14 11:24:19,739 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 9 treesize of output 11 [2022-12-14 11:24:19,917 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 9 treesize of output 11 [2022-12-14 11:24:19,988 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 9 treesize of output 11 [2022-12-14 11:24:23,429 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 [2022-12-14 11:24:23,432 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 [2022-12-14 11:24:23,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 treesize of output 6 [2022-12-14 11:24:25,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 76 select indices, 76 select index equivalence classes, 276 disjoint index pairs (out of 2850 index pairs), introduced 76 new quantified variables, introduced 0 case distinctions, treesize of input 615 treesize of output 229 [2022-12-14 11:24:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:25,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 45 select indices, 45 select index equivalence classes, 990 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 136 [2022-12-14 11:24:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:26,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 44 select indices, 44 select index equivalence classes, 949 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 133 [2022-12-14 11:24:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:31,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:31,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:31,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 45 select indices, 45 select index equivalence classes, 990 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 136 [2022-12-14 11:24:31,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:31,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:31,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:31,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 44 select indices, 44 select index equivalence classes, 949 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 133 [2022-12-14 11:24:32,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:24:32,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 76 select indices, 76 select index equivalence classes, 276 disjoint index pairs (out of 2850 index pairs), introduced 76 new quantified variables, introduced 0 case distinctions, treesize of input 615 treesize of output 229 [2022-12-14 11:24:37,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:24:37,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:24:37,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:24:40,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:24:40,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:24:40,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:24:46,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:24:46,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:24:46,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:24:49,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:24:49,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:24:49,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:24:55,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:24:55,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:24:55,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:24:58,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:24:58,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:24:59,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:25:38,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:25:38,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:25:39,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:25:39,873 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:25:39,877 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:25:39,910 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:26:09,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:26:09,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:26:10,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:26:11,147 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:26:11,157 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:26:11,165 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:27:24,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:27:24,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:27:24,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:27:25,855 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:27:25,873 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:27:25,876 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:28:34,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:28:34,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:28:34,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:28:36,405 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:28:36,411 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:28:36,421 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:30:19,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:30:19,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:30:19,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:30:20,542 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:30:20,545 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:30:20,559 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:31:45,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:31:45,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-12-14 11:31:45,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 6 treesize of output 4 [2022-12-14 11:31:46,853 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:31:46,865 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:31:46,872 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 11:37:08,891 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1278 for LOIs [2022-12-14 11:37:13,211 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 146 for LOIs [2022-12-14 11:37:13,242 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 [2022-12-14 11:37:13,262 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 [2022-12-14 11:37:13,802 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 167 for LOIs [2022-12-14 11:37:13,818 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 172 for LOIs [2022-12-14 11:37:13,868 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:37:45,578 WARN L233 SmtUtils]: Spent 31.54s on a formula simplification. DAG size of input: 1759 DAG size of output: 1519 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:38:11,096 WARN L233 SmtUtils]: Spent 21.12s on a formula simplification. DAG size of input: 1376 DAG size of output: 1365 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)